Wholesale DIN 916:1980 Hex Socket Cup Point Set Screw

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DIN 916:1980 Hex Socket Cup Point Set Screw

DIN 916:1980 Hex Socket Cup Point Set Screw is a widely used locking set screw with a hex socket drive and a cup point, designed to provide strong holding force on shafts, collars, hubs, and similar components.

The cup point creates an edge-biting action during tightening, helping improve resistance to loosening in light to medium vibration environments. The hex socket enables stable torque application, making the screw common in production assembly, equipment maintenance, and standardized spare parts.

This product is used on pulleys, couplings, sprockets, adjustment rings, handwheels, and many mechanical locating components. High-strength alloy steel, stainless steel, or protected carbon steel can be selected to meet durability requirements in different operating conditions.

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 Dimensions unit: inch 

Thread size d

M1.4

M1.6

(M1.8)

M2

M2.5

M3

M4

M5

M6

P

Pitch

0.3

0.35

0.35

0.4

0.45

0.5

0.7

0.8

1

dz

Max.

0.7

0.8

0.9

1

1.2

1.4

2

2.5

3

Min.

0.45

0.55

0.65

0.75

0.95

1.15

1.75

2.25

2.75

s

Nominal

0.7

0.7

0.7

0.9

1.3

1.5

2

2.5

3

Max.

0.724

0.724

0.724

0.902

1.295

1.545

2.045

2.56

3.08

Min.

0.711

0.711

0.711

0.889

1.27

1.52

2.02

2.52

3.02

t

Min.

Short Screw

0.6

0.7

0.8

0.8

1.2

1.2

1.5

2

2

Long Screw

1.4

1.5

1.6

1.7

2

2

2.5

3

3.5

e

Min.

0.803

0.803

0.803

1.003

1.427

1.73

2.3

2.87

3.44

L0 ①

Nominal

2

2

2.5

2.5

3

4

5

5

6

Thousand pieces of steel weigh ≈kg

-

-

-

-

-

-

-

-

-

 

 

Thread size d

M8

M10

M12

(M14)

M16

(M18)

M20

(M22)

M24

P

Pitch

1.25

1.5

1.75

2

2

2.5

2.5

2.5

3

dz

Max.

5

6

8

9

10

12

14

16

16

Min.

4.7

5.7

7.64

8.64

9.64

11.57

13.57

15.57

15.57

s

Nominal

4

5

6

6

8

10

10

12

12

Max.

4.095

5.095

6.095

6.095

8.115

10.115

10.115

12.142

12.142

Min.

4.02

5.02

6.02

6.02

8.025

10.025

10.025

12.032

12.032

t

Min.

Short Screw

3

4

4.8

5.6

6.4

7.2

8

9

10

Long Screw

5

6

8

9

10

11

12

13.5

15

e

Min.

4.58

5.72

6.86

6.86

9.15

11.43

11.43

13.72

13.72

L0 ①

Nominal

8

10

12

14

16

18

20

22

25

Thousand pieces of steel weigh ≈kg

-

-

-

-

-

-

-

-

-

 

FAQ

Frequently Asked Questions

  • 1. How soon can I expect a reply after sending an inquiry?

    A: We take every inquiry seriously. On working days, we will respond within 12 hours after receiving your inquiry.

  • 2. What products do you mainly offer?

    A: We focus on the production of fasteners made of carbon steel, stainless steel, and low-alloy steel. We are a direct manufacturer with independent production capacity. DIN 916:1980 Hex Socket Cup Point Set Screw Factory. We own several fastener manufacturing facilities and have an international sales department, providing full-process services from production to export.

  • 3. Do you support customized production?

    A: Customized production is our core business. We can develop and manufacture products based on the drawings or samples you provide.

  • 4. Do you produce standard parts?

    A: Yes. In addition to custom products, we also produce general construction machinery parts (GET parts) for equipment such as excavators, including bucket teeth, tooth holders, corner blades, pins, clips, bolts and nuts. DIN 916:1980 Hex Socket Cup Point Set Screw Wholesale.

  • 5. What is your production capacity?

    A: We have 12 energy-efficient and environmentally friendly modern production lines (including one fully automatic shell molding line and four heat treatment lines), with an annual production capacity exceeding 20,000 tons, enabling us to steadily meet various order requirements.

  • 6. What are your payment terms?

    A: Trade terms (such as FOB, CIF, etc.) are confirmed when quoting. For batch production, we typically require a 30% deposit, with the balance paid against the copy of the bill of lading. T/T is the main payment method accepted, and L/C can also be negotiated.

  • 7. How is the shipment arranged?

    A: We are only 35 km away from Shanghai Port and Ningbo Port, so sea freight is the main mode of transportation, which is convenient and efficient. For urgent deliveries, we can also arrange air freight via Ningbo or Shanghai airports.

Better Fastener Industry Co., Ltd.

About Us

BETTER FASTENER INDUSTRY CO., LTD.

Better Fastener is a professional fastener enterprise specializing in the manufacturing of steel washers, stainless steel washers, spring washers and sealingwashers. Founded in 2001 as a washer factory, the company expanded into a comprehensive enterprise integrating washers, nuts, bolts, spring nuts and other fastener products in 2010. DIN 916:1980 Hex Socket Cup Point Set Screw Suppliers in China.

The company positions itself as a provider of comprehensive one-stop services for customers, relying on technological R&D, industrial investment and trade distribution.

With an experienced professional team and a sound sales network, Better Fastener has achieved excellent sales performance in both domestic and foreign markets,and has grown into one of the competitive manufacturers and suppliers in China's industrial fastener industry.

Better Fastener is committed to becoming a trusted fastener supplier for customers with reliable product quality, reasonable prices and on-time delivery

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