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Customized 304 butterfly nut 201 stainless steel nut claw nut ingot hand screw nut 1/2-13

We have more than ten years of production experience in the screw industry, the main products are: blind hole through nut, set of crib solid wood bed connection accessories, middle hexagon screw, sample book screw, half-moon pad/half-circle pad/half-moon nut, combination bolts, processing Bolts, hand percussion rivets, copper rivets, cup head combination bolts with flat spring washers, cylindrical nuts, nickel-plated washers, screw studs, rivet nuts, aircraft circuit board pads, semi-fine teeth Fasteners such as screws, due to the different materials and specifications of the products, the prices are also different, please contact us if necessary.

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Product introduction

Screw Specifications

Screw head table

Subway tunnels can be divided into rectangular, arched, circular, and elliptical end face forms according to the section shape of the section tunnel. The rectangular end face can be divided into single-span, double-span and multi-span types. There are two types of circles. The subway tunnel needs to install electromechanical equipment through bolts, insert T-shaped bolts into the preset holes on the shield plate of the subway tunnel, and then cast and fix it. The bolts are smooth and the contact surface is small. The bolts installed in the shield plate are easy to fall off, causing the installed equipment to fall and damage or causing losses to pedestrians or vehicles passing in the tunnel. Therefore, it is necessary to further improve the current bolts.

Custom 304 wing nut

A nut is a nut, a part that is screwed together with a bolt or screw for fastening. A component that must be used in all production and manufacturing machinery is divided into carbon steel, stainless steel, non-ferrous metals (such as copper), etc. several types.

201 stainless steel nut

Claw Nut

The earliest rivets were small pegs made of wood or bone, and the earliest metal variants may be the ancestors of what we know as rivets. They are without a doubt the oldest known method of joining metals, dating back as far as the earliest use of malleable metals, eg: Bronze Age Egyptians riveted the six wooden sectors of the outer lines of a slotted wheel with rivets Fastened together, after the Greeks had succeeded in casting large statues in bronze, the parts were riveted together with rivets.

Ingot hand screw nut

In the existing life, repair parts are often used to repair the cassettes with damaged screw holes, and the screw holes on the repair parts are used instead of the original damaged cassette screw holes. However, in the prior art (application number: 201520948368.1), the restoration is fixed by rotating the support of the restoration, which is often inconvenient due to the small space of the cassette. In addition, the set screw in the prior art mainly fastens the object through the end of the screw without threaded holes, which makes it difficult to install external screws. Based on this, a method of extruding the support through a set screw with screw installation holes and tightening the repair piece, and then installing the screw on the set screw, will facilitate the quick installation and use of the repair piece.


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