Monthly Archives: July 2019


Usage of Construction Bolts

Construction bolts are mainly used in the construction sector, so the quality requirements are relatively high. The building bolts can be used for the knotting between the inner and outer formwork of the wall formwork, to withstand the side pressure and other loads of the concrete, to ensure that the spacing of the inner and [...]

By |July 31st, 2019|Construction Bolts & Nuts|Comments Off on Usage of Construction Bolts

How to Choose High Strength Hex Bolts

High strength hex bolts refer to performance grades above 8.8. They are usually more common in 8.8 and 10.9 and have greater tensile strength. Therefore, they are mainly used in outdoor projects such as wind power and dynamic machinery. When selecting high-strength hex bolts, it is generally considered from the perspectives of raw materials, strength [...]

By |July 29th, 2019|High Strength Bolts|Comments Off on How to Choose High Strength Hex Bolts

Hexagon Bolt Manufacturing Process

In general, there are two Hexagon bolt manufacturing process, the first is the punch and the second is the filature. The advantage of this process is that the cost is lower, but the quality does not meet the high strength requirements. Here is a process for producing a hexagonal bolt using a cold heading machine. [...]

By |July 27th, 2019|Hex Bolts|Comments Off on Hexagon Bolt Manufacturing Process

Petrochemical Bolts

Petrochemical bolts are mainly used in the petroleum and chemical industries, and reasonable and safe use can achieve its maximum efficiency. Here is a brief introduction to how to use it correctly, so that everyone has a step closer understanding of petrochemical bolts. 1. It is best to use a drill bit that matches the [...]

By |July 25th, 2019|Heavy Hex Bolts, High Strength Bolts|Comments Off on Petrochemical Bolts

Breakage of High Strength Hex Socket Bolts

Although the quality of the high strength hex socket bolts is still relatively good, it can meet the basic strength requirements, but sometimes the fatigue strength is too large for us to imagine, and the high-strength hex bolts will also break. Here is a detailed analysis of the specific reasons: The high strength hex socket [...]

By |July 23rd, 2019|Hex Bolts, High Strength Bolts|Comments Off on Breakage of High Strength Hex Socket Bolts

Dacromet Hex Bolt

The Dacromet Hex Bolt refers to a hexagonal bolt that has been treated with the Dacromet process and is highly resistant to corrosion. The Dacromet process can resist the erosion of chloride ions, reform the defects of the traditional process of anti-corrosion, and put the anti-corrosion technology into a new stage. It can be said [...]

By |July 21st, 2019|Hex Bolts, Nuts|Comments Off on Dacromet Hex Bolt

Galvanized Hexagonal Bolts

Galvanized hexagonal bolts refer to the treatment of ordinary hexagonal bolts after degreasing, pickling and fluxing, soaking in molten zinc to obtain a zinc coating. It is characterized by durability, high reliability and time saving. Labor saving and excellent resilience. However, the Galvanized Hexagonal Bolts also have disadvantage, it is difficult to screw the bolt [...]

By |July 20th, 2019|Hex Bolts|Comments Off on Galvanized Hexagonal Bolts

High Strength Bolt and Common Bolt

The high strength bolt is the load that can be endured is larger than the ordinary bolt of the same specification. Common bolts are made of Q235 (A3). The material of high strength bolt is 35 # steel or other high quality material, which is heat treated after being made to improve the strength. The [...]

By |July 19th, 2019|High Strength Bolts|Comments Off on High Strength Bolt and Common Bolt

Advantage of High Strength Structure Bolts

High strength structure bolts can be called high strength bolts. High strength bolts are mostly used to connect bridges, rails, high-pressure and ultra-high-pressure equipment. The fracture of these bolts is brittle fracture. High strength bolts are used in ultra-high pressure equipment. Bolts, in order to ensure the sealing of containers, need to apply larger prestressing [...]

By |July 17th, 2019|High Strength Bolts, High Strength Structure Bolts|Comments Off on Advantage of High Strength Structure Bolts

Characteristics of Nuts

The nuts are fastener having an internal thread and used in conjunction with a bolt, a mechanical part having an internal thread and used in conjunction with the screw to transmit motion or power. The nut is a part that is screwed together with a bolt or a screw for fastening. All the original parts [...]

By |July 15th, 2019|DoWeDo News|Comments Off on Characteristics of Nuts

Problems with High Strength Fastener

At present, the development prospects of high strength fastener are good, but there are still some problems in domestic high-strength fasteners,following we will discuss about them. 1. Guarantee the load and the wedge load is unqualified. Guaranteed load and wedge load are the key items in the assessment of the mechanical properties of the product [...]

By |July 13th, 2019|Fastener|Comments Off on Problems with High Strength Fastener


Classification of T-bolts The T-bolt is literally known as the shape of the bolt like an uppercase English letter "T", which is a good name. According to its use, it can be divided into the following types: 1. T-bolt for Hafen channel steel, the most commonly used is 45# steel, cast, quenched and tempered; also [...]

By |July 11th, 2019|Plow Bolts|Comments Off on T-bolts

About Fastener Products

What can be used for fastener products? In fact, the standard parts are a type of mechanical parts that are used for fastening and are widely used. A wide variety of fasteners can be found on a variety of machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, meters and supplies. It is characterized [...]

By |July 11th, 2019|Fastener|Comments Off on About Fastener Products

What is the Embedded Part?

Most of the embedded parts are metal members, and steel plates and anchoring ribs are preliminarily left in the structure, which can be used to connect the structural members. It can be used as a connecting piece for fixing the post-process. Generally, the embedded parts should be processed according to the drawing, and then the [...]

By |July 9th, 2019|Bolt Types|Comments Off on What is the Embedded Part?

About Flange Bolts

Flange bolts consist of hexagonal head and flange disc (gasket under hexagonal and fixed hexagonal) and screw (cylindrical body with external threads). They need to be matched with nuts to fasten the parts connecting the two through holes. This connection form is called bolt connection. If the nut is screwed off from the bolt, the [...]

By |July 5th, 2019|Flange Head Bolts|Comments Off on About Flange Bolts
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