Factory direct sale: Dacromet 12.9 DIN912 cylinder head six angle bolt
Product Name: 12.9 level internal six angle screw 12.9 level column head screw high strength cup head screw
Product standard: GB/T70.1-85 DIN912
Product material: SCM435 alloy steel
Supply range: metric diameter 35mm length M6*35

American #4--1-1/2 1/4--12 inch diameter length

12.9 - level six - angle screw is one of the series of high - strength bolt series.
In the 12.9 stage of the supply of metal products Co., Ltd. six angle screws are generally used for high mechanical properties of the occasion, such as: injection molding machinery, hydraulic equipment, mold assembly, etc..
12.9 angle screws after heat treatment of the surface hardness can reach 39-45 degrees.
12.9 inner six angle screw production standard reference to the national standard GB/T70.1, German standard DIN912, American Standard, British standard production.
12.9 level six angle screw part of the specification of the full thread, half thread, fine teeth.
American 12.9 inner hexagon screw supply range from #4--1-1/2, imperial 12.9 inner hexagon screw supply range from 1/4--1-1/2 commonly used specifications are spot sales.