Irwin 3018002 Drill Bit Set, M35 Cobalt Steel, 29 pc.

Drill Bit Set, 29 Piece, Cobalt, 1/16″ to 1/2″, by 64ths, with 3/8″ Reduced Shanks, in Metal Index Cobalt steel extends cutting edge even after resharpening. 135-degree split-point tip starts on contact, cuts with less force. Reduced shank above 3/8″ allows for use of larger drill bits in a 3/8 ” chuck. Set includes sizes: 1/16″; 5/64″; 3/32″; 7/64″; 1/8″; 9/64″; 5/32″; 11/64″; 3/16″; 13/64″; 7/32″; 15/16″; 1/4″; 17/64″; 9/32″; 19/64″; 5/16″; 21/64″; 11/32″; 23/64″; 3/8″; 25/64″; 13/32″; 27/64 “; 7/16″; 29/64″; 15/32″; 31/64″; and 1/2”.

Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel. Made from industrial grade High-speed steel for increased durability. 8% Cobalt alloy is heat and abrasion-resistant. 135-degree split-point tip starts drilling immediately with less force and eliminates “walking” across the work surface. Metal index case for easy bit access and identification. Includes drill bit sizes 1/16- to 1/2-inch in 1/64-inch increments. IRWIN Tools Cobalt High-Speed Steel Drill Bit, 29-Piece Metal Index Set (3018002).