Drillco® Combined Centre Drill & Countersink, #2, 5/16" Small Diameter, 3/16" Large Diameter, High Speed Steel Wearing Williams border:1px solid #e6e6e6

border:1px solid #e6e6e6

Expand We’ve personally used it at −30°C

Pass-thru leg and chest closures

35 L (17 Gal

Part#: W11224256

Drillco® Combined Centre Drill & Countersink, #2, 5/16" Small Diameter, 3/16" Large Diameter, High Speed Steel Wearing Williams border:1px solid #e6e6e6When 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 #2 Small Diameter 5 16" Decimal Size 0. 3125" Large Diameter 3 16" Countersink Angle 60 Overall Length 6" Finish Bright Type Plain Country Of Origin China