High Strength Structure Bolts

//High Strength Structure Bolts

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 strength bolts is formed by the pressure of screw plate. If the plastic flow line of the thread part is [...]

By |September 8th, 2020|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. The hot-dip galvanized bolt is durable after hot-dip galvanizing: in the suburban environment, the standard hot-dip galvanized anti-corrosion thickness can [...]

By |August 29th, 2020|Bolt Types, Heavy Hex Bolts, High Strength Bolts, High Strength Structure Bolts|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 steel and alloy steel according to carbon content in carbon steel. 1. Low carbon steel C% ≤ 0.25% is usually [...]

By |August 27th, 2020|Bolt Types, Construction Bolts & Nuts, Heavy Hex Bolts, Hex Bolts, Hexagon Bolt, High Strength Bolts, High Strength Structure Bolts, Structural Bolts|Comments Off on Materials of High Strength Hexagon Bolts

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 grades. In general, there is no grade mark on the hexagonal plane of hexagon bolt, which is a common grade, [...]

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

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 meet the tensile strength value and yield ratio specified by the product. Heat treatment process has a crucial impact on [...]

By |August 17th, 2020|A490, A563, ASTM International Standard, Bolt Types, Fastener, Heavy Hex Bolts, High Strength Structure Bolts|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 the galvanized screws, but the cost is higher. The structural bolts with high strength are not suitable for hot-dip galvanizing. [...]

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

Process of High Strength Blackening Bolt

As for the process of high strength blackening bolt, it is a blackening treatment process at room temperature, which can be divided into the following procedures. The first step is to clean the surface of high strength bolts. After that, the degreasing process is started. The high strength bolt must be completely immersed in the [...]

By |August 11th, 2020|A490, ASTM International Standard, Bolt Types, Construction Bolts & Nuts, Heavy Hex Bolts, Hexagon Bolt, High Strength Structure Bolts|Comments Off on Process of High Strength Blackening Bolt

Application of High Strength Hexagon Bolt

Application of High Strength Hexagon Bolt is very widely, High strength hexagon bolts are usually used to connect thin metal plates. When connecting, the threaded bottom hole of the connected part is made first, and then the hexagonal combination screw is screwed into the threaded bottom hole of the connected part. Due to the high [...]

By |August 5th, 2020|Bolt Types, Heavy Hex Bolts, Hex Bolts, Hexagon Bolt, High Strength Bolts, High Strength Structure Bolts|Comments Off on Application of High Strength Hexagon Bolt

How to Distinguish High Strength Bolts

In order to distinguish high strength bolts, the following three methods are mainly used: With naked eyes, high strength bolts can be divided into high-strength external hexagon bolts and high-strength inner hexagon bolts. These high strength bolts are generally marked with strength grade and hardness grade. Generally, the screw head is marked with bolt grade. [...]

By |July 31st, 2020|Bolt Types, Heavy Hex Bolts, Hex Bolts, Hexagon Bolt, High Strength Bolts, High Strength Structure Bolts|Comments Off on How to Distinguish High Strength Bolts

Production Process of High Strength Hexagon Bolt

The following content is about the production process of high strength hexagon bolt. The production process of high strength hexagon bolt generally starts with the purchase of bolt wires. If you need to make high-strength hexagon bolts, you should first purchase the same specifications and models of bolts and wires. It is also necessary to [...]

By |July 26th, 2020|Bolt Types, Hex Bolts, Hexagon Bolt, High Strength Bolts, High Strength Structure Bolts|Comments Off on Production Process of High Strength Hexagon Bolt

How to Identify High Strength Bolts

Identify High Strength Bolts is also skilled, generally in this industry for a long time, you will learn the skill, the following is for everyone to sort out some of the knowledge. 1. Identification: there are obvious strength grade marks on the package of bolts manufactured by regular manufacturers. Such as 8.8, 10.9 and 12.9. [...]

By |July 24th, 2020|Bolt Types, Heavy Hex Bolts, Hex Bolts, Hexagon Bolt, High Strength Bolts, High Strength Structure Bolts, Stainless Steel Bolts|Comments Off on How to Identify High Strength Bolts

Construction of High Strength Bolts

The following problems should be paid attention to in the construction of high strength bolts: (1) Surface rust, oil stain, burr and weld bead on bolt hole wall shall be cleaned. (2) After treatment, the contact friction surface shall meet the requirements of anti scratch coefficient. The high-strength bolts used shall be matched with nuts [...]

By |July 23rd, 2020|A325, A490, ASTM International Standard, Bolt Types, Heavy Hex Bolts, High Strength Bolts, High Strength Structure Bolts|Comments Off on Construction of High Strength Bolts

Benefits of High Strength Hexagon Bolts

High strength hexagon bolts bring many benefits to various industries, such as Improve the stress condition of the structure. The force of friction type high-strength bolt connection is transmitted by the friction force on the steel plate surface. The large area of transmission force and the phenomenon of stress concentration are improved, and the fatigue [...]

By |July 20th, 2020|Bolt Types, Heavy Hex Bolts, Hex Bolts, Hexagon Bolt, High Strength Bolts, High Strength Structure Bolts, Socket Head Bolts|Comments Off on Benefits of High Strength Hexagon Bolts

High Strength Wind Power Bolt

As one of the most widely used connection methods in wind power equipment, high-strength wind power bolt and nut connection has the advantages of simple construction, disassembly and replacement, good stress and fatigue resistance. The domestic high strength bolt connection construction method generally adopts the torque method. At present, most of the domestic mainstream wind [...]

By |July 12th, 2020|A325, A490, ASTM International Standard, Bolt Types, Heavy Hex Bolts, High Strength Bolts, High Strength Structure Bolts|Comments Off on High Strength Wind Power Bolt

Blackening Treatment of High Strength Bolts

The blackening treatment of high strength bolts mainly requires the appearance, including the following points: 1. The appearance of blackening treatment is blue black or dark black. 2. The crystal of the film is compact and uniform, and the product has no exposed bottom, no obvious color difference, no whitening and other abnormal phenomena. If [...]

By |July 10th, 2020|A490, ASTM International Standard, Bolt Types, Heavy Hex Bolts, Hex Bolts, High Strength Bolts, High Strength Structure Bolts|Comments Off on Blackening Treatment of High Strength Bolts

Hexagon Head Bolts Installation and Application

Hexagon head bolts installation and application is directly related to the quality and service life of fasteners, and the safety of bolts is the primary consideration. Main factors affecting hexagon head bolt: the selection of material, thickness of steel plate, processing and cutting, surface coating and installation of steel structure parts shall comply with design [...]

By |July 8th, 2020|Fastener, Heavy Hex Bolts, Hex Bolts, Hexagon Bolt, High Strength Bolts, High Strength Structure Bolts|Comments Off on Hexagon Head Bolts Installation and Application

Application of Hexagon Head Bolt

The installation and use of hexagon head bolts are directly related to the quality and service life of fasteners, and the safety of bolts is the primary consideration. The main factors affecting the hexagon head bolt: the selection of material, thickness of steel plate, processing and cutting, surface coating and installation of steel structure shall [...]

By |June 29th, 2020|A325, A563, ASTM International Standard, Construction Bolts & Nuts, Heavy Hex Bolts, Hex Bolts, Hexagon Bolt, High Strength Structure Bolts, Structural Bolts|Comments Off on Application of Hexagon Head Bolt

About Hot-dip Galvanized Hexagon Screw

The hot-dip galvanized hexagon screw is to place the bolt in the high-temperature zinc solution of 600 ℃ so that its surface is coated with a dark gray surface. The advantages of hot-dip galvanized hexagon screw are strong adhesion of zinc coating, thick coating and strong corrosion resistance. Hot dip galvanized bolts are used for [...]

By |June 25th, 2020|A490, ASTM International Standard, Bolt Types, Heavy Hex Bolts, Hexagon Bolt, High Strength Structure Bolts|Comments Off on About Hot-dip Galvanized Hexagon Screw

About High Strength Black Bolt

Production process of high strength black bolt: Rack mounting → oil removal by boiling alkali solution → water cleaning → rust removal by hydrochloric acid solution → water cleaning → boiling water heating → oxidation → water cleaning → saponification → water cleaning → self drying → hot oil soaking → oil control → inspection [...]

By |June 23rd, 2020|A325, A490, ASTM International Standard, Bolt Types, Heavy Hex Bolts, High Strength Bolts, High Strength Structure Bolts|Comments Off on About High Strength Black Bolt

Advantages of Dacromet Hexagon Bolt

Dacromet hexagon bolt has many advantages, which are listed as follows: Ultra strong corrosion resistance: the thickness of Dacromet hexagon bolt film is only 4-8 μ m, but its antirust effect is more than 7-10 times of that of traditional galvanizing, hot galvanizing or coating. The standard parts and pipe joints treated by Dacromet process [...]

By |June 21st, 2020|Bolt Types, Heavy Hex Bolts, Hex Bolts, Hexagon Bolt, High Strength Bolts, High Strength Structure Bolts|Comments Off on Advantages of Dacromet Hexagon Bolt