... Spade bits (Flat bits) BORING BIT(NORMAL, 1/4" hex, LONG, SET, TRI-POINT, Titanium Coated, WITH CURVED CUTTER, Flat Wood Bit/Wood Boring Bit ... drilling accurate, splinter-free holes in soft wood, hard wood, plywood and hardboard.Diameter: 3 -26mm (1/8" -1")Length: ... /2")Length: 60 -150mm8 PCS WOOD WORKING DRILLS SET SPECIFICATION(MM):3,4,5,6,7,8,9, ... ): 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4 ...