Forged Mechanical Fastener

Mechanical lock
Forged pin
Customized bolt
Customized nut
Weld on boss

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Product Introduction

Categorize

Mechanical lock
Forged pin
Customized bolt
Customized nut
Weld on boss
Customized locks for G.E.T
Mining G.E.T lock customization
Back-up plate
Washers for pin and bolt

Material Types

40Cr forging, 40CrMo forging, 42CrMo forging

Ability

HR is skilled in manufacturing various types of fasteners which can be used in surface mining field, underground mining field, construction machinery and mining machinery, especially for companies with independent design and research capabilities. HR is proficient in the applications of materials of materials such as nylon and rubber connected with forging steel in fasteners, and HR has been successful templates for cooperation with well-known companies.
Regarding various surface and precision requirement, HR has has auxiliary advantages in silica sol casting and CNC machining.

FAQ

Q: Why do forged fasteners need to be used for heavy-duty mining machinery parts?

A: One of the most important points is that forged fasteners have a higher density, comparing to cast fasteners, the stress in some key positions is much smaller. In cases where the material and treat treat difference is not significant, forged fasteners have higher strength, and there are very few cases of pores and cracks. meanwhile mass production can bring better quality stability to fasteners.

Q: What is strength grade of HR customized fasteners?

A: Like grade 12.9 bolts, pins HR produced can also have this strength.

Q: What is the difference of cold forging and hot forging?

A: The characteristics of cold forging are: high dimensional accuracy, good surface roughness, good working conditions, and high production efficiency. The characteristic of hot forging is to reduce the deformation resistance of the metal, change the as-cast structure of the steel ingot, and improve the plasticity of the steel. This is particularly important for some high alloy steels that are brittle and difficult to forge at low temperatures.

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