Feature●Improved Performance: Countersunk drill bits are made of M2 high-speed steel with excellent toughness, abrasion resistance, and cutting retention●Size: The drill bits for carpentry are available in 5 sizes: 7/64/2.78/9/64/3.57/11/64/4.36/4.36/4.76/7/32/5.56 to meet your various needs●Fast Shedding : The wide shavings groove and 4-blade chamfer cutter can remove wood particles faster during the operation process, making it very convenient and efficient●(Adjustable) The stool is attached to the shank with 2 hex screws, and can be adjusted to control the depth of the lower hole. Use the included hex wrench to adjust to your desired depth●Quick Change: The 1/4" hex shank can be used for electric drills and quick change chucks. Perfect for wood, fiberboard, particleboard, plywood, plastic, PVC, rubber and moreDescription
Specifications:
Material: M2 High Speed 钢 (HSS).
Shank: 0.25 inch (6.35 mm) hex shaft
Hole diameter:7/64(2.78mm),9/64(3.57mm),11/64(4.36mm),3/16(4.76mm),7/32(5.56mm)
Features:
Extremely sharp, extremely durable and easy to use
Abrasion resistant and not easy to aging
High Quality Steel Material
Good shavings discharge
Fast and clean
Package includes:
5 x Woodworking Drill Bits
1 x Allen wrench