Can the knob plunger withstand radial force?

The knob plunger is not recommended to bear radial cutting force, as it is prone to product damage and fracture, and generally, it can only bear axial force.

What role does a ball plunger play?

It is a mechanical element part that can easily and quickly locate and fix the workpiece by operating the knob or the handle to pull out or insert the pin. Early knob plungers were mainly used for parts used in the angular positioning of indexing devices. In recent years, knob plunger has been more widely used, and become an indispensable mechanical element part of equipment and devices.

What are the characteristics of fine thread type compared to coarse thread type?

Fine thread type is suitable for fine-tuning the ejection amount of the pin. More precise positioning is more possible compared to coarse thread type.

What is the difference between reset type and self-locking type knob plungers?

The self-locking type can lock the front end by turning 90° after pulling out the knob while keeping the pulled state and turning 90° to release the lock.

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

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C-PMXA6M

Screw Dia. M Tip Outer Dia. B Stroke (S) Locking Mechanism Length L Accessories type CAD Days to Ship

Specification/Dimensions

Screw Dia. M(mm)
6

8

10

12
Clear
Tip Outer Dia. B(Ø)
4

5

6

8
Clear
Stroke (S)(mm)
4

5

6

8
Clear
Locking Mechanism
- Nose Lock
  - Self-locking Type
- Returning
  - Reset Type
Clear
Length L(mm)
30.5

33

40

43.5

49

52

59

63.5
Clear
Accessories
- No Locknut
- With Locknut
Clear
type
- C-PMXA
- C-PMXK
- C-PMXYA
- C-PMXYK
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day
Clear

Specify Alterations

Knob Plunger Standard Type Coarse Thread

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Volume Discount

Check FAQ of this product (4 items)

Brand :

MiSUMi Economy

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Total Price :

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Product Overview

♢ Knob plunger is also known as indexing pin or indexing plunger. The pin can be pulled out or inserted by the operation knob for easy and fast positioning and for fixing mechanical elements of the workpiece.
Suitable for fixture indexing, positioning, stop limit and other occasions.

Product Feature

♢ This series is standard knob plungers with coarse threads and the cone head available for the pin front. Depending on the installation, the plunger with lock nut can be selected.
♢ The operation method is generally divided into two types: reset and self-locking type.

Dimensional Drawing

Specifications Overview

Thread	Type		Knob	Body		Pin	Spring	(Lock nut)
	Reset type	Self-locking type	Material	Material	Surface Treatment	Material	Material	Material	Surface Treatment
Coarse	C-PMXA	C-PMXYA	A6061 (Black Anodized)	1215	Blue Zinc Plating	SUS304	SUS304	-	-
	C-PMXK	C-PMXYK						35#	Blue Zinc Plating

Usage Method

How to operate the reset type and self-locking type
• Reset type
1. The front end is usually protruding.
2. The front end retracts when the knob is pulled out.
3. If the knob is released, the front end will return to the protruding state through the action of the built-in spring force.

• Self-locking type
1. The front end is usually protruding.
2. The front end retracts when the knob is pulled out.
3. If the front end is rotated by 90° while maintaining the pull-out state, the retraction state of the front end can be locked.
4. To release the locked state, simply rotate 90° while maintaining the pulled-out state.
5. If the knob is released, the front end will return to the protruding state through the action of the built-in spring force.

Example of Use


Used for indexing of the index plate		Used for positioning of movable fixture

Specification Table

Part Number			Thread Pitch (Fine)	D	D₁	B	S	L		L₁	L₂	L₃	L₄	L₅	SW₁	SW₂	Load (N)
Type		M	Thread Pitch (Fine)	D	D₁	B	S	Reset type	Self-locking type	L₁	L₂	L₃	L₄	L₅	SW₁	SW₂	min.	max.
		6M	1	12	6.9	4	4	30.5	33	12	4.5	10	3.2	7	6	10	4.3	9.5
Reset type	Self-locking type	8M	1.25	16	9.2	5	5	40	43.5	16	6	14	4	9.5	8	13	4.3	12
C-PMXA	C-PMXYA	10M	1.5	18	11.5	6	6	49	52	20	7.5	18	5	10.5	10	16	4.3	18
C-PMXK	C-PMXYK	12M	1.75	21	13.8	8	8	59	63.5	24	9	22	6	13.5	12	18	4.3	20.5
kgf=N×0.101972

Part Number

Incomplete part number.
Please use left hand selections to complete a part number.

: 30; 45; 60

Part Number
C-PMXA6M
C-PMXA8M
C-PMXA10M
C-PMXA12M

Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Screw Dia. M (mm)	Tip Outer Dia. B (Ø)	Stroke (S) (mm)	Locking Mechanism	Length L (mm)	Accessories
₹ 368.00	5 Piece(s)	Available	Same day	10	6	4	4	[Returning] Reset Type	30.5	No Locknut
₹ 412.00	5 Piece(s)	Available	Same day	10	8	5	5	[Returning] Reset Type	40	No Locknut
₹ 552.00	5 Piece(s)	Available	Same day	10	10	6	6	[Returning] Reset Type	49	No Locknut
₹ 533.00	5 Piece(s)	Available	Same day	10	12	8	8	[Returning] Reset Type	59	No Locknut

Basic Information

Type	Standard Type	Mounting Method	Screw-In	Body Material	Steel
Overall Length	Standard	Pin Material	Stainless Steel	All Stainless	Not Compliant
Pin Surface Treatment	Not Provided	Knob	Provided	Main Body Surface Treatment	Zinc Plating

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

Frequently asked question (FAQ)

Question: Can the knob plunger withstand radial force?: Answer: The knob plunger is not recommended to bear radial cutting force, as it is prone to product damage and fracture, and generally, it can only bear axial force.
Question: What role does a ball plunger play?: Answer: It is a mechanical element part that can easily and quickly locate and fix the workpiece by operating the knob or the handle to pull out or insert the pin.
Early knob plungers were mainly used for parts used in the angular positioning of indexing devices.
In recent years, knob plunger has been more widely used, and become an indispensable mechanical element part of equipment and devices.
Question: What are the characteristics of fine thread type compared to coarse thread type?: Answer: Fine thread type is suitable for fine-tuning the ejection amount of the pin. More precise positioning is more possible compared to coarse thread type.
Question: What is the difference between reset type and self-locking type knob plungers?: Answer: The self-locking type can lock the front end by turning 90° after pulling out the knob while keeping the pulled state and turning 90° to release the lock.

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