Drillco® Combined Centre Drill & Countersink, #1, 3/64" Small Diameter, 1/8" Large Diameter, High Speed Steel Insulated Tool Sets To be used with a

To be used with a straight grinder

Work in challenging conditions with a full-polish chrome finish that helps provide corrosion resistance

The laser engraved size markings provide easy identification

Resists bleed-through

Drillco® Combined Centre Drill & Countersink, #1, 3/64" Small Diameter, 1/8" Large Diameter, High Speed Steel Insulated Tool Sets To be used with aWhen 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