Cobalt Jobber Drill Set Imperial : 1/16" - 1/2" x 1/64" Rises | 29pc Ryobi Towa This surface helps to keep

This surface helps to keep lubricant on the tool

8mm Wide x 46mm Long

or sharp edge

It has specialised functional chemistry to increase the performance

It has highest resistance to water and corrosion

Cobalt Jobber Drill Set Imperial : 1/16" - 1/2" x 1/64" Rises | 29pc Ryobi Towa This surface helps to keepCobalt Jobber Drills have a Bronze Finish (gold oxide). This metallic brown coloured low temperature temper treatment is used on cobalt tools for identification purposes. Cobalt HSS drills are extremely hard and provide superior performance and increased tool life especially in stainless steel and high tensile steel. Cobalt Jobber Drills Imperial : 1 16" 1 2" x 1 64" Rises 29 Piece Set