Product Description: Roofing Screw be used in building or construction. To avoid head broken and getting rusty after using for a while, this part should be passed salt spray test and hydrogen embrittlement test strictly. Our company is a professional manufacturer in hard...
Product Description: Self-Drilling Screw can drill into thickness test plate, because their hardness condition is higher than Tapping Screw. Our advantage is #4PT & #5PT that can drill into 5mm thickness of sheet metal plate for testing. The thread of SDS will not ca...
Product Description: 1. Coarse threads makes it ideal for penentrating and holding into wooden framing studs and subflooring.
2. High-valued specialty fasteners.