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Properties Of Hexagon Bolts

The performance grade of bolts for steel structure connection is divided into more than 10 grades such as 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, etc.

Standard Basis For Nuts

According to the properties of nuts, there are mainly national standard (GB), German standard (DIN), international standard (ISO), Japanese standard (JIS), American standard (ASTM/ANSI) and other s...

Tin Plating Process For Hexagon Bolts

Tin is a silver-white metal, non-toxic, with good weldability and ductility. Widely used in electronics, food, automobile and other industries.

Classification Of Hexagon Bolts

According to the force mode of the connection, there are ordinary ones and those with reaming holes.

Introduction To Hexagon Bolts

Hexagon bolts are hexagon head bolts (partial thread) - grade C and hex head bolts (full thread) - grade C. Also known as hexagon head bolts (rough) hair hexagon head bolts, black iron screws.

A Brief History Of The Invention Of The Screw

The first person to describe the spiral was the Greek scientist Archimedes (c. 287 BC - 212 BC). An Archimedes screw is a huge spiral contained

The Basic Meaning Of Screws

Screw, some people call it "screw", "screw" (screw rod). In fact, the screw is a general term, and the screw and the screw rod are different from each other.

What Is A Screw

A screw is a tool that uses the physical and mathematical principles of the circular rotation and friction of an object to fasten the mechanism of the object step by step.

Anti-loosening Principle Of Nuts

The DISC-LOCK lock nut is composed of two parts, each part has staggered cams, due to the internal wedge design slope angle is greater than the nut angle of the bolt