快乐飞艇人工计划网

快乐飞艇网

Stainless Socket Head Screws are available to order online from IMS Bolt.
Made from 18-8 stainless steel, these screws have good chemical resistance and may be mildly magnetic. Length is measured from under the head.

快乐飞艇龙虎走势图

Coarse threads are the industry standard; choose these screws if you don’t know the pitch or threads per inch. Fine threads are closely spaced to prevent loosening from vibration. They are not compatible with coarse threads.
Screws that meet ISO 21269 and ISO 4762 (formerly DIN 912) comply with specifications for dimensional standards.