Self Drilling Screw Manufacturers

Jiaxing Chishing® is a China Wood Screw Manufacturers and China Self Drilling Screw Suppliers.Since its establishment,the company has been pioneering and innovating,adhering to the business philosophy of " professionalism,integrity and win-win",taking"the most reasonable price,the most perfect service and the best quality products"as the service purpose,and winning unanimous praise with excellent value and uncompromising quality in accordance with International Fastener manufacturing standards.With abundant financial resources,large-scale production,perfect marketing network and high-quality service,the company has an annual output of 6000 tons,and it sells well in more than 100 countries overseas and regions.

1.Self drilling screws is a kind of screw with drill bit. It is constructed by special electric tools. Drilling, tapping,fixing and locking are completed at one time.Self drilling and self tapping screws are mainly used for the connection and fixation of some thin plate parts,such as the connection between color steel plates and color steel plates,the connection between color steel plates and purl-ins,wall beams, etc.their penetration capacity is generally not more than 6mm, and not more than 12mm.

2.Self drilling screws are often exposed outdoors and have strong corrosion resistance;The rubber sealing ring can ensure that the screw is impermeable and has good corrosion resistance.

3.Self drilling screws are also suitable for wood materials,which are generally operated manually.

4.Self drilling screws is the combination of tap and bolt.The front is a tap and the back is a thread.On general soft materials, drill a hole and screw it in directly.The thread is tapped out by the tap,and then the bolt thread is strong.If the screw diameter is small,the material is soft.You may not even need to punch holes first, such as screwing into wood.

5.Self drilling screws are usually described by three parameters:screw diameter series,number of threads per inch length and screw length.There are 10 and 12 levels of screw diameters,and the corresponding screw diameters are 4.87mm and 5.43mm respectively;There are 14,16 and 24 threads per inch length.The more threads per inch length,the stronger the self drilling ability.