Threaded Clips For Sheet Metal

The elastic clamping arm of Threaded Clips For Sheet Metal adopts a bending design, and its open U-shaped structure can automatically adapt to sheet edges of different thicknesses without manual adjustment. According to the ISO 2768 stipulations on the dimensional tolerance of elastic elements, the clamping opening width of the buckle is plus or minus 0.3 mm of the plate thickness in the free state. During actual installation, the elastic deformation of the material is used to generate the clamping force. For cold-rolled steel plates with thicknesses ranging from 0.8 mm to 2.5 mm, the clamping force fluctuates by no more than 15%. This allows the buckle of the same specification to be used in multiple plate thicknesses, reducing the types of parts. At the same time, the back of the buckle is equipped with micro ribs. According to the ASTM D1894 friction coefficient test, the kinetic friction coefficient of the contact surface with the plate is about 0.3, which effectively prevents the buckle from axial displacement during the tightening process and ensures the accurate alignment of the threaded hole and the bolt.

 

 

In situations where high temperature or fire protection requirements are high, stainless steel material can be used instead of ordinary carbon steel for threaded buckles for thin plates. Its temperature resistance depends on the oxidation resistance of the base material. According to ASTM A240's regulations for stainless steel 304, when the material's continuous operating temperature is below 400 degrees Celsius, its yield strength remains above 70% of room temperature, which is about 140 MPa, while the yield strength of carbon steel has dropped to less than 50% of room temperature at 300 degrees Celsius. In addition, in the thermal cycle test of the thread of the stainless steel buckle, according to the ISO 16047 torque-clamping force test method, when the temperature rises from room temperature to 300 degrees Celsius and is cycled twenty times, the clamping force attenuation rate of the M6 ​​buckle is only 8%, which is lower than the 18% of the carbon steel buckle, which shows that its thermal stability is better. Based on this, stainless steel threaded buckles are preferentially applied to the connection nodes of high-temperature pipe brackets and engine cabin heat shields, which can still maintain reliable thread engagement and fixation performance under long-term heat exposure.

 

 

 

 

 

 

 

 

Get drawings from customers, or design drawings according to customers' detail requests or sample.

The two parties confirm the details of the drawings and product raw materials, surface treatment, etc.

 

 

 

 

Quote and confirm order quantity, specify all the details including trade terms, payment terms, type of package, etc.

 

 

 

Design and Make tooling according to the confirmed drawing, do the modification if needed while testing.

 

 

 

Make first samples and inspect them according to the drawing strictly.

Send to the customer for approval after internal approval.

 

 

 

Strictly produce the goods as per the drawings and first samples.

Packed well after final inspection and ship to customers.

 

 

 

 

 

 

 

 

 

 

 

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