Alpha cobalt jobber drill bits – imperial – for hard metal

Description Alpha imperial cobalt drills are made extra tough from cobalt hardened steel for drilling hard, high tensile metal. Available in a wide variety of sizes. Features: Protects against the build up of heat Excellent strength and durability for an extended product life Single ended drill Suitable for substrates such as stainless steel, hardened steel, cast iron and bronze Alpha imperial cobalt drills – quick reference Code Size Specs Qty 9LI116CO 01.59 x 23mm fl, 1/16″ cobalt 1 9LI10564CO 01.98 x 25mm fl, 5/64″ cobalt 1 9LI332CO 02.38mm x 89mm fl, 3/32″ cobalt 1 9LI764CO 02.78mm x 73mm fl, 7/64″ cobalt 1 9LI18CO 03.17 x 42mm fl, 1/8″ cobalt 1 9LI0964CO 03.57 x 41mm fl, 9/64″ cobalt 1 9LI532CO 03.97mm x 53mm fl, 5/32″ cobalt 1 9LI1164CO 04.37 x 55mm fl, 11/64″ cobalt 1 9LI0316CO 04.76 x 59mm fl, 3/16″ cobalt 1 9LI1364CO 05.16 x 64mm fl, 13/64″ cobalt 1 9LI732CO 05.56mm x 63mm fl, 7/32″ cobalt 1 9LI1564CO 05.95 x 67mm fl, 15/64″ cobalt 1 9LI14CO 06.35 x 70mm fl, 1/4″ cobalt 1 9LI1764CO 06.75 x 73mm fl, 17/64″ cobalt 1 9LI932CO 07.14mm x 75mm fl, 9/32″ cobalt 1 9LI1964CO 07.54 x 81mm fl, 19/64″ cobalt 1 9LI516CO 07.94mm x 81mm fl, 5/16″ cobalt 1 9LI2164CO 08.33mm x 85mm fl, 21/64″ cobalt 1 9LI1132CO 08.73 x 86mm fl, 11/32″ cobalt 1 9LI2364CO 09.13mm x 89mm fl , 23/64″ cobalt 1 9LI38CO 09.53mm x 81mm fl, 3/8″ cobalt 1 9LI2564CO 09.92mm x 95mm fl, 25/64″ cobalt 1 9LI1332CO 10.32 x 94mm fl, 13/32″ cobalt 1 9LI2764CO 10.72mm x 94mm fl, 27/64″ cobalt 1 9LI716CO 11.11mm x 103mm fl, 7/16″ cobalt 1 9LI2964CO 11.51mm x 106mm fl, 29/64″ cobalt 1 9LI1532CO 11.91 x 112mm fl, 15/32″ cobalt 1 9LI3164CO 12.30mm x 111mm fl, 31/64″ cobalt 1 9LI12CO 12.70 x 114mm fl, 1/2″ cobalt 1 Imperial cobalt drills are often referred to as cobalt jobbers.