Industry Information

Update February 23, 2023

It refers to machine parts or components made of hardware, and some small hardware products. It can be used for individual purposes or as an aid. For example, hardware tools, hardware parts,...

Update February 13, 2023

Fastener material introduction

Various stainless steel products: bolts, nuts, washers and various non-standard parts containing 304, 304L, 316, 316L, 310S and other grades Carbon steel products of various grades and plating: bolts...

Update November 09, 2022

What are the uses of different screw head types do you know?

We all know that screws are custom manufactured according to the use of the product. It is true that the screw specific to what head type, what specifications of the screw, then we have to choose...

Update October 20, 2022

Introduction of fasteners

Fasteners are mainly screws, nuts, nuts, bolts, screws, studs, the difference between them: the standard statement is no screws and nuts. Screw is the common name, with external threads can be called...

Update September 28, 2022

Introduction of self-tapping screws

self-drilling screws connect components in one work step: they drill, form the thread and fasten. This reduces the installation time, saves tool changes and costs for drills. The self-drilling screws...

Update September 27, 2022

bolts and nuts manufacturers

The most detailed introduction of the bolts analysis: A type of fastener consisting of a head and a screw (a cylinder with an external thread) is required to be fitted with a nut for fastening the...

Update September 27, 2022

High-strength bolts|Steel structural bolts|Twisted shear bolts, 10.9S bolt analysis

High-strength bolts are mostly used for the connection of bridges, rails, high-pressure and ultra-high-pressure equipment. The breakage of such bolts is mostly brittle fracture. High-strength bolts...

Update September 20, 2022

How are self drilling screws measured?

They are measured from the top of the head to the tip. Hex and hex washer head screws and bolts, although flat on the top and the bottom, are measured from the bottom of the head. From that point to...

Update January 05, 2022

What are the hardness indexes of bolts? What is the hardness of bolts?

Hardness indicates the ability of a material to resist the pressing of a hard object into its surface. It is one of the important performance indicators of metallic materials. It is understood that...

Update November 24, 2021

Steel structural bolts | Big hexagon bolts | High-strength bolts | Torsion bolts | Huayong www.hdgangjiegou.com

Steel structural bolts, large hexagon bolts, high strength bolts, shear bolts, steel structural shear bolts, we are professional steel structure shearing screw manufacturers, provide Hebei Yongnian...