PTI 170pc Tin Coated HSS Drill Bit Set

Tin coated drills are for use at high speeds where the temperature is high enough to bring the coating's functional use into play.
Solid ground HSS drill bits
Tin coated for extra strength and durability
170 pieces
Sizes: 10 each 1.0 - 8.0mm x 0.5mm increments & 5 each 8.5 - 10.0mm x 0.5mm increments

Supplied in a strong metal carry case to keep the drill bits organised