Centre drill is recommended for starting a precise hole in the end of a shaft so it can be securely held prior to machining. British Standard 328. The two drilling ends give increased productivity per tool. Suitable for drilling many materials.
Technical Specification
More Information
Brand
Dormer
Cutting Diameter (in)
5/16
Manufacturer Part Number
A225BS7
Material
HSS
Features & Benefits
Uncoated finish
High speed steel tool material
BS 328 standard
1xD usable tool depth to diameter ratio
60° countersink centre drill
Cylindrical shank/straight shank
Right hand rotation/cutting
120° drill point
Series A225