Heavy-Duty Jobber Drill Bit, High Speed Cobalt, 1/2", 6" L, 1-1/2" Flute, 135° Point Angle Starting Punches Plate colour indicates disc density

Plate colour indicates disc density for easy identification in the workroom

Co­molded ergo grip for maximum comfort

Proven to outperform traditional alumina zirconia coated abrasives

Brass washer on each hinge permits smooth

Heavy-Duty Jobber Drill Bit, High Speed Cobalt, 1/2", 6" L, 1-1/2" Flute, 135° Point Angle Starting Punches Plate colour indicates disc density5% Cobalt for higher heat and abrasion resistance Heavy duty web construction for strength and durability 135 split point begins drilling immediately, minimizing bit "walk" For tough metal drilling, including heavy duty abrasive alloy metal drilling on hardened steel (heat treated) Specifications Material High Speed Cobalt Drill Size 1 2" Decimal Drill Size 0. 5" Overall Length 6" Flute Length 1 1 2" Point Angle 135 Country Of Origin China