Why are stainless steel guide shafts rusting?

Guide shafts are made of SUS440C, which are quenched for better abrasion resistance, but the material itself is weak to corrosion. Therefore, please select hard chrome plated products for applications with higher anti-rust requirements.

Why is the hardness measured on the end face center is rather low in contrast with high hardness indicated for guide shaft products in the catalog?

As the guide shaft is high-frequency quenched, a hardening layer of certain depth will form on the outer circle of the guide shaft. To ensure toughness, the material will retain original hardness at the center of the guide shaft.

What are the advantages of combining guide shaft with linear bushing?

Due to rolling friction fit with the linear bushing, the guide shaft can achieve high-accuracy linear motion, causing less friction resistance to the workpiece, thus suitable for extended continuous operation.

How to select models of shaft products requiring a length of 100.5mm?

The total length can be customized in 0.1mm increments with LKC alteration.

Why is the end face of hard chrome plated guide shaft rusting?

The guide shaft is cut after surface treatment during material preparation. Thereafter, no surface treatment will be performed, so the cut surface is not hard-chrome plated, thus causing the end face to rust.

When combined with linear bushing, some guide shafts fit closely, while others fit with clearance. Does it affect usage?

The guide shaft and linear bushing fit with each other by point-contact rolling through the steel ball circulating structure. Due to the point-contact and non-interference fit, some clearance between the shaft and the bushing is normal, which will not affect usage. The use of this structure greatly reduces frictional resistance and improves service life of the workpiece.

Is the stainless steel material of MISUMI guide shafts imported?

Both the bearing steel (SUJ2) and stainless steel (SUS440C) of MISUMI guide shafts are materials imported from Japan.

I hope to know about the detection method and specification accuracy of the straightness of guide shafts.

Support both ends of the guide shaft with V-shaped blocks, rotate the shaft for 1 turn at any point, and measure the amplitude of the dial meter. 1/2 of the amplitude measurement value is the straightness. Straightness varies with outer diameter and length.

How much is the perpendicularity accuracy of guide shaft?

The perpendicularity of guide shaft is 0.2 for standard type and 0.03 for precision type.

Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

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Part Number Complete

E-PSFGW6-[20-600/1]-M3-N3

Material Heat Treatment Surface Treatment Shaft Dia. D Length L Shaft Fit Tolerance Tapped M (Coarse Thread) Tapped N (Coarse Thread) ND Changes tapped thread to fine one [MSC] Changes tapped thread to fine one [NSC] MD Tapped N (Coarse thread) Tapped M (Coarse Thread) type CAD Days to Ship

Specification/Dimensions

Material
- Steel
  - S45C or GCr15
  - General structural steel or carbon steel
- Stainless Steel
  - Martensite stainless steel
Clear
Heat Treatment
- Not Provided
- Induction Hardened
Clear
Surface Treatment
- Not Provided
- Hard Chrome Plating
Clear
Shaft Dia. D(Ø)
4

5

6

8

10

12

13

15

16

20

25

30

35

40

50
Clear
Length L(mm)
[20-4000/1mm Unit(s)]
Clear
Shaft Fit Tolerance
f8

g7
Clear
Tapped M (Coarse Thread)(mm)
2

2.6

3

4

5

6

8

10

12

16

20

24

30
Clear
Tapped N (Coarse Thread)(mm)
2

2.6

3
Clear
ND
6

8

10

12

16

20
Clear
Changes tapped thread to fine one [MSC](mm)
8

10

12

14

18
Clear
Changes tapped thread to fine one [NSC](mm)
8

10

12

14

18
Clear
MD
6

8

10

12

16

20
Clear
Tapped N (Coarse thread)(mm)
3

4

5

6

8

10

12

16

20

24

30
Clear
Tapped M (Coarse Thread)
3

4

5

6
Clear
type
- E-PSFGW
- E-PSFJW
- E-PSSFJW
- E-SFJW
- E-SSFJW
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

2 Day(s) or Less

7 Day(s) or Less

9 Day(s) or Less
Clear

Specify Alterations

Linear Shafts Both Ends Tapped

Volume Discount

Check FAQ of this product (9 items)

Brand :

MiSUMi Economy

Part Number :

E-PSFGW6-[20-600/1]-M3-N3

E-PSFGW8-[20-800/1]-M[3,4,5]-N[3,4,5]

E-PSFGW10-[20-800/1]-M[3,4,5,6]-N[3,4,5,6]

E-PSFGW10-[20-800/1]-M[3,4,5,6]-ND6

E-PSFGW10-[20-800/1]-MD6-N[3,4,5,6]

E-PSFGW10-[20-800/1]-MD6-ND6

E-PSFGW12-[20-1000/1]-M[4,5,6,8]-N[4,5,6,8]

E-PSFGW12-[20-1000/1]-M[4,5,6,8]-ND[6,8]

E-PSFGW12-[20-1000/1]-M[4,5,6,8]-NSC8

E-PSFGW12-[20-1000/1]-MD[6,8]-N[4,5,6,8]

E-PSFGW12-[20-1000/1]-MD[6,8]-ND[6,8]

E-PSFGW12-[20-1000/1]-MD[6,8]-NSC8

E-PSFGW12-[20-1000/1]-MSC8-N[4,5,6,8]

E-PSFGW12-[20-1000/1]-MSC8-ND[6,8]

E-PSFGW12-[20-1000/1]-MSC8-NSC8

E-PSFGW13-[25-1000/1]-M[4,5,6,8]-N[4,5,6,8]

E-PSFGW13-[25-1000/1]-M[4,5,6,8]-ND[6,8]

E-PSFGW13-[25-1000/1]-M[4,5,6,8]-NSC8

E-PSFGW13-[25-1000/1]-MD[6,8]-N[4,5,6,8]

E-PSFGW13-[25-1000/1]-MD[6,8]-ND[6,8]

E-PSFGW6-[20-600/1]-M3-N3

Order Qty :
Price :

---
Total Price :

---
Days to ship :

---

Select part number to Order Now/ Add to Cart

CAD Download

Product Overview

Linear guide shaft is a high precision shaft product, which can be used in combination with linear bushing and other bushing products. In addition to excellent abrasion resistance, it offers a variety of alterations.

Dimensional Drawing

Specifications Overview

Type		Material	Hardness	Surface Treatment
Standard
D Tolerance g7	D Tolerance f8
E-SFJW	-	S45C or GCr15	High Frequency Quenched For effective hardening layer depth>>Refer to (PDF) S45C or GCr15 55HRC～ SUS440C or high hardness corrosion resistant steel 53HRC~	-
E-SSFJW	-	SUS440C or High hardness corrosion resistant steel		-
E-PSFJW	-	S45C or GCr15		Hard Chrome Plated Plating hardness: HV750～ Plating thickness: 3μ or more
E-PSSFJW	-	SUS440C or High hardness corrosion resistant steel
-	E-PSFGW	S45C	-	Hard Chrome Plated Plating hardness: HV750～ Plating thickness: 10μ or more

Total length L requires M×2＋N×2≤L. When M×2.5＋4＋N×2.5＋4≥L, tap pilot holes may go through.

The hardness of shaft end machined part (effective thread length + approx. 10mm) may be reduced due to the annealing effect of machining.

If there are requirements for rust prevention, please give priority to the hard-chrome plated products. For anti-rust method, click

If there are requirements for abrasion resistance, please select high-frequency quenched products.

Specification Table

Part Number		L 1mm increments	M (Coarse Thread) N (Coarse Thread) Selection
Type	D	Standard	M (Coarse Thread) N (Coarse Thread) Selection
Standard Type (D Tolerance g7) E-SFJW E-SSFJW E-PSFJW E-PSSFJW (D Tolerance f8) E-PSFGW	4	20~300	2
	5	20~400		2.6	3
	6	20~800			3
	8	20~1000			3	4	5
	10	20～ 1000			3	4	5	6
	12	20~1200				4	5	6	8
	13	25~1200				4	5	6	8
	15	25~1200				4	5	6	8	10
	16	30~1200				4	5	6	8	10
	20	30~1200				4	5	6	8	10	12
	25	35~1200				4	5	6	8	10	12	16
	30	35~1500						6	8	10	12	16	20
	35	35~1500							8	10	12	16	20	24
	40	50~1500								10	12	16	20	24	30
	50	65~1500									12	16	20	24	30

Total length L requires M×2＋N×2≤L. When M×2.5＋4＋N×2.5＋4≥L, tap pilot holes may go through.

The hardness of shaft end machined part (effective thread length + approx. 10mm) may be reduced due to the annealing effect of machining.

If there are requirements for rust prevention, please give priority to the hard-chrome plated products. For anti-rust method, click

If there are requirements for abrasion resistance, please select high-frequency quenched products.

Alterations

Guide Shaft Bushing Unit Mechanism Full Range of Selections

For alterations with overview, please refer to the Alteration Overview for details. Click

When multiple alteration is selected, the machining parts need to be spaced by more than 2mm. Click

Alteration may reduce hardness, refer to

Precision Standard

■D Tolerance

D Tolerance
D	g7	f8
4	-0.004 -0.016	-
5
6		-0.010 -0.028
8	-0.005 -0.020	-0.013 -0.035
10
12	-0.006 -0.024	-0.016 -0.043
13
15
16
20	-0.007 -0.028	-0.020 -0.053
25
30
35	-0.009 -0.034	-0.025 -0.064
40
50

■L dimension (Y dimension) tolerance

Dimension (more than)	Dimension (to)	Shaft Tolerance g7
2	6	±0.1
6	30	±0.2
30	120	±0.3
120	400	±0.5
400	1000	±0.8
1000	1500	±1.2

Product Features

Feature 1: Extensively applied in various precision equipment thanks to high precision dimensional tolerance.
Feature 2: Bearing steel (S45C or GCr15) with excellent wear resistance and SUS440C or equivalent high hardness corrosion resistant steel are used for high frequency quenching, maintaining the original toughness while enhancing abrasion resistance.
Feature 3: A variety of alterations are available to accommodate different environments.
Feature 4: Usually combined with linear bushing products, achieving excellent linear guiding functionality, and less abrasion even if subject to high-speed reciprocal motion, as compared with general shaft and bushing structure.
Feature 5: The surface treatment of hard-chrome plating is available, achieving excellent anti-rust performance and HV750 plating hardness, as well as less abrasion when used in combination with high-hardness workpieces.

Precautions

②Reduced hardness of machined parts
Machining is performed after quenching of base metal. The parts that may be reduced in hardness due to annealing are:
-All threaded
-All stepped
-Tapped: when M≥D/2, tapped double-hole type, hard chrome plated products made of SUS440C or high hardness corrosion resistant steel
-Adds wrench flats (SC-WSC-SX)
-Adds screw flats (FC-WFC)
-Adds V-grooves (VC-WVC)
-Except for full length hardened type.

Only the shaded portion of D part is hard chrome plated.
Guide Shafts One End Tapped With Wrench Flats With Through Hole Bushing MISUMI Quality Stainless Steel Material Imported from Japan

Guide Shafts One End Tapped With Wrench Flats With Through Hole Bushing MISUMI Quality Stainless Steel Material Imported from Japan

③Plating of surface treatment
Machining is performed after surface treatment of base metal. No electroplating treatment is applied to the following parts:
-Groove part
-Threaded part
-Tapped part
-Wrench slot, V-groove, plane, cut section
-The inside of the tube-type guide shaft may rust without hard chrome plating.

Example of Use

Standard Linear Motion Mechanism
Example Diagram

MISUMI Guide Shafts Full Range of Selections

Functions of standard linear motion mechanism
①Side-by-side use of two guide shafts effectively prevents workpiece rotation
②Improved accuracy of linear motion and load capacity.
③The combination of guide shaft and linear bushing enables high-speed reciprocal motion.
④Low operational resistance, reducing the loss of workpiece.

Product Picture

Direct-from-Manufacturer MISUMI Guide Shafts Larger Image

Functions of key workpieces in the mechanism

Guide Shaft: Supporting the workpiece, combining with linear bushing to achieve guiding functionality.	For details, click here
Linear bushing: Driving the workpiece to move on the guide shaft through the steel ball circulating structure.	For details, click here
Guide shaft support: Supporting and fixing the guide shaft for effective adjustment of shaft pitch and improved equipment stability.	For details, click here
Stopper: Performing limit action for adjustment of effective stroke of mechanism	For details, click here

Application Industries

Medical	Semiconductor	Electronic & Electrical

Smart Phones	Food	Automotive

Part Number

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Please use left hand selections to complete a part number.

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Part Number
E-PSFGW6-[20-600/1]-M3-N3
E-PSFGW8-[20-800/1]-M[3,4,5]-N[3,4,5]
E-PSFGW10-[20-800/1]-M[3,4,5,6]-N[3,4,5,6]
E-PSFGW10-[20-800/1]-M[3,4,5,6]-ND6
E-PSFGW10-[20-800/1]-MD6-N[3,4,5,6]
E-PSFGW10-[20-800/1]-MD6-ND6
E-PSFGW12-[20-1000/1]-M[4,5,6,8]-N[4,5,6,8]
E-PSFGW12-[20-1000/1]-M[4,5,6,8]-ND[6,8]
E-PSFGW12-[20-1000/1]-M[4,5,6,8]-NSC8
E-PSFGW12-[20-1000/1]-MD[6,8]-N[4,5,6,8]
E-PSFGW12-[20-1000/1]-MD[6,8]-ND[6,8]
E-PSFGW12-[20-1000/1]-MD[6,8]-NSC8
E-PSFGW12-[20-1000/1]-MSC8-N[4,5,6,8]
E-PSFGW12-[20-1000/1]-MSC8-ND[6,8]
E-PSFGW12-[20-1000/1]-MSC8-NSC8
E-PSFGW13-[25-1000/1]-M[4,5,6,8]-N[4,5,6,8]
E-PSFGW13-[25-1000/1]-M[4,5,6,8]-ND[6,8]
E-PSFGW13-[25-1000/1]-M[4,5,6,8]-NSC8
E-PSFGW13-[25-1000/1]-MD[6,8]-N[4,5,6,8]
E-PSFGW13-[25-1000/1]-MD[6,8]-ND[6,8]
E-PSFGW13-[25-1000/1]-MD[6,8]-NSC8
E-PSFGW13-[25-1000/1]-MSC8-N[4,5,6,8]
E-PSFGW13-[25-1000/1]-MSC8-ND[6,8]
E-PSFGW13-[25-1000/1]-MSC8-NSC8
E-PSFGW15-[25-1200/1]-M[4,5,6,8,10]-N[4,5,6,8,10]
E-PSFGW15-[25-1200/1]-M[4,5,6,8,10]-ND[6,8,10]
E-PSFGW15-[25-1200/1]-M[4,5,6,8,10]-NSC[8,10]
E-PSFGW15-[25-1200/1]-MD[6,8,10]-N[4,5,6,8,10]
E-PSFGW15-[25-1200/1]-MD[6,8,10]-ND[6,8,10]
E-PSFGW15-[25-1200/1]-MD[6,8,10]-NSC[8,10]
E-PSFGW15-[25-1200/1]-MSC[8,10]-N[4,5,6,8,10]
E-PSFGW15-[25-1200/1]-MSC[8,10]-ND[6,8,10]
E-PSFGW15-[25-1200/1]-MSC[8,10]-NSC[8,10]
E-PSFGW16-[30-1200/1]-M[4,5,6,8,10]-N[4,5,6,8,10]
E-PSFGW16-[30-1200/1]-M[4,5,6,8,10]-ND[6,8,10]
E-PSFGW16-[30-1200/1]-M[4,5,6,8,10]-NSC[8,10]
E-PSFGW16-[30-1200/1]-MD[6,8,10]-N[4,5,6,8,10]
E-PSFGW16-[30-1200/1]-MD[6,8,10]-ND[6,8,10]
E-PSFGW16-[30-1200/1]-MD[6,8,10]-NSC[8,10]
E-PSFGW16-[30-1200/1]-MSC[8,10]-N[4,5,6,8,10]
E-PSFGW16-[30-1200/1]-MSC[8,10]-ND[6,8,10]
E-PSFGW16-[30-1200/1]-MSC[8,10]-NSC[8,10]
E-PSFGW20-[30-1200/1]-M[4,5,6,8,10,12]-N[4,5,6,8,10,12]
E-PSFGW20-[30-1200/1]-M[4,5,6,8,10,12]-ND[6,8,10,12]
E-PSFGW20-[30-1200/1]-M[4,5,6,8,10,12]-NSC[8,10,12,14]
E-PSFGW20-[30-1200/1]-MD[6,8,10,12]-N[4,5,6,8,10,12]
E-PSFGW20-[30-1200/1]-MD[6,8,10,12]-ND[6,8,10,12]
E-PSFGW20-[30-1200/1]-MD[6,8,10,12]-NSC[8,10,12,14]
E-PSFGW20-[30-1200/1]-MSC[8,10,12,14]-N[4,5,6,8,10,12]
E-PSFGW20-[30-1200/1]-MSC[8,10,12,14]-ND[6,8,10,12]
E-PSFGW20-[30-1200/1]-MSC[8,10,12,14]-NSC[8,10,12,14]
E-PSFGW25-[35-1200/1]-M[4,5,6,8,10,12,16]-N[4,5,6,8,10,12,16]
E-PSFGW25-[35-1200/1]-M[4,5,6,8,10,12,16]-ND[6,8,10,12,16]
E-PSFGW25-[35-1200/1]-M[4,5,6,8,10,12,16]-NSC[8,10,12,14,18]
E-PSFGW25-[35-1200/1]-MD[6,8,10,12,16]-N[4,5,6,8,10,12,16]
E-PSFGW25-[35-1200/1]-MD[6,8,10,12,16]-ND[6,8,10,12,16]
E-PSFGW25-[35-1200/1]-MD[6,8,10,12,16]-NSC[8,10,12,14,18]
E-PSFGW25-[35-1200/1]-MSC[8,10,12,14,18]-N[4,5,6,8,10,12,16]
E-PSFGW25-[35-1200/1]-MSC[8,10,12,14,18]-ND[6,8,10,12,16]
E-PSFGW25-[35-1200/1]-MSC[8,10,12,14,18]-NSC[8,10,12,14,18]

Price	Minimum Order Qty.	Days to Ship	RoHS	Material	Heat Treatment	Surface Treatment	Shaft Dia. D (Ø)	Length L (mm)	Shaft Fit Tolerance	Tapped M (Coarse Thread) (mm)	Tapped N (Coarse Thread) (mm)	ND	Changes tapped thread to fine one [MSC] (mm)	Changes tapped thread to fine one [NSC] (mm)	MD	Tapped N (Coarse thread) (mm)	Tapped M (Coarse Thread)
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	6	20 ～ 600	f8	-	-	-	-	-	-	3	3
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	8	20 ～ 800	f8	-	-	-	-	-	-	3 ～ 5	3 ～ 5
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	10	20 ～ 800	f8	-	-	-	-	-	-	3 ～ 6	3 ～ 6
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	10	20 ～ 800	f8	-	-	6	-	-	-	-	3 ～ 6
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	10	20 ～ 800	f8	-	-	-	-	-	6	3 ～ 6	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	10	20 ～ 800	f8	-	-	6	-	-	6	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	12	20 ～ 1000	f8	4 ～ 8	-	-	-	-	-	4 ～ 8	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	12	20 ～ 1000	f8	4 ～ 8	-	6 ～ 8	-	-	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	12	20 ～ 1000	f8	4 ～ 8	-	-	-	8	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	12	20 ～ 1000	f8	-	-	-	-	-	6 ～ 8	4 ～ 8	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	12	20 ～ 1000	f8	-	-	6 ～ 8	-	-	6 ～ 8	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	12	20 ～ 1000	f8	-	-	-	-	8	6 ～ 8	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	12	20 ～ 1000	f8	-	-	-	8	-	-	4 ～ 8	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	12	20 ～ 1000	f8	-	-	6 ～ 8	8	-	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	12	20 ～ 1000	f8	-	-	-	8	8	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	13	25 ～ 1000	f8	4 ～ 8	-	-	-	-	-	4 ～ 8	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	13	25 ～ 1000	f8	4 ～ 8	-	6 ～ 8	-	-	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	13	25 ～ 1000	f8	4 ～ 8	-	-	-	8	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	13	25 ～ 1000	f8	-	-	-	-	-	6 ～ 8	4 ～ 8	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	13	25 ～ 1000	f8	-	-	6 ～ 8	-	-	6 ～ 8	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	13	25 ～ 1000	f8	-	-	-	-	8	6 ～ 8	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	13	25 ～ 1000	f8	-	-	-	8	-	-	4 ～ 8	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	13	25 ～ 1000	f8	-	-	6 ～ 8	8	-	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	13	25 ～ 1000	f8	-	-	-	8	8	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	15	25 ～ 1200	f8	4 ～ 10	-	-	-	-	-	4 ～ 10	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	15	25 ～ 1200	f8	4 ～ 10	-	6 ～ 10	-	-	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	15	25 ～ 1200	f8	4 ～ 10	-	-	-	8 ～ 10	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	15	25 ～ 1200	f8	-	-	-	-	-	6 ～ 10	4 ～ 10	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	15	25 ～ 1200	f8	-	-	6 ～ 10	-	-	6 ～ 10	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	15	25 ～ 1200	f8	-	-	-	-	8 ～ 10	6 ～ 10	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	15	25 ～ 1200	f8	-	-	-	8 ～ 10	-	-	4 ～ 10	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	15	25 ～ 1200	f8	-	-	6 ～ 10	8 ～ 10	-	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	15	25 ～ 1200	f8	-	-	-	8 ～ 10	8 ～ 10	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	16	30 ～ 1200	f8	4 ～ 10	-	-	-	-	-	4 ～ 10	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	16	30 ～ 1200	f8	4 ～ 10	-	6 ～ 10	-	-	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	16	30 ～ 1200	f8	4 ～ 10	-	-	-	8 ～ 10	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	16	30 ～ 1200	f8	-	-	-	-	-	6 ～ 10	4 ～ 10	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	16	30 ～ 1200	f8	-	-	6 ～ 10	-	-	6 ～ 10	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	16	30 ～ 1200	f8	-	-	-	-	8 ～ 10	6 ～ 10	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	16	30 ～ 1200	f8	-	-	-	8 ～ 10	-	-	4 ～ 10	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	16	30 ～ 1200	f8	-	-	6 ～ 10	8 ～ 10	-	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	16	30 ～ 1200	f8	-	-	-	8 ～ 10	8 ～ 10	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	20	30 ～ 1200	f8	4 ～ 12	-	-	-	-	-	4 ～ 12	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	20	30 ～ 1200	f8	4 ～ 12	-	6 ～ 12	-	-	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	20	30 ～ 1200	f8	4 ～ 12	-	-	-	8 ～ 14	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	20	30 ～ 1200	f8	-	-	-	-	-	6 ～ 12	4 ～ 12	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	20	30 ～ 1200	f8	-	-	6 ～ 12	-	-	6 ～ 12	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	20	30 ～ 1200	f8	-	-	-	-	8 ～ 14	6 ～ 12	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	20	30 ～ 1200	f8	-	-	-	8 ～ 14	-	-	4 ～ 12	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	20	30 ～ 1200	f8	-	-	6 ～ 12	8 ～ 14	-	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	20	30 ～ 1200	f8	-	-	-	8 ～ 14	8 ～ 14	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	25	35 ～ 1200	f8	4 ～ 16	-	-	-	-	-	4 ～ 16	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	25	35 ～ 1200	f8	4 ～ 16	-	6 ～ 16	-	-	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	25	35 ～ 1200	f8	4 ～ 16	-	-	-	8 ～ 18	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	25	35 ～ 1200	f8	-	-	-	-	-	6 ～ 16	4 ～ 16	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	25	35 ～ 1200	f8	-	-	6 ～ 16	-	-	6 ～ 16	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	25	35 ～ 1200	f8	-	-	-	-	8 ～ 18	6 ～ 16	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	25	35 ～ 1200	f8	-	-	-	8 ～ 18	-	-	4 ～ 16	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	25	35 ～ 1200	f8	-	-	6 ～ 16	8 ～ 18	-	-	-	-
-	1 Piece(s)	9 Day(s)	10	[Steel] General structural steel or carbon steel	Not Provided	Hard Chrome Plating	25	35 ～ 1200	f8	-	-	-	8 ～ 18	8 ～ 18	-	-	-

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Basic Information

Basic Shape	Solid	End Shape (Left)	Tapped	End Shape (Right)	Tapped
Shaft End Perpendicularity	Perpendicularity (0.2)	Precision	Standard

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Frequently asked question (FAQ)

Question: Why are stainless steel guide shafts rusting?: Answer: Guide shafts are made of SUS440C, which are quenched for better abrasion resistance, but the material itself is weak to corrosion. Therefore, please select hard chrome plated products for applications with higher anti-rust requirements.
Question: Why is the hardness measured on the end face center is rather low in contrast with high hardness indicated for guide shaft products in the catalog?: Answer: As the guide shaft is high-frequency quenched, a hardening layer of certain depth will form on the outer circle of the guide shaft. To ensure toughness, the material will retain original hardness at the center of the guide shaft.
Question: What are the advantages of combining guide shaft with linear bushing?: Answer: Due to rolling friction fit with the linear bushing, the guide shaft can achieve high-accuracy linear motion, causing less friction resistance to the workpiece, thus suitable for extended continuous operation.
Question: How to select models of shaft products requiring a length of 100.5mm?: Answer: The total length can be customized in 0.1mm increments with LKC alteration.
Question: Why is the end face of hard chrome plated guide shaft rusting?: Answer: The guide shaft is cut after surface treatment during material preparation. Thereafter, no surface treatment will be performed, so the cut surface is not hard-chrome plated, thus causing the end face to rust.
Question: When combined with linear bushing, some guide shafts fit closely, while others fit with clearance. Does it affect usage?: Answer: The guide shaft and linear bushing fit with each other by point-contact rolling through the steel ball circulating structure. Due to the point-contact and non-interference fit, some clearance between the shaft and the bushing is normal, which will not affect usage. The use of this structure greatly reduces frictional resistance and improves service life of the workpiece.
Question: Is the stainless steel material of MISUMI guide shafts imported?: Answer: Both the bearing steel (SUJ2) and stainless steel (SUS440C) of MISUMI guide shafts are materials imported from Japan.
Question: I hope to know about the detection method and specification accuracy of the straightness of guide shafts.: Answer: Support both ends of the guide shaft with V-shaped blocks, rotate the shaft for 1 turn at any point, and measure the amplitude of the dial meter. 1/2 of the amplitude measurement value is the straightness. Straightness varies with outer diameter and length.
Question: How much is the perpendicularity accuracy of guide shaft?: Answer: The perpendicularity of guide shaft is 0.2 for standard type and 0.03 for precision type.

Check other FAQ (6 items) Hide

Linear Bushing Standard Type Straight Type	Shaft support Bracket type	Shaft Collars (Clamp)

Representative model: LMU8	Representative model: STHRB8	Representative model: SCS8-10

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