Dormer A225 center drill bit
 
Variations
BS1 1/8"
BS2 3/16"
BS3 1/4"
BS4 5/16"
BS5A 1/2"
 
Dormer A225 centre drill Right hand
Double ended tool for centreing prior to drilling or for producing a countersink from, for lathe centre location.
Suitable for both hand and machine use.