2 HSS‑R Drill Bits 4415‑18.50

Precision 18.50 mm drill bits for metal, bronze, brass, cast iron and alloy steel. High-speed steel (HSS) with laminated spiral for exceptional durability and reduced wear. Robust 118° cutting angle delivers efficient chip evacuation and smooth drilling. Package of 2 bits per tube – ready to use with drill‑drivers and electric drills. Corrosion‑resistant black oxide finish extends lifespan and keeps bits clean.