Monthly Archives: October 2020

//October

How to Avoid Stainless Steel Hexagon Bolt Rusting?

What are the causes of stainless steel hexagon bolt rusting? How to avoid it? 1. The surface of stainless steel hexagon bolt adheres organic juice (such as melon and vegetable, noodle soup, phlegm, etc.) and forms organic acid under the condition of water and oxygen. The corrosion of organic acid on metal surface will rust [...]

By |October 30th, 2020|A193, A307, A325, ASTM International Standard, Bolt Types, Hex Bolts, Stainless Steel Bolts|Comments Off on How to Avoid Stainless Steel Hexagon Bolt Rusting?

Removal of Worn Inner Hexagon Bolts

There are many parts of machinery and equipment that use inner hexagon bolts to fix parts. However, because they are often disassembled, the inner hexagon of the bolts is easy to grind round, and it is difficult to remove them with the hexagon wrench. This paper introduces two methods of hexagonal nut hexagon bolt parts, [...]

By |October 28th, 2020|A563, ASTM International Standard, Bolt Types, Heavy Hex Bolts, Hex Bolts, Hexagon Bolt, High Strength Bolts, Socket Head Bolts|Comments Off on Removal of Worn Inner Hexagon Bolts

High Strength External Hexagon Combination Screw

Introduction to High strength external hexagon combination screw for buildings and workshops: High strength external hexagon combination bolt for steel structure is mainly used in railway and highway bridge, boiler steel structure, industrial workshop, high-rise civil building, tower and mast structure, hoisting machinery and steel structure where friction type high-strength bolt combination screw is required. [...]

High Strength Steel Structure Bolts Replace High Strength Bolts

What problems should be paid attention to when high strength steel structure bolts replace high strength bolts? 1) When the hole position is not correct, forced alignment will damage the thread of high strength bolt, resulting in the change of torque coefficient and pre tension. 2) It is possible that the internal stress in the [...]

By |October 8th, 2020|Bolt Types, High Strength Bolts, High Strength Structure Bolts, Stainless Steel Bolts, Structural Bolts|Comments Off on High Strength Steel Structure Bolts Replace High Strength Bolts