- Model NO.: M1.6-M20
- Type: Hexagon Head
- Head Style: Hexagonal
- Application: Building
- Trademark: OEM
- Specification: M1.6-M20
- HS Code: 731815
- Material: Stainless Steel
- Connection: Common Bolt
- Standard: DIN, GB
- Finish: Passivation
- Transport Package: Plastic Bag, Carton, Pallet
- Origin: Jiangsu, China
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Product name: Hex socket cup head bolt machine screw
Standard:DIN912
Material: SUS304
Head type: Hex socket cup head
Diameter size:M1.6-M20
Length: 3mm to 150mm
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d | p | b | dk max | ds max | e min | k max | s | t min | |
b | c | ||||||||
M1.6 | 0.35 | 15 | 3 | 3.14 | 1.6 | 1.73 | 1.6 | 1.5 | 0.7 |
M2 | 0.4 | 16 | 3.8 | 3.98 | 2 | 1.73 | 2 | 1.5 | 1 |
M2.5 | 0.45 | 17 | 4.5 | 4.68 | 2.5 | 2.3 | 2.5 | 2 | 1.1 |
M3 | 0.5 | 18 | 5.5 | 5.68 | 3 | 2.87 | 3 | 2.5 | 1.3 |
M4 | 0.7 | 20 | 7 | 7.22 | 4 | 3.44 | 4 | 3 | 2 |
M5 | 0.8 | 22 | 8.5 | 8.72 | 5 | 4.58 | 5 | 4 | 2.5 |
M6 | 1 | 24 | 10 | 10.22 | 6 | 5.72 | 6 | 5 | 3 |
M8 | 1.25 | 28 | 13 | 13.27 | 8 | 6.86 | 8 | 6 | 4 |
M10 | 1.5 | 32 | 16 | 16.27 | 10 | 9.15 | 10 | 8 | 5 |
M12 | 1.75 | 36 | 18 | 18.27 | 12 | 11.43 | 12 | 10 | 6 |
M14 | 2 | 40 | 21 | 21.33 | 14 | 13.72 | 14 | 12 | 7 |
M16 | 2 | 44 | 24 | 24.33 | 16 | 16 | 16 | 14 | 8 |
M20 | 2.5 | 52 | 30 | 30.33 | 20 | 19.44 | 20 | 17 | 10 |
The above parameters for your reference.
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
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We supply the products:
Fastener---screw, bolt, nut, washer, rivet, pin, key;
Pneumatic components---fittings, cylinders;
Transmission part---ball screw, linear guide way, ball spline, linear motor module, ball transfer unit etc.
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Why Choose us?
Over 10 years export experience;
Less MOQ;
Competitive Price;
Quick response;
Short Delivery time;
Good service
Provide systematic solution for equipment components.
Relymech Industry Co., Limited, a rapid-developing industrial product distributer located in China, is focusing on equipment components systematic solution for manufacturer & maintenance business in mechanism transmission parts, fasteners and pneumatic components etc.
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Our team has more than 10 years' experience in design, process and sales in this industry. We commit to make continuously improving & innovation to meet customer's requirements and work closely with our partners to provide qualified parts with competitive price and best service to each customer!Â
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