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Advantage of High Strength Dacromet Bolt

The advantage of high strength Dacromet bolt is due to the development of Dacromet, which has become a necessary technical requirement in some workplaces. The main reasons are as follows: 1. Electroplating not only pollutes [...]

By |September 8th, 2020|Categories: A563, ASTM International Standard, Bolt Types, F568M, Heavy Hex Bolts, Hex Bolts, Hexagon Bolt, High Strength Bolts, Structural Bolts|Comments Off on Advantage of High Strength Dacromet Bolt

Thread Processing Technology of High Strength Bolt

The thread of high strength bolt is realized by receiving hot working method. The thread material within the diameter range is processed through the process of thread rolling plate, and the screw thread of high [...]

By |September 8th, 2020|Categories: A325, A490, ASTM International Standard, Bolt Types, High Strength Bolts, High Strength Structure Bolts|Comments Off on Thread Processing Technology of High Strength Bolt

Advantages of Hot-dip Galvanized Bolt

Hot-dip galvanized bolt has many advantages, which are summarized as follows: 1. The cost of hot-dip galvanized bolts treatment is low: the cost of hot-dip galvanizing antirust is lower than that of other coatings; 2. [...]

By |August 29th, 2020|Categories: Bolt Types, Heavy Hex Bolts, High Strength Bolts, High Strength Structure Bolts|Tags: , , |Comments Off on Advantages of Hot-dip Galvanized Bolt

Materials of High Strength Hexagon Bolts

Which materials of High strength hexagon bolts?  they are made of three kinds of materials. The details are as follows: Carbon steel: Generally, hexagonal bolt manufacturers distinguish low carbon steel, medium carbon steel, high carbon [...]

Processing of Bolt Head and Thread

How is the bolt head and thread processed? The head of bolt is formed by cold upsetting plastic processing. Compared with the cutting process, the metal fiber (metal wire) is continuous along the product shape [...]

How to Distinguish High Strength National Standard Bolt

The identification method of high strength national standard bolt mainly depends on five aspects: Look at the mark. Generally, the packing box of bolts has identification. It can be divided into 8.8, 10.9 and 12.9 [...]

By |August 23rd, 2020|Categories: Bolt Types, Carriage Bolts, Construction Bolts & Nuts, Heavy Hex Bolts, High Strength Bolts, High Strength Structure Bolts, Structural Bolts|Tags: , |Comments Off on How to Distinguish High Strength National Standard Bolt

Heat Treatment of American Hexagon Socket Bolts

There are 10 kinds of heat treatment methods for American hexagon socket bolts 1. Normalizing: the steel or steel parts are heated to the appropriate temperature above the critical point AC3 or ACM for a [...]

By |August 20th, 2020|Categories: A325, A490, ASTM International Standard, Bolt Types, Heavy Hex Bolts, Hex Bolts, Hexagon Bolt, Socket Head Bolts|Tags: |Comments Off on Heat Treatment of American Hexagon Socket Bolts

Requirements for Heat Treatment High Strength Fasteners

Heat treatment high strength fasteners should be quenched and tempered according to the technical requirements. The purpose of heat treatment quenching and tempering is to improve the comprehensive mechanical properties of fasteners, so as to [...]

By |August 17th, 2020|Categories: A490, A563, ASTM International Standard, Bolt Types, Fastener, Heavy Hex Bolts, High Strength Structure Bolts|Tags: , |Comments Off on Requirements for Heat Treatment High Strength Fasteners

Advantages of High Strength Galvanized Bolts

High strength galvanized bolts are galvanized, so what are the advantages? Hot dip galvanizing is also used for the surface anti-corrosion of screws, bolts and nuts. The hot-dip galvanized screws have better corrosion resistance than [...]

By |August 15th, 2020|Categories: Bolt Types, Hexagon Bolt, High Strength Bolts, High Strength Structure Bolts|Tags: |Comments Off on Advantages of High Strength Galvanized Bolts

A325M Heavy Duty Hexagon Bolt Specification

Heavy duty hexagon bolt: 1. Standard: A325M 2. Grade: 4.8 / 5.8 / 6.8 / 8.8 / 10.9 / 12.9 ,  grade 2 / 5 / 8 3. Specification: m6-m24, 1 / 4 inch-1 inch [...]

By |August 13th, 2020|Categories: A325, ASTM International Standard, Bolt Types, Bolts & Nuts Grade, Fastener, Grade 8.8, Heavy Hex Bolts|Tags: , |Comments Off on A325M Heavy Duty Hexagon Bolt Specification