These TIMco Black phosphate coarse thread drylining screws are made from C10-18 steel and manufactured to JIS B1125 (1995) and independently tested to IFI specification ASTM C1002-89. The TIMco range of premium quality drywall screws carry the CE mark in compliance Construction Products Regulations (European Regulation No. 305/2011 .
- Size: M3.5 x 32mm
- Head Size: Phillips No 2 driver
- Head Type: Phillips bugle head
- Coarse thread 25› super sharp point for ease of penetration
- Plating: Black phosphate to withstand 50 hours (minimum) salt spray test
- Strength: Surface hardened up to 750 HV to prevent torque shearing under load and core hardened upto 450HV to improve ductility
- Quantity: Pack of 1000 with FREE driver bit
- Designed to secure plasterboard to timber stud work
- Drywall screws should be driven straight and the heads slightly below the surface plane - use the drywall insertion bit with depth stop 2PH25DWCGJ
- Once inserted screws should be sealed and taped to avoid contact with wet plaster