Customized built-in expansion screw countersunk head hexagon inner expansion bolt pull explosion 3/8

We have more than ten years of production experience in the screw industry, the main products are: round head long screws, rivet nuts and nuts, galvanized/color-plated square nuts, stereotyped chemical anchor bolts, GR2TA2 screws, TeXiaohuasi mesons, On-knock hexagon socket head cap nuts, wholesale type 2 nuts, nylon external screws, conical washers, CNC car parts, Dacromet hexagon screws, ingot big ears, GB55, square T-type sliders and other fasteners, due to the product material and Specifications vary, prices vary, please contact us if necessary.

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Product introduction

Screw Specifications

Screw head table

The one-way nut provided by Guangdong Yueluo Hardware Industry Co., Ltd. has the following characteristics: a. It is composed of a screw sleeve 1, a threaded core 2, a cover 3, a spring 4 and a bead 5; b. There is a stop 7 on the outer edge of the core 2 and a ring of grooves 8; c. The screw sleeve 1 is sleeved on the screw core 2; d. 4 is enclosed in hole 6.

Custom built-in expansion screws

The isolating switch in the substation has a large workload for maintenance. The transmission parts such as the isolating switch connecting rod are mostly connected by cylindrical pins. The shaft-pin fit is generally 1mm, which is tight. If the cylindrical pin is disassembled during the maintenance process, it is often due to corrosion and mechanical deformation. It is difficult to proceed smoothly for other reasons, and if the working environment is a small space, it is more difficult to disassemble. In traditional operations, grinding, hard prying, or beating with a hand hammer are often used to disassemble, which will further deform the pins, and when the space is small, it is difficult to use tools such as hand hammers. solve.

Countersunk head hexagon

Internal expansion bolt

Stainless steel screws, as the name suggests, must be made of stainless steel screw wire, and then screw the screw thread. Many of the properties of stainless steel screws are related to stainless steel. Taking into account the properties and organization of stainless steel, understand the properties of stainless steel materials and other aspects. Therefore, it is understood that stainless steel has good mechanical properties such as anti-rust, anti-corrosion, high temperature resistance, etc., then stainless steel screws also have these good mechanical properties. With the increasing quality of stainless steel materials. The mechanical properties of stainless steel screws produced by the screw industry are getting better and better. Anti-rust, anti-corrosion ability, and high temperature and high pressure are getting stronger and stronger.

Pull up

In another embodiment of Guangdong Yueluo Hardware Industrial Co., Ltd., the conveying device 3 includes a motor 31 and a circular rotating disk 34, the motor 31 drives the circular rotating disk 34 to rotate, and the circular rotating disk 34 is evenly provided with screws in the circumferential direction. The matching screw accommodating hole 35, the screw enters the screw accommodating hole 35, the motor 31 drives the circular rotating plate 34 to rotate, so that the screw is first slotted by the cutting wheel 42, and then polished by the fixing wheel 48, and the screw is in the screw accommodating hole 35. It is fixed, which is more secure and reliable during the slotting process. Preferably, the circular rotating disk 34 includes a circular rotating disk 32 and a sector-shaped fixed disk 33. The circular rotating disk 32 is evenly provided with screw receiving recesses matching the screws in the circumferential direction, and the recesses and the sector-shaped fixed disk 33 are formed with the screws The matching screw receiving holes face the cutting wheel 42 and the fixing wheel 56 .

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Cooperation Case

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