DIN931/DIN933 Carbon Steel Black Phosphating Hexagon Head Screw Hex Bolt

Min.Order: 1,000
Product origin: Ningbo, Zhejiang, China
Infringement complaint: complaintComplaint
US$ 0.02 ~ 0.2

Description

Black Oxide Hexagon Bolt

What is black oxide coating on bolts?
A chemical black finish is also referred to as black oxide or blackening. It is a 'conversion coating', which is a coating for metal where the surface of the part is subjected to a chemical or electrochemical process by the coating material, converting it into a decorative or protective substance.

 
Type:Hexagon Bolt
Definition:Hexagon Bolt, also called hex bolts or hex head cap screws, are threaded fasteners with a six-sided head. They are installed with a wrench or a socket. Compared to other fasteners, hex head cap screws provide a larger surface-bearing area for better clamping.
Description:
 
Hex bolts, also called hexagon screw head bolts, hex cap bolts, hex-cap screws, or machine bolts, are a very common choice when it comes to construction and repair. Hexagon screw head bolts come in a large variety of sizes and diameters.
Application:Bolts and nuts are designed with a hexagonal shape because it makes them easy to turn. With six sides, you can turn a fastener just one-sixth of the way to reach the next flat parallel. There are six flat parallels on hexagonal bolts and nuts.
Others:A hex key wrench or Allen wrench has a hexagonal shaped body. The metal shaft may end in an L-shape or T-shape that serves as a handle. This makes it easier to turn. Hex wrenches often come in a set with several different sizes.
 
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