What does 'Class 2' mean for these flange bolts?

'Class 2' has tapered top flange, while 'Class 1' has flat top flange. Most flange bolts used today are 'Class 2.'

Do these bolts require a washer?

No, the flange acts like a washer, and increases the contact area with the mating material, increasing friction and preventing loosening.

What torque should be applied to these flange bolts?

Torque values depend on thread size, material, and coating. A general torque chart for metric coarse threads should be consulted for precise values.

Why do some coatings appear green or black instead of silver?

Different chemical treatments, like green chromate or black chrome plating, alter the bolt’s appearance while adding specific properties like enhanced oxidation resistance or better aesthetics.

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

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Part Number Complete

HXNF2-STD-M6-12

Nominal of Thread (M) Length L (mm) Pitch Material Sales Unit type Surface Treatment CAD Days to Ship

Specification/Dimensions

Nominal of Thread (M)
4

5

6

8

10

12

16
Clear
Length L (mm)
6

8

10

12

14

15

16

18

20

22

25

30

35

40

45

50

55

60

65

70

75

80

90

95

100
Clear
Pitch(mm)
0.7

0.8

1

1.25

1.5

1.75

2
Clear
Material
- Steel
  - SWCH Equivalent
  - Steel
- Stainless Steel
  - Equivalent to SUS304
  - Stainless Steel
Clear
Sales Unit
Low Quantity (can be purchased from one)

Box/package
Clear
type
- HXNF2
- HXNF2-ST
- HXNF2-SUS
Clear
Surface Treatment
- Not Provided
  - Fabric
  - No
- Trivalent Chromate
  - Trivalent Black
  - Trivalent White
- Bright Chrome Plating
  - Bright Chromate Plating
- Hot Zinc Plating
- Chromate Plating
  - Black Chromate
  - Chromate Plating
  - Green Chromate
- Nickel Plating
  - Nickel Plating
- Chrome Plating
  - Black chrome
- Parker
- Dacromet
- Copper Plating
  - German Brown plating
- Black Paint
  - Black Paint
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day

5 Day(s) or Less

6 Day(s) or Less

13 Day(s) or Less

15 Day(s) or Less

17 Day(s) or Less

18 Day(s) or Less

19 Day(s) or Less

27 Day(s) or Less
Clear

Specify Alterations

Flange Bolt (Class 2)【1-1,000 Pieces Per Package】

Volume Discount

Check FAQ of this product (4 items)

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Total Price :

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Product Description

SUNCO's Class 2 type hex bolts
[Features]
•Material: Steel (Equivalent to SWCH, Steel), Stainless Steel (Equivalent to SUS304, Stainless Steel)
•Surface treatment: Not Provided, Trivalent Chromate (Black, White), Bright Chromate Plating, Hot Zinc Plating, Chromate Plating (Bright Chromate, Chromate Plating, Green Chromate), Nickel Plating, Black Chrome Plating, Parker, Dacromet, Copper Plating, Black Paint
•Thread type: Metric Coarse
•Screw type: Fully threaded
•Addition shape: Flange type

: 30; 45; 60

Part Number
HXNF2-STD-M6-12
HXNF2-STD-M6-14
HXNF2-STD-M6-20
HXNF2-STD-M8-15
HXNF2-STD-M8-20
HXNF2-STD-M8-25
HXNF2-STD-M8-30
HXNF2-STD-M10-25

Price	Minimum Order Qty.	Number of pc(s). included in pkg.	Days to Ship	RoHS	Nominal of Thread (M)	Length L (mm)	Pitch (mm)	Material	Surface Treatment	Sales Unit
₹ 2,590.00	1 Pack(s)	300 Pieces Per Package	5 Day(s) or more	-	6	12	1	[Steel] Steel	Dacromet	Box/package
₹ 2,637.00	1 Pack(s)	250 Pieces Per Package	5 Day(s) or more	-	6	14	1	[Steel] SWCH Equivalent	Dacromet	Box/package
₹ 1,930.00	1 Pack(s)	200 Pieces Per Package	5 Day(s) or more	-	6	20	1	[Steel] Steel	Dacromet	Box/package
₹ 3,270.00	1 Pack(s)	150 Pieces Per Package	5 Day(s) or more	-	8	15	1.25	[Steel] Steel	Dacromet	Box/package
₹ 2,699.00	1 Pack(s)	120 Pieces Per Package	5 Day(s) or more	-	8	20	1.25	[Steel] SWCH Equivalent	Dacromet	Box/package
₹ 3,763.00	1 Pack(s)	150 Pieces Per Package	5 Day(s) or more	-	8	25	1.25	[Steel] SWCH Equivalent	Dacromet	Box/package
₹ 2,470.00	1 Pack(s)	150 Pieces Per Package	17 Day(s) or more	-	8	30	1.25	[Steel] Steel	Dacromet	Box/package
₹ 3,581.00	1 Pack(s)	100 Pieces Per Package	5 Day(s) or more	-	10	25	1.5	[Steel] Steel	Dacromet	Box/package

Basic Information

Screw Type	Complete thread	Detailed Shape	Standard	Mounting Hole Shape	No
Thread Type	Metric coarse	Additional Shape	Flanged	Application	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: What does "Class 2" mean for these flange bolts?: Answer: "Class 2" has tapered top flange, while "Class 1" has flat top flange. Most flange bolts used today are "Class 2."
Question: Do these bolts require a washer?: Answer: No, the flange acts like a washer, and increases the contact area with the mating material, increasing friction and preventing loosening.
Question: What torque should be applied to these flange bolts?: Answer: Torque values depend on thread size, material, and coating. A general torque chart for metric coarse threads should be consulted for precise values.
Question: Why do some coatings appear green or black instead of silver?: Answer: Different chemical treatments, like green chromate or black chrome plating, alter the bolt’s appearance while adding specific properties like enhanced oxidation resistance or better aesthetics.

Check other FAQ (1 items) Hide

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