Customized 304 stainless steel cross recessed disc head triangular teeth self-tapping locking screw wardrobe electrical screw 1/2-13

We have more than ten years of production experience in the screw industry, the main products are: Torx screw bolts, dovetail screws, square head clip nuts, double-headed stud screws, four-corner non-slip nuts, set combination pan head screws and nuts, hooks plus long triangle ring expansion bolts , Special Weld Nuts, Cylindrical End Set Screws, Two-Headed Screws, I-beam Snap Ring Screws, Hexagon Socket Anodized Blackened Bolts, Type Nuts, T-Blocks, T-Slot Clamp Nuts, DIN6927 Hexagon Flange Face Locking Nuts, American screws 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

screw assembly includes a screw body, a spring and a mounting plate, the screw body includes a nut and a screw, the top of the screw is provided with a polygonal notch, the screw is composed of upper and lower parts, and the diameter of the upper part of the screw is larger than that of the lower part of the screw A slot is arranged at the lower end of the upper part of the screw rod; a slot corresponding to the spring is arranged on the mounting plate, and an extension slot is arranged in the slot, and the extension slot is L-shaped; an extension body is arranged at one end of the spring , the extension body corresponds to the extension slot; the spring is installed between the nut and the mounting plate, and the spring extension body is installed in the slot extension slot. Guangdong Yueluo Hardware Industry Co., Ltd. has the following advantages: it can prevent the spring from rotating with the rotation of the screw, the structure is simple, and the use is convenient.

Custom 304 Stainless Steel

concealed screw fastener includes a washer, a screw and a shield, one end of the screw is provided with an end cap, the screw penetrates the washer and the end cap is supported on the washer, and the shield covers the end of the screw The cap is peripheral and connected to the gasket. When in use, firstly pass the screw through the washer and then drive it into the screw hole of the connected piece, and then cover the shield on the outer circumference of the end cap of the screw and connect it with the washer.

Cross recessed disc head

Triangular self-tapping locking screw

Today's advanced manufacturing represented by large aircraft, large power generation equipment, automobiles, high-speed trains, large ships, and large complete sets of equipment has entered an important development direction. As a result, fasteners will enter an important stage of development. High-strength bolts are used for the connection of important machinery, and repeated disassembly or various installation torque methods require extremely high-strength bolts. Therefore, the quality of its surface condition and thread accuracy will directly affect the service life and safety of the host. In order to improve the friction coefficient and avoid corrosion, seizure or sticking during use, the technical requirements stipulate that the surface should be treated with nickel phosphorus plating. The thickness of the coating is guaranteed to be within the range of 0.02 to 0.03 mm, and the coating is uniform, dense, and free of pinholes.

Wardrobe electrical screws

screw generally includes a screw head, a screw part and a screw tail. In the traditional screw processing, the screw head and the screw part are punched out first, and then the threaded part is processed on the screw shank through the turning process. When the screw head is traditionally punched, the screw head is easily damaged due to the large punching force.


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