TelecomTools | Optical Fibre Equipment › Draper Metric Titanium Nitride Coated Hss Drill Bit Set (15 Piece) Image 1 of 1 Draper Metric Titanium Nitride Coated Hss Drill Bit Set (15 Piece) £14.00 High speed steel drills coated with titanium nitride for longer life. Display packed in soft grip plastic case. Add To Cart Added! High speed steel drills coated with titanium nitride for longer life. Display packed in soft grip plastic case. You Might Also Like Quick View Ladder Rope Tie £4.70 Quick View Wire Stripper H/D Grips 150mm £19.25 Quick View Grip Cable Single Eye from £9.90 Quick View BFD Cu Cable £68.00 Quick View Draper Magnetic Bit Holder (60mm) 1/4" (F) x 1/4" (M) £5.97