Modified Truss Head Self Drilling Screw

Haiyan Jinrun Metal Products Co., LTD., is a high-quality screw manufacturer, has its own factory, professional technical team and service team,Modified truss head self drilling screw is the company's main production and hot sales of products, the diameter of the products are mainly 4.2 and 4.8 varieties, length from 13mm to 75mm, conventional length we have stock. Convenient for customers to purchase at any time, the product head is round and smooth, after drilling into the metal plate can be almost flat with the matal plate, widely used in various fields such as construction.

Length: from 13mm-70mm
1.PHIL TYPE. :#2
2.RECESS DEPTH:2.0--2.3
3.2.HEAT TREATMENT:CASE HARDNESS>=450HV0.3
CORE HARDNESS<=270HV3905
4.EFFECTIVECASE DEPTH:0.10--0.23
5.CORE DIA.:3.30±0.1