Alpha cobalt panel drills – double ended rivet drill bits – for hard metal
$29.63
$56.59
Description Alpha cobalt panel drills are designed for use with rivets and feature a cobalt coating, making them ideal for drilling into harder metals (10/pack). Features: Double ended for twice the product life Made from cobalt hardened steel for ultimate strength and durability with high speed drilling Suits standard sized rivets Use with materials such as stainless steel, hardened steel, cast iron and bronze Alpha cobalt stub drills – quick reference Code Size Qty A-9D11CO #11 for 4.8mm (3/16″) rivets 10 A-9D20CO #20 for 4.0mm (5/32″) rivets 10 A-9D30CO #30 for 3.2mm (1/8″) rivets 10 Cobalt panel drills are often referred to as stub drills.
