Product specification
Product material: high carbon steel, strong and durable, long service life.
Product size: Inch size 1/4, 3/8, 1/2, 5/8 inch.
Shank: round shank, shank diameter 8mm.
(Please refer to the product size on the picture for specific size)
Product features:Flat plug cutter tool drill to make a tapered plug cutter to fill countersink holes and eliminate wood defects using a standard cutter.
(Note: the speed should not be too fast, otherwise it is easy to produce smoke, scorched black and so on.)
Product use: suitable for bench drills and hand drills, recommended for bench drills, easy to centre. Suitable for wood, high carbon steel and other materials.

Note: Please make sure the product size on the picture and the product specification in the description before you buy to make sure you get what you need, thank you!

Package includes:4pcs barrel corkscrew drills and 4pcs claw corkscrew drills