Hello! Welcome to the official website of Shenzhen qixingyuan mechanical equipment Co., Ltd!

National Service Hotline

15994761342(Wind knife business)

0755-27201304(Other accessories)

风刀厂家
Your current location : home >> News >> company news

ContactContact Us

Shenzhen Qixingyuan Machinery Equipment Co., Ltd.

TEL:0755-27201304 

E-mail:sale02@szqx01.com

Web: www.szqx01.com

           en.szqx01.com

Add.:Room 1117, 11th Floor, Building A, Tangshang Building, Xinqiao Street, Baoan District, Shenzhen

Add.:1st Floor, Building 8, Wanfeng Second Industrial Zone, Shajing Street, Baoan District, Shenzhen


The main feature of self-tapping screws?

2021-09-21 12:00:00
second

Main features of self-tapping screws


Although there are many varieties of self-tapping screws, they all have the following main characteristics:


(1) It is usually made of carburized steel (accounting for 99% of the total products). It can also be made of stainless steel or non-ferrous metals. Shenzhen screws

pp screw M6


(2) It is necessary for the product to pass heat treatment. Carbon steel self-tapping screws must be carburized, and stainless steel self-tapping screws must be solid solution hardened. In order to make the self-tapping screw reach the mechanical function and use function required by the standard.


(3) The product has high surface hardness and good core resistance. That is "soft inside and rigid outside." This is a major feature of the self-tapping screw function request. If the surface hardness is low, it cannot be screwed into the matrix; if the core has poor resistance, it will break once screwed, and it cannot be used. Therefore, "flexible inside and rigid outside" is a request for satisfactory use of self-tapping screws.


(4) The appearance of the product requires appearance protection treatment, usually electroplating treatment. Some products need to be treated with phosphate (phosphating). For example, self-tapping screws for wall panels are mostly phosphated. Self-tapping screws


(5) Produced with cold heading technology. It is recommended to select high-speed cold heading machines and high-speed thread rolling machines or high-speed planetary thread rolling machines to ensure the quality of goods. The head of the self-tapping screw produced in this way is well formed and the thread quality is high.


label

铝合金风刀类别

Shenzhen Qixingyuan Machinery Equipment Co., Ltd. copyright
Record No:粤ICP备2021109928号
support:songganghuaqi

Home            About            Products            News            Case

Solution     Message        Contact us        China           English

  • E-mail:sale02@szqx01.com

  • TEL:0755-27201304

  • QQ:1459900890

  • add.: 1st Floor, Building 8, No. 27, Wunipeng Road, Third Industrial Zone, Wanfeng Community, Xinqiao Street, Baoan District, Shenzhen


Wind knife manufacturers

Scan code consultation