Dormer A099DRILLBOY A002 HSS-TiN Coated Tip Jobber Drills 3 -13mm (43 Piece) The Dormer A099DRILLBOY consists of 43 A002 HSS-TiN Coated Tip Jobber Drills in a plastic case, varying in size from 3mm to 13mm. They can be used in many different handheld and machine applications. With titanium nitride coated tips with increases service life of the drill, improving performance when drilling harder materials The 118 degree split point aids self-centering when used by hand and also reduces the push force required Improved accuracy - with more accurate holes and a better quality of finish Premium HSS material - Can be used for drilling many materials including steels, aluminium and stainless steel Features: TiN Coated Tip increases surface hardness, wear resistance and improves tool life 118 degree split point provides self centering, low thrust and easier penetration High Speed Steel (HSS) provides good hot hardness when drilling Improved hole accuracy and surface finish Rigid plastic counter-top dispenser with size gauge function