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ASTM A194 Hex Nuts

Stud Bolt ASTM A193 GR. B7

F436 Hardened Flat Washers

A563 DH Nut

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Industry News

2023.05.10

Manufacturing Capabilities

Ningbo ASME Fastener Factory covers an area of 52,800 square meters and has more than 150 employees, including more than 30 senior technicians. The factory area includes raw material stacking warehouse, heat treatment production line, hot pier workshop, cold heading workshop, surface treatment production line, packaging workshop, cargo warehouse, and QC laboratory. Our production facilities are multi-station cold heading machines, forging machine tools, quenching complete sets of equipment, tempering furnaces and thread rolling machines and more. Testing equipment: Tensile testing machine, metallographic analyzer, hardness testing instrument, low temperature impact testing instrument and spectrometer.

Manufacturing Capabilities

2023.03.27

Select the screws according to the thread size

The thread size consists of two parameters – outside diameter and pitch. The outside diameter is the maximum diameter of the thread. Pitch refers to the distance between adjacent threads.

Select the screws according to the thread size

2023.03.27

Learn the common sense of threaded fasteners

This article will visually introduce some of the different types of screws and bolts, focusing on different screw heads, driver types and bearing faces. The "bearing surface", also known as the underside of the screw head, is where the fastener head makes contact with the device. To improve tensile strength; Some bolts and screws have shoulders set under the head.

Learn the common sense of threaded fasteners

2023.03.27

What aspects should be paid attention to when maintaining anchor bolts?

The welding of the lower bolt and the fixing frame is firm, and attention should also be paid to bolt fixation, vertical and horizontal welding scissor support. Anchor bolts must be kept in a smooth environment and cannot accumulate in a humid environment for a long time. If it is too wet, some oxidation will occur on the surface, so keep it in a ventilation station

What aspects should be paid attention to when maintaining anchor bolts?
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