Dormer 1/2in Bronze Tempered HSS-E Stub Drill

Introduction

Stub drill is recommended for use in difficult materials and applications. A 135 split point makes self-centring easier and also reduces the cutting forces. Can be relied on to produce a precise hole and quality finish. The bronze finish is a thin oxide layer and it is an indication for cobalt.

Brand :Dormer

Manufacturer Part Number :A1171/2

Cutting Diameter (in) :1/2

Cutting Diameter (mm) :12.7

Features & Benefits : Bronze tempered (bronze oxide) surface treatment
High speed cobalt steel tool material
DIN 1897 stub drill standard
2.5xD usable tool depth to diameter ratio
135 drill point angle
Cylindrical shank/straight shank
Standard spiral flute design
Right hand rotation/cutting
h8 Industry standard tool tolerance zone (based on diameter range)
Series A117

Material :HSS-E

Coating/Finish :Bronze Tempered

Overall Length (in) :4

Overall Length (mm) :102

Flute Length (in) :2.0079

Flute Length (mm) :51