Individual drill bit part numbers follow this numbering sequence; KTIXD3107 is 1/16″, KTIXD3108 is 5/64″, KTIXD3109 is 3/32″. KTIXD3133 is 15/32″, KTIXD3134 is 31/64″, KTIXD3135 is 1/2″. The Speedy Tip design eliminates the need for pilot holes and prevents the bit from walking on curved surfaces.

The K Tool XD3106 Speedy Tip Drill Bit Set is made in the USA and crafted from a patented cobalt tungsten hi molly alloy for exceptional durability and heat resistance. These bits stay sharp up to four times longer than conventional drill bits and feature a Speedy Tip design that eliminates the need for pilot holes while preventing walking on curved surfaces. Mechanic length construction reduces breakage and improves control in tight spaces. The set includes sizes from 1/16 to 1/2 by 64ths, with a lifetime warranty on sizes 3/16 to 1/2 and no warranty on sizes 1/16 to 11/64, making it ideal for professional technicians.