DIN933 DIN931 4.8 5.8 8.8 10.9 Grade Black Oxide Heavy Hex Head Bolts
A bolt is a form of threaded fastener with an external male thread. Bolts are thus closely related to, and often confused with,screws. A hex cap screw is a cap screw with a hexagonal head, designed to be driven by a wrench (spanner). An ASME B18.2.1 compliant cap screw has somewhat tighter tolerances than a hex bolt for the head height and the shank length. The nature of the tolerance
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Q1: Are you a factory or trading company? A: We are a Manufacturer who got import export certificate Q2: Why choose us? A: We had advanced fully automatic equipment to improve the production efficiency and offer good delivery time and best price,With ISO 9001 and IATF 16949 certified. From material selection to parts production, we conform to the strictest quality requirements. Q1: What is your main products? A: Hex Flange Bolts, Sems Screws,Hex Bolts, Rivets, Stud Bolts , Non standard Bolts, High Tensile Bolts, Auto Components, Custom CNC Parts.