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What are the screw thread forms?

Standard self tapping screw identification characters, including symbols representing thread and tail shape. Self tapping screws have one or two characters for thread to represent the machine
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19
2020-11

Fastener steel still need to meet the strict requirements

Time of issue: : 2020-11--19
At present, China is already the largest fastener manufacturer in the world, but it has been facing claims caused by quality problems
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19
2020-11

Three common materials of standard parts

Time of issue: : 2020-11--19
According to the current hardware market demand, the use of materials is also very important for standard parts, and the standard parts materials that may be used in different application places are
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19
2020-11

Fastener (standard parts) professional knowledge

Time of issue: : 2020-11--19
This paper is mainly divided into three parts: 1. Classification of fasteners; 2. Identification and inspection of threads; 3. Material requirements and heat treatment requirements of bolts, screws and studs
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On-fastener Manufactory (Shanghai) Limited

Fax：86-21-57536658

Add：No. 2385, Xinsiping Road, Situan Town, Fengxian District, Shanghai

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