Bolt Types

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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

Characteristics of Steel Structure Bolts

Steel structure bolts are high strength bolts, and also kinds of standard parts. Good fastening performance, used in steel structure, engineering, so that the tightening effect. General steel structure, the requirements of steel structure bolt are 8.8 grade or above, there are 10.9 grade, 12.9 grade, all of them are high strength steel structure bolts, [...]

By |July 5th, 2020|Bolt Types, Carriage Bolts, Lag Screw Bolts, Stainless Steel Bolts, Structural Bolts|Comments Off on Characteristics of Steel Structure Bolts

Grade 12.9 Hex Bolts Types

According to the items, the Grade 12.9 Hex Bolts can be divided into grade 12.9 external hexagon screw, grade 12.9 hexagon socket head screw (cup head), grade 10.9 countersunk head hexagon screw (flat cup), grade 10.9 semicircular head hexagon socket head screw (round cup), grade 12.9 set screw (machine meter), grade 12.9 hexagon plug screw [...]

By |July 1st, 2020|Bolt Types, Heavy Hex Bolts, Hex Bolts, Hexagon Bolt, Socket Head Bolts|Comments Off on Grade 12.9 Hex Bolts Types

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

Classification of Internal Hexagon Bolts

Internal Hexagon Bolts are divided into cylinder head hexagon socket head bolts, which is the most commonly used one. There are many kinds of hexagon head bolts. According to the material, they are divided into iron bolts, carbon steel bolts and stainless steel bolts. Stainless steel hexagon bolts also have stainless steel SUS304 and SUS202 [...]

By |June 27th, 2020|Bolt Types, Hex Bolts, Hexagon Bolt, Structural Bolts|Comments Off on Classification of Internal Hexagon Bolts

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

Torque Coefficient of Overlong Bolt

The overlong bolt is usually constructed by the torque axial force method, which is divided into two stages of initial tightening and final tightening. The torque coefficient refers to the coefficient between the torque and the axial force of the bolt in the tightening process. Generally speaking, it has a great relationship with the friction [...]

By |June 19th, 2020|Bolt Types, Heavy Hex Bolts, High Strength Bolts, High Strength Structure Bolts|Comments Off on Torque Coefficient of Overlong Bolt
  • Introduction of Hex Bolt

Introduction of Hex Bolt

Introduction of Hex Bolt The inside hex bolt head is round on the outside and concave in the middle, and the hex bolt is the common kind of hexagonal head with hex edges. The inner hex screwdriver looks like `7'. Cut two segments of the hex steel bar into 90 degrees bending to form an [...]

By |June 17th, 2020|Heavy Hex Bolts, Hex Bolts|Comments Off on Introduction of Hex Bolt

Difference between High Strength Hexagon Bolt and Ordinary Bolt

From the following three aspects, the difference between high strength hexagon bolt and ordinary bolts is introduced. In terms of strength grade High strength hexagon bolts are widely used. The strength grades of 8.8s and 10.9s are commonly used, of which 10.9 is the most. The strength grade of ordinary bolts is lower, generally 4.4, [...]

By |June 15th, 2020|A325, A490, ASTM International Standard, Bolt Types, Heavy Hex Bolts, Hex Bolts, Hexagon Bolt, High Strength Bolts, High Strength Structure Bolts|Comments Off on Difference between High Strength Hexagon Bolt and Ordinary Bolt

Material and Performance of High Strength Hexagon Socket Bolt

As a small hardware component, high strength hexagon socket bolt is widely used, ranging from a small electronic product and mechanical equipment to automobiles, airplanes, ships, etc., which need to move to high-strength hexagon bolts. In addition, the high-strength hexagon bolt is applied to the following industries: electronic industry, electrical industry, electrical industry, power industry, [...]

By |June 13th, 2020|A307, A325, A490, ASTM International Standard, Bolt Types, Heavy Hex Bolts, Hex Bolts, Hexagon Bolt, High Strength Bolts, High Strength Structure Bolts|Comments Off on Material and Performance of High Strength Hexagon Socket Bolt

Drawing of Thread Hole of Heavy Hex Bolt

When drawing the Thread Hole of Heavy Hex Bolt, use two thick solid lines, close the end with a triangle (also thick solid line), then offset two thin solid lines (offset distance is thread depth) outwards, and close the front of the triangle with a thin solid line. In addition, the following three points should [...]

By |June 11th, 2020|A325, A490, ASTM International Standard, Bolt Types, Heavy Hex Bolts, Hex Bolts, Hexagon Bolt|Comments Off on Drawing of Thread Hole of Heavy Hex Bolt

Advantages of Hot Dip Galvanized Hexagon Bolt

In the work, we can often see the hot dip galvanized hexagon bolt, because it has many advantages, making it popular with customers, and rapid development in the market. Generally speaking, the top surface of the head of the hot-dip galvanized hexagon bolt is marked with convex or concave characters, or the side of the [...]

By |June 10th, 2020|A325, A490, ASTM International Standard, Bolt Types, Heavy Hex Bolts, Hex Bolts, High Strength Bolts, High Strength Structure Bolts|Comments Off on Advantages of Hot Dip Galvanized Hexagon Bolt

Classification of High Strength Hexagon Socket Bolts

The High Strength Hexagon Socket Bolts connection is to clamp the plates of the connecting plate by a large amount of tightening pre tension in the bolt bar, which is enough to produce a great friction force, so as to improve the integrity and rigidity of the connection. When subjected to shear force, according to [...]

By |June 8th, 2020|Anchor Bolts, Bolt Types, Countersunk Bolt, Heavy Hex Bolts, Hex Bolts, Hexagon Bolt, High Strength Bolts, High Strength Structure Bolts, Structural Bolts|Comments Off on Classification of High Strength Hexagon Socket Bolts

General Knowledge of Steel Structure Bolt Thread

The Steel Structure Bolt thread refers to a kind of uniform helix bulge on the screw or bolt surface or the section of the internal surface, which mainly plays the role of connection, adjustment, transfer movement, etc. Generally speaking, the thread of steel structure bolt can be divided into three types according to the structural [...]

By |June 6th, 2020|Bolt Types, Carriage Bolts, Heavy Hex Bolts, Hex Bolts, Hexagon Bolt, High Strength Structure Bolts, Socket Head Bolts, Stainless Steel Bolts, Structural Bolts|Comments Off on General Knowledge of Steel Structure Bolt Thread

Installation Points of High Strength Hexagon Bolt

What are the installation points of high strength hexagon bolt? Let's make a list: 1. During the assembly of high-strength hexagon socket bolt connection pair, the side with round table of nut shall face the side with chamfering of washer. For the assembly of large hexagon head and high-strength hexagon bolt connection pair, the chamfered [...]

By |June 4th, 2020|Heavy Hex Bolts, Hex Bolts, Hexagon Bolt, High Strength Bolts, High Strength Structure Bolts, Socket Head Bolts, Structural Bolts|Comments Off on Installation Points of High Strength Hexagon Bolt

Calculation and Drawing of Hexagon Bolt

Calculation and Drawing of Hexagon Bolt: Hexagon bolt is a very common bolt, which is widely used. It can fasten connected parts by bolts, nuts and washers. The function of the ring is to prevent the surface of the connected part from being damaged when tightening the nut, and to make the pressure of the [...]

By |June 3rd, 2020|Heavy Hex Bolts, Hex Bolts, Hexagon Bolt, Hexagon Nut, High Strength Bolts, High Strength Structure Bolts, Nuts|Comments Off on Calculation and Drawing of Hexagon Bolt

Do Heavy Hex Bolts need GASKET

Is it necessary to use gasket when connecting heavy hex bolts? The gasket of heavy hex bolts is mainly used to avoid the scratch of bolt and reduce the bending force. Whether to use washers or not depends on the specification of heavy hex bolts. When the bolt assembly hole is too large, a washer [...]

By |June 1st, 2020|Heavy Hex Bolts, Hexagon Bolt, High Strength Bolts, High Strength Structure Bolts, Washers|Comments Off on Do Heavy Hex Bolts need GASKET
  • Bolt Classification Knowledge

Bolt Classification Knowledge

Bolt Classification Knowledge This time Fastener Bolt Exporter talks about bolt information other than threads. There are many types of bolts, and there are probably several classification methods: classification by the head of the bolt; classification by the material; classification by the performance level; classification by the connection force method. The first category is classified [...]