Dormer 5.7mm Bronze Tempered HSS-E Jobber Drill

Introduction

Jobber drill is a top performer, producing accurate sized holes with a quality finish in high strength materials. The 135 split point helps to self-centre. The bronze finish is a thin oxide layer formed on the tool surface and is an indication for 8% cobalt HSS-E drill.

Brand :Dormer

Cutting Diameter (in) :0.2244

Manufacturer Part Number :A7775.7

Cutting Diameter (mm) :5.7

Features & Benefits : Bronze tempered (bronze oxide) surface treatment
High speed cobalt steel tool material
DIN 338 standard
4xD usable tool depth to diameter ratio
Drill point 135
Cylindrical shank/straight shank
Standard spiral flute design
Right hand rotation/cutting

Material :HSS-E

Coating/Finish :Bronze Tempered

Cooling :T/Coolant

Flute Length (in) :2.2441

Flute Length (mm) :57

Overall Length (mm) :93

Series :A777