Simpson 0.390 x 7 7/8" Strong-Drive SDCP TIMBER-CP Screw T40, Yellow Zinc PACK:250 Pk Full round head with 3/8"

Full round head with 3/8" head diameter - provides a large bearing surface that holds roofing materials securely against the deck without tearing through the material

and how does it affect cut quality

making it suitable for environments where standard steel would be prone to significant corrosion

Wheel Diameter: 12 in

Simpson 0.390 x 7 7/8" Strong-Drive SDCP TIMBER-CP Screw T40, Yellow Zinc PACK:250 Pk Full round head with 3/8"The Simpson Strong Drive SDCP Timber CP Screw with T40 6 Lobe drive, 0. 390 x 7 7 8 inch, Yellow Zinc Coated is a structural fastener engineered for cross laminated timber construction, mass timber construction, and general interior applications. Designed by Simpson to pull structural members together with exceptional holding power, this partially threaded screw delivers the precision and reliability that demanding timber framing connections require.