Drillco® Combined Centre Drill & Countersink, #5, 3/16" Small Diameter, 7/16" Large Diameter, High Speed SteelWhen 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 #5 Small Diameter 3 16" Decimal Size 0. 1875" Large Diameter 7 16" Countersink Angle 60 Overall Length 5" Finish Bright Type Plain Country Of Origin China

Centerline wheel for increased balance and more accurate measurements

000 OPM) enables user to match the sanding speed to the application

Round adjustable dies can be closed down by approximately 0

The heavy-duty core guarantees increased strength and reduced breakage

The bar has a durable design and is weather resistant for increased life

Vacuum-ready for use with 3M Xtract™ Portable Dust Extractor or central vacuum system

1/8" - 2-1/2"

Intended for use in through hole applications where a free cutting action is desirable

Master Precision Level

Aluminum Isolated

(1) 3-5/8" Hole saw

antimony and barium