Drillco® Combined Centre Drill & Countersink, #4.5, 9/64" Small Diameter, 3/8" Large Diameter, High Speed Steel Self-Storing Hoses these taps offer higher heat

these taps offer higher heat resistance and red hardness over conventional high speed steel taps

30 - 250 ft-lbs

No snap segments

Spiral tube brush holder

and flexibility offering reliable

Drillco® Combined Centre Drill & Countersink, #4.5, 9/64" Small Diameter, 3/8" Large Diameter, High Speed Steel Self-Storing Hoses these taps offer higher heatWhen 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 #4. 5 Small Diameter 9 64" Decimal Size 0. 1406" Large Diameter 3 8" Countersink Angle 60 Overall Length 4" Finish Bright Type Plain Country Of Origin China