Twist Drill Bit Sets

These precision ground HSS drill bits, with black enamelled flutes, are designed principally for drilling larger holes in ferrous and non ferrous metals. They each have a characteristic shank machine

A useful, and hard wearing, set of drill bits that are designed specifically for drilling larger diameter holes in both ferrous & non ferrous metals. Each bit has a machined-down 13mm diameter shank a

Heller quality at a budget price. 19 rolled HSS drill bits, supplied in a useful case.

A comprehensive, trade use set of DeWalt HSS drill bits, all housed in a useful and robust storage case. These top quality bits can be used to drill a wide range of materials including steel, alloyed

A 25 piece Heller HSS drill bits with a reinforced core, to reduce breakage.

Suitable for portable drilling of steel, alloyed and non-alloyed up to 900N/mm². For drilling sheet or thin materials (suitable for use in wood and plastics).

A set of 13 precision engineered Heller HSS drill bits, in a handy storage case.

All HSS bits designed with short length for tight applications. All pieces are ground from single materials to ensure long life

A set of 6 precision engineered HSS drill bits

A 30 piece metric metal drilling bit set surfaced with titanium which improves penetration and increases wear resistance by up to 6 times.

Thirteen tough and very hard wearing DeWalt 'Extreme' Cobalt metric HSS drill bits, ideal for drilling steel, alloys and metals with a high tensile strength up to 1100N/mm. Unique, precisio

Cobalt steel drills offer higher heat and abrasion resistance, making them more suitable for drilling hardened steel, super alloys, titanium and stainless steel

A 19 piece Heller HSS drill bits with a reinforced core, to reduce breakage.

This twenty piece micro titanium coated high speed steel drill set comes in a plastic indexed box with a sliding window. This especially designed box keeps the bits securely in place and dispenses on

A substantial set of quality HSS drill bits coated with titanium nitride for increased durability & service life. They're ideal for general purpose drilling tasks in most common materials including ha

A large set of the most commonly used sizes of HSS drill bits, housed in a handy storage case with a compartments tray. Ideal for general purpose drilling tasks in most standard materials.

Cobalt steel offers greater resistance to high temperatures and abrasion than conventional high-speed steel (HSS). These quality cobalt steel drill bits are ideally suited to drilling hardened steel,

A 30 piece imperial metal drilling bit set surfaced with titanium which improves penetration and increases wear resistance by up to 6 times. Sizes included in set 1/16, 5/64, 3/32, 7/64, 1/8, 9/64

High speed, accurate drilling of hard woods in all useful diameters with direct start without fear of running or splintering.