High Strength Bolts

//High Strength Bolts
  • ASTM A325

ASTM A325

ASTM A325 is an ASTM International standard for heavy hex structural bolts, titled Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength. It defines mechanical properties for bolts that range from 1⁄2 to 1 1⁄2 inches (13 to 38 mm) in diameter. The equivalent metric standard is ASTM A325M, which is [...]

  • DIN 6914 – Hex Bolts For High Strength Struct. Bolting

DIN 6914 Hex Bolts For High Strength Struct. Bolting

DIN 6914 Hex Bolts For High Strength Struct. Bolting DIN 6914 – Hex Bolts For High Strength Struct. Bolting manufacturers & suppliers in india, Carbon Steel/ Alloy Steel/ Stainless Steel DIN 6914 – Hex Bolts For High Strength Struct. Bolting manufacturers in india ISO 9001:2008 Certified Manufacturer & Suppliers Of SS DIN 6914 – Hex [...]

By |October 14th, 2019|Construction Bolts & Nuts, DoWeDo News, Hex Bolts, High Strength Bolts|Comments Off on DIN 6914 Hex Bolts For High Strength Struct. Bolting
  • Heavy Hex Bolts

Heavy Hex Bolts

Heavy Hex Bolts are designed for use in a variety of high temperature, high strength industrial applications, such as with steel fabrication and general construction. They feature a thicker head than standard or regular hex bolts, and offer a greater bearing surface that distributes the clamping load over a wider area. Heavy hex bolts can [...]

By |October 2nd, 2019|Construction Bolts & Nuts, Heavy Hex Bolts, Hex Bolts, High Strength Bolts|Comments Off on Heavy Hex Bolts

High Strength Hexagonal Bolts

Attention Problems in Installation of High Strength Hexagonal Bolts In the installation of high strength hexagonal bolt, we need to pay attention to the following matters to ensure the quality of high strength (including internal and external) hexagonal bolts. 1. Installation and construction of high-strength hexagonal bolt should be avoided in rainy and snowy weather [...]

By |September 24th, 2019|High Strength Bolts, High Strength Structure Bolts|Comments Off on High Strength Hexagonal Bolts

High Strength National Standard Bolts

There are five main ways to distinguish high strength national standard bolts from fake bolts: 1. Look at the logo, the packing box of the general bolt has the logo. It is divided into 8.8, 10.9 and 12.9 grades. Generally, there is no grade mark on the hexagonal plane of hexagonal bolts. Generally, high strength [...]

By |September 20th, 2019|High Strength Bolts, High Strength Structure Bolts|Comments Off on High Strength National Standard Bolts

High Strength Dacromet Bolt

High strength Dacromet bolt is treated by Dacromet, so what are the advantages? 1. Superior corrosion resistance. Unetched galvanized coatings are usually corroded by rainbow colored film with thickness of 1-3 micron for 20 hours in salt spray test. The corrosion resistance of Dacromet treated metal surface is about 10 times higher than that of [...]

By |September 10th, 2019|High Strength Bolts|Comments Off on High Strength Dacromet Bolt

High Strength Wind Power Bolt-Nut

High-strength wind power bolt-nut connection has no requirement for bolt fastening axial force, so the bolt fastening construction is based on operator's hand feeling and the shape control of connecting joint. Generally speaking, an operator can tighten the nut with ordinary wrench by his own strength to ensure that the connecting contact surface can be [...]

By |September 2nd, 2019|High Strength Bolts|Comments Off on High Strength Wind Power Bolt-Nut

Classification of High Strength Galvanized Bolts

High strength galvanized bolts can be divided into high-strength hot-dip galvanized bolt and high-strength cold-dip galvanized bolt according to different production processes. Generally, hot-dip galvanized bolts are used a little more, because the cold-dip will drop after a long time. Surface treatment of high strength galvanized bolts is generally based on customer requirements, the commonly [...]

By |August 3rd, 2019|High Strength Bolts|Comments Off on Classification of High Strength Galvanized 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

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

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

A490 Hex Structural Bolt

A490 Hex Structural Bolt is a form of threaded fastener with an external male thread. Bolts are thus closely related to, and often confused with, screws. A hex cap screw is a cap screw with a hexagonal head, designed to be driven by a wrench (spanner). An ASME B18.2.1 compliant cap screw has somewhat tighter [...]

By |June 22nd, 2019|Heavy Hex Bolts, Hex Bolts, High Strength Bolts|Comments Off on A490 Hex Structural Bolt

Process Flow of High Strength Bolt

Process Flow of High Strength Bolt: The process of nickel-phosphorus plating for high strength bolts consists of three parts: The first part is the pretreatment process, including pre-plating precision and appearance inspection of high strength bolts, manual degreasing, soaking degreasing, pickling, electroactivation and flash nickel plating. The second part is the process of electroless nickel [...]

By |June 15th, 2019|Fastener, High Strength Bolts|Comments Off on Process Flow of High Strength Bolt

High Strength Fasteners

High strength fasteners are conditioned according to technical requirements. Heat treatment quenching and tempering is to improve the comprehensive mechanical properties of fasteners to meet the required tensile strength and yield strength ratio of products. Heat treatment process has a vital impact on the internal quality of high-strength fasteners, especially its internal quality. Therefore, in [...]

By |June 13th, 2019|Fastener, High Strength Bolts, Screws|Comments Off on High Strength Fasteners

Bolt Threads Processing

Bolt threads are usually processed by cold, so that the thread blanks in a certain diameter range can be formed by rubbing (rolling) the screw plate (die), and by the pressure of the screw plate (rolling die). The plastic streamline of the threaded part can be obtained without cutting off, the strength is increased, the [...]

By |June 11th, 2019|Flange Head Bolts, Heavy Hex Bolts, Hex Bolts, High Strength Bolts|Comments Off on Bolt Threads Processing

Bolt Quality

Bolt Quality: Nowadays, advanced manufacturing represented by large aircraft, large power generation equipment, automobiles, high-speed trains, large ships and large complete sets of equipment will enter an important development direction. As a result, fasteners will enter an important stage of development. High strength bolts are used for connection of important machinery. Repeated disassembly or various [...]

By |June 5th, 2019|Heavy Hex Bolts, High Strength Bolts, Socket Head Bolts|Comments Off on Bolt Quality

Advantage of High Strength Bolts Nuts

High-strength bolts nuts connection has many advantages, such as simple construction, good mechanical performance, removable, fatigue resistance, and no loosening under dynamic load. It is a promising connection method. High strength bolt is a special wrench to tighten the nut, so that the bolt produces a huge and controlled pre-tension, through the nut and cushion [...]

By |June 3rd, 2019|Countersunk Bolt, Heavy Hex Bolts, High Strength Bolts|Comments Off on Advantage of High Strength Bolts Nuts

Difference between High Strength Bolt and Common Bolt

From the point of view of raw materials, material of High Strength Bolt and Common Bolt strength is different. High strength bolts are made of high strength materials. The bolts, nuts and washers of high strength bolts are made of high strength steel, commonly used in 45 steel, 40 boron steel, 20 manganese titanium boron [...]

By |May 27th, 2019|Carriage Bolts, Elevator Bolts, Heavy Hex Bolts, Hex Bolts, High Strength Bolts|Comments Off on Difference between High Strength Bolt and Common Bolt