TOP Kogyo Step Drill Bit for Bolt Pilot Holes ESD-512B

• For drilling pilot holes for bolts • For pilot holes for M5, M6, M8, M10 and M12 bolts • Spiral blade with good bite and light cutting action • Compatible materials: steel plate (3mm), stainless steel plate (2mm), aluminum plate, plastic, wood, etc. • The cutting edge is thinned, allowing drilling at an accurate position • Compatible with 18V impact drivers [Caution] • For cordless drill drivers, use 12V or higher • The drill generates heat during use, so touching it with bare hands risks burns • Do not use the tool for any purpose other than its intended use • Do not use on heat-treated metal plates • Note: Always use cutting oil on stainless steel plates