A high performance, all purpose screw for masonry, hardwood, softwood, fiber boards, sheet steel, plastic and more. Many sizes available. It has a yellow net-coat and a Tri-Lock TS thread form. Free bit included. Ribs: Ream and self countersink the screw. Quality: ISO 9002. Tri Lock TS is a unique thread form that utilizes a twin and single thread on the same screw, enabling a permanent fix and high pull out retention while cutting insertion torque by 25%. Will not work loose over time.
- Twin thread balances pick-up
- Single thread high pull-out retention
- Part thread eliminates parting between jointed material
- CPT Hardened ductility and toughness in one