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Supply black carbon steel flange nut with pad nut hexagonal flange face nut mold flange pressure plate nut 3/4 5/8

We have more than ten years of experience in screw industry production, the main products are: iron color zinc flat head rivet nuts, anti-theft bolts with columns, hexagonal screws, hexagonal plum blossom bakelite handles, hexagon socket fine pitch screws, precision flange nuts, aluminum profiles National Standard Slider Nuts, Flat Cone Head Bolts, DIN6798A, Torx Countersunk Head Screws, 304 Combination Bolts, CNC Car Parts, High Strength Hexagon Flange Screws and Nuts, Pure Titanium Screws, Power Industry Fasteners, Rivets and Other Fasteners , Due to the different materials and specifications of the products, the prices are also different, if necessary, please contact us.

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Product introduction

Screw Specifications

Screw head table

The post-treatment of nickel-phosphorus plating includes two main processes of driving hydrogen and polishing. ①Hydrogen drive; according to the relevant standards, the hydrogen drive temperature after plating is 200±10℃, and the treatment time is 2h. 200 ℃ is beneficial to eliminate hydrogen embrittlement, relax internal stress, improve the bonding force between the coating and the substrate, and improve the corrosion resistance of the coating. ②Polishing; the polished bolt has a bright appearance, but in order to better improve the quality of the coating, smooth the tiny traces, and obtain a bright mirror-like surface, the coating needs to be polished with a polishing machine.

Supply blackened carbon steel flange nuts

Cylindrical pins are widely used for positioning or connecting components on mechanical equipment, and the cylindrical pins are fixed in the pin holes by means of interference fit. Cylindrical pins are generally processed by a grinding machine and a punch former, but the above processing methods have complex operation procedures, high processing equipment and high processing costs.

Hexagon Flange Nuts with Washer Nuts

Die flange pressure plate nut

High-strength self-locking nuts are a category of self-locking nuts with high strength and reliability. It is mainly based on the introduction of European technology, which is used for road construction machinery, mining machinery, vibration machinery and equipment, etc. There are very few domestic manufacturers of such products.


The embossing wheel is used to press the mesh pattern (rolling mesh pattern), and the middle is slotted. After milling, the thread still guarantees 6H accuracy. This knurled copper nut is used in power tools, which is different from other knurled copper nuts. The diamond pattern of this knurled copper nut is located in the middle section of the product, and the diamond-shaped mesh knurling wheel rolls the diamond-shaped flower along the large outer circular step surface.


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