Ck fast4 wood drill bit ck tools t2943 25 4 blades offering faster waste removal and 100 more cutting blade than a flat or auger bit cutting edges ground with spur blades for clean hole profile and breakout screw point allows accurate positioning and pulls the bit through with less effort class leading cutting speeds hex drive shaft with fast change docking facility ck tools t2943 25 fast4 wood drill bit 25mm