18 Years Factory Square Drive Self Tapping Screws - DIN912 – Hexagon Socket Head Cap 10.9 Grade Allen Bolt 12.9 Grade Hex Allen Key Bolts – Dashan Detail:
DIN912 hex socket screw, also called hex socket head screw. Carbon steel hex socket screws are divided into 4.8, 8.8, 10.9 and 12.9 grades according to strength, among which 4.8 grade is common hex socket screws, 8.8-12.9 grade is high strength and high grade hex socket screws.Socket head cap screw is often used in mechanical fastening internal links, due to its head type external circular, can very good embedded in various junction surface, target as long as make a round hole, screw head can also be very good into the target plane, and remove the simple, hexagonal rods or pneumatic electric gun can be within the scope of work with little work. DIN912 hex socket screws are German standard, thread specifications from M1.4 to M64.
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By Evangeline from Namibia - 2018.06.18 17:25
The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
By Arthur from moldova - 2018.02.04 14:13
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