Heller HSS Ground Super Twist Drill Bits (Multiple Sizes)

• Special HSS twist drill for extra-deep drill holes and holes located at a depth
• Special spiral design for high true-running accuracy and bit dimensional stability
• Fast chip removal thanks to parabolic spiral
• Regular airing speeds up drilling and increases service life

These are priced and  supplied in 10's or 5's - a detailed breakdown of this is below;

Qty: 5/bx 

Example - 2.5mm - The price is for 1 pack of 10 drill bits... then there are 5 of those packs in an outer box.