Knowledge

The strength grade of the bolt

What knowledge does the hardware industry possess?

Expansion bolts are a special type of threaded connection used to fix pipe supports, hangers, brackets or equipment to walls, floors or columns. The g

The representation of bolts includes information such as thread type, material, surface treatment and strength grade. For example, the representation

Protective function‌: The main function of cap nuts is to prevent foreign impurities, moisture, etc. from invading the inside of the nut, thereby

1) Trapezoidal thread - The tooth profile is an isosceles trapezoid with a tooth angle of 30°. It is the most commonly used transmission thread. C

Fasteners are a general term for a type of mechanical parts used to fasten two or more parts (or components) into a whole. They are commonly used in v

Take you to understand the current development of the hardware industry.

Hot-dip galvanized hexagonal bolts are divided into ordinary and reamed holes.

The bolts of hexagon socket bolts are divided into socket and socket socket bolts according to the shape of the bolt head.

The forming of the bolt head adopts cold heading plastic processing.

The method of distinguishing the true and false of high-strength national standard bolts mainly depends on 5 aspects.