3-PIECE HSS STEP DRILL SET This 3-piece HSS drill bit set is titanium nitride coated. There is an up to 6-fold increase in lifetime due to its titanium coating. These shank drills are suitable for all common drilling machines. The drill bits are high heat resistant and they can be stored in the practical storage box made of metal. FEATURES Step drills: 4-12mm 3 Piece / 4-20mm / 4-32mm PACKAGE CONTENTS 1 x 3-Piece HSS Step Drill Set Note: This order will be dispatched from our Sydney/ Melbourne Warehouse. This item may arrive in a separate delivery to the rest of your order. Usual dispatch time is 1-2 business days from order.