Dormer A08910 A002 HSS-TiN Coated Tip Jobber Drill Set in Case (5 Piece) The Dormer A089 10 Set is a pack of 5 TiN coated tipped HSS jobber drills in a plastic case. The drills range in size from 4mm to 10mm for general purpose drilling in a wide range of materials. The plastic box has a slide-off top for easy selection. Features: 118 degree split point - helps with self-centering when used by hand, reduces the push force required Titanium Nitride coating - increases service life of the drill, improved performance when drilling harder materials Improved accuracy - with more accurate holes and a better quality of finish Premium HSS material - can be used for drilling many materials including steel, aluminium, stainless steel Can be used in many different handheld and machine applications Specification: Sizes: 4 - 5 - 6 - 8 - 10mm