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Screw manufacturer

09-21 2023

How to select combination screw

The function of the combined screw: it has perfect ability to fasten the crimping line. It is a supporting high and low voltage contact, high and low voltage air conditioning wiring, and the current and voltage of electrical appliances, power, frequency, and performance are significantly improved. C
09-21 2023

Four major tests for special quality of fasteners

Meaning of bolt classification and performance grade bolt: a kind of fastener composed of head and screw (cylinder with external thread), which needs to be matched with nut to fasten and connect two parts with through holes.This type of connection is called bolt connection. If the nut is unscrewed f
09-21 2023

Basic knowledge of fasteners (function part) function

1. Screw torque requirements: the torque of the outer hexagon screw is relatively larger, the torque of the inner hexagon screw is smaller, and the torque of the cross groove is smaller (therefore, these screws are generally ordinary grade screws).2. External hexagonal bolts are generally assembled
09-21 2023

Basic knowledge of fasteners (specification Part) describes the parameters to be indicated for faste

The basic knowledge of fasteners (specification Part) describes the parameters of fasteners that need to be marked: product name (standard), specification, material, strength grade and surface treatment. Such as DIN912, m4-0.7x8, SCM435, grade 12.9, blackening.1. Product name (standard): Note: for s
09-21 2023

Meaning of bolt classification and performance level

First class quality assurance system, perfect quality assuranceFour major tests for special quality of fasteners in order to make fasteners get better performance, we carry out four major tests for special quality of fasteners.1、 Hardness and strength:In the inspection of threaded fasteners, it is

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