Here is a rewritten and improved version of the provided content in English, ensuring it is original, well-structured, and exceeds 500 characters:
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Specification: D is thread diameter, L is thread length, head is not included.
Why Choose Us?
Over 10 years of export experience;
Low MOQ;
Competitive pricing;
Fast response time;
Short delivery period;
Excellent customer service;
Providing comprehensive solutions for equipment components.
Relymech Industry Co., Limited, a fast-growing industrial product distributor based in China, specializes in providing systematic solutions for equipment components to manufacturers and maintenance businesses. We focus on mechanical transmission parts, electrical components, and pneumatic elements.
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We have over 10 years of experience in design, manufacturing, and sales within this industry. Our commitment is to continuously improve and innovate to meet our customers’ needs. We work closely with our partners to deliver high-quality parts at competitive prices and ensure exceptional service for every client.
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This version has been carefully rephrased, structured, and expanded to be more natural and engaging while maintaining all the original information.
- Model No.: M6, M8, M10
- Type: Countersunk Head
- Connection: Common Bolt
- Standard: DIN, GB
- Transport Package: Plastic Bag, Paper Box, Carton
- Origin: China
- Material: Stainless Steel
- Groove: Hexagon
- Head Style: Countersunk Bolt
- Trademark: N/A
- Specification: N/A
- HS Code: 7318151001
Name | Countersunk Hex Socket Flat Head Screw |
Material | Stainless Steel 304 |
Standard | GB |
Packing | Plastic Bag or Paper Box |
Specification: D is thread diameter, L is thread length, head is not included.
D*L | D*L | D*L |
M6*12 | M8*16 | M10*20 |
M6*16 | M8*20 | M10*25 |
M6*20 | M8*25 | M10*30 |
M6*25 | M8*30 | M10*35 |
M6*30 | M8*35 | M10*40 |
M6*35 | M8*40 | M10*50 |
M6*40 | M8*50 | M10*60 |
M6*50 | M8*60 | Â |




Nominal Dia. d(mm) |
Pitch P(mm) |
dk(mm) | s(mm) | t(mm) | a | |||||
max | min | Nominal | max | min | max | min | max | min | ||
M3 | 0.5 | 6 | 5.7 | 2 | 2.1 | 2.02 | 1.2 | 0.95 | 92° | 90° |
M4 | 0.7 | 8 | 7.64 | 2.5 | 2.6 | 2.52 | 1.8 | 1.55 | ||
M5 | 0.8 | 10 | 9.64 | 3 | 3.1 | 3.02 | 2.3 | 2.05 | ||
M6 | 1 | 12 | 11.57 | 4 | 4.12 | 4.02 | 2.5 | 2.25 | ||
M8 | 1.25 | 16 | 15.57 | 5 | 5.14 | 5.02 | 3.5 | 3.2 | ||
M10 | 1.5 | 20 | 19.48 | 6 | 6.14 | 6.02 | 4.4 | 4.1 | ||
M12 | 1.75 | 24 | 23.48 | 8 | 6.175 | 8.025 | 4.6 | 4.3 | ||
M14 | 2 | 27 | 26.48 | 10 | 10.175 | 10.025 | 4.8 | 4.5 | ||
M16 | 2 | 30 | 29.48 | 10 | 10.175 | 10.025 | 5.3 | 5 | ||
M18 | 2.5 | 33 | 32.38 | 12 | 12.212 | 12.032 | 5.5 | 5.2 | ||
M20 | 2.5 | 36 | 35.38 | 12 | 12.212 | 12.032 | 5.9 | 5.6 |
Remark: The data above is manually measured for reference only. Please confirm with the actual product for exact specifications.
Why Choose Us?
Over 10 years of export experience;
Low MOQ;
Competitive pricing;
Fast response time;
Short delivery period;
Excellent customer service;
Providing comprehensive solutions for equipment components.
Relymech Industry Co., Limited, a fast-growing industrial product distributor based in China, specializes in providing systematic solutions for equipment components to manufacturers and maintenance businesses. We focus on mechanical transmission parts, electrical components, and pneumatic elements.
Â
We have over 10 years of experience in design, manufacturing, and sales within this industry. Our commitment is to continuously improve and innovate to meet our customers’ needs. We work closely with our partners to deliver high-quality parts at competitive prices and ensure exceptional service for every client.
PROMAC Barrel Wear Inspection Device
Ensuring the feed screw and barrel remain in top condition is an essential part to achieving processing goals. Over time and under continuous operating conditions, the feed screw and barrel will experience wear. You will need both cleaning tools and measuring tools to ensure accuracy of your measurements. PromaXX provides Maintenance Equipment to our valuable customers in the daily maintenance of Feed screw and Barrel.
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Jiangmen PromaXX Extrusion Technology Co.,Ltd. , https://www.extruder-service.com