M5 M6 Stainless steel L Type and J Type metal bolt with nut washer assortment SUS304 SUS316 A2-70 A4

Uses:

• Fixed footbolt is also called short footbolt, it is poured together with the foundation and used to fix the equipment without strong vibration and shock.
• Activity foot bolt also known as long foot bolt, is a kind of removable foot bolt, used to fix the work of strong vibration and shock of heavy machinery and equipment.
• Expansion anchor anchor bolt is often used to fix the static simple equipment or auxiliary equipment.
• Bonding anchor bolt is a kind of anchor bolt commonly used in recent years.

Installation:

• One time burying method: when pouring concrete, bury the ground bolt.
• Pre-reserved hole method: When the equipment is in place, clean the holes, put the foot bolts into the holes, and then use non-shrinkage fine gravel concrete.

The role of combination screws
High-strength large hexagon head bolts combination screws for steel structure are mainly used in railway and highway bridges, boiler steel structure, industrial plants, high-rise civil buildings, tower mast structure, lifting machinery and its steel structure need to use friction-type high-strength bolts combination screws occasions. Characterised by the bolt, also known as the end of the bolt more than one dodecagonal body. Installation, shall use a special electric spanner, the top and bottom of the two socket head, a set of hexagonal body in the nut, another set of hexagonal screws in the ten dodecagonal body. When tightening, the nut to apply clockwise force distance, the bolt twelve angle body to apply an equal size counterclockwise force distance, so that the end of the hexagonal screw and twelve angle body connected to the neck to withstand twisting and shearing, to the neck to cut off until the end of the installation began to end. This twisted shear type high-strength hexagonal screws for a one-time use of screws, installation generally can not be dismantled.

The role of the combination of screws is also very simple, is connected to fasten the product object, because it is a pop-up flat pad rubbing good teeth in the screws, the use of the use of flat pads do not need to match the pop-up flat pads. And in use, the combination of screws and a particularly large role, is the role of anti-loosening.

Applications:

There are two main ways to judge the hardness of steel, which are Brinell hardness in HB and Rockwell hardness. Steel can be improved by mixing it with alloys, for example by adding carbon, known as carbon steel, which increases its hardness and rigidity but decreases its toughness and plasticity.

The properties of steel can vary after different types of processing, with a focus on quenching and tempering. Quenching is the process of heating steel to over 723 degrees and then soaking it in water for a rapid cool down to increase the hardness. Tempering means heating the steel to over 723 degrees and then cooling it slowly to increase its strength and toughness.

Material Composition: