About this item

This 155mm Bi-Metal M42 HSS Hole Saw is engineered for demanding drilling tasks. Made from premium M42 high-speed steel, it combines exceptional hardness with heat and wear resistance, maintaining sharpness even during extended high-speed operation. The bi-metal construction flexes without cracking, reducing deformation under load. Sharp Performance, Long Life The cutting teeth (≥65 HRC) stay keen through tough materials. The flexible body absorbs stress, extending blade life and delivering cleaner cuts in PVC, gypsum board, wood, plastic, rubber, and thin metals. User-Friendly Design Spring-eject system automatically pushes out cut disc after drilling. Multi-hole pattern improves chip evacuation, preventing clogging in thick materials. Universal shank fits most electric and cordless drills for quick, secure mounting. Clear size markings ensure easy identification and selection. Ideal for Trade and DIY Perfect for plumbers, electricians, HVAC installers, home renovators, and workshop tasks. Experience consistent, efficient cutting with every use.