The Trend Rota & ndash Tip Replacement Screws are tapered head replacement screws for Trend Rota- Tip router cutters. They are high quality replacement screws providing the correct fixings to secure the Rota-Tip blades for maximum performance. The Torx head fitting ensure secure tightening pressure when fitting blades, the 6mm tapered head provide correct clamping pressure to the blades for safe operation and ensures the Rota-Tip cutters are always ready to go. Specifications Head type tapered x 6 mm diameter. Thread M3.5 x 0.6. Thread length 5 mm. Driver type Torx.