Drillco® Combined Centre Drill & Countersink, #1, 3/64" Small Diameter, 1/8" Large Diameter, High Speed Steel Insulated Tool Sets and repeating means for laying

and repeating means for laying out and cutting the various cuts on common

Depth For Drill Size 13/16" Screw Extractor

wind in a counter-clockwise and receding direction

The laser engraved size markings provide easy identification

Drillco® Combined Centre Drill & Countersink, #1, 3/64" Small Diameter, 1/8" Large Diameter, High Speed Steel Insulated Tool Sets and repeating means for layingWhen metal parts are machined on centres as in turning or cylindrical grinding, it is always necessary to drill and countersink the centre holes to serve as seats or bearings in the machine centres Specifications Material High Speed Steel Number Size #1 Small Diameter 3 64" Decimal Size 0. 0469" Large Diameter 1 8" Countersink Angle 60 Overall Length 5" Finish Bright Type Plain Country Of Origin China