ADJUSTABLE DRPTH CONTROL: Adjustable countersink drill bit with adjustable depth stop collars to flat on the shank with hex wrenches for controlled pilot hole depth and changing or tightening the pilot drill bits. SET INCLUDES: This wood countersink drill bit set is inclusive of the most common sizes essential for woodworking, including #4(7/64”), #6(9/64"), #8(11/64"), #10(3/16"), #12(7/32"), 5 pieces different sizes of countersink drill bits and 1 Allen Key. MULTIPURPOSE: These countersink bits are built with 1/4" Hex Shanks for quick size changes without bit slipping, suited for wooden planks, plastic, soft metals, fiberboard, particle board, plywood, aluminum board, and compatible with most electric drills. MATERIAL: This 4-flute countersink cutter drill bit for wood with tapered drill bits is constructed from M2 high-speed steel, offering enhanced toughness, wear resistance, and superior cutting power. OUR SERVICE: Our Countersink Drill Bits Set is suitable for household woodworking and DIY Projects. And size satisfy all your need. If you have any problem, please contact us. Specification:
Product name: 5PCS Countersink Drill Bits Set
Brand:AIMLENTOOL
Number: 5pcs
Size Contents:
#4(7/64”), #6(9/64"), #8(11/64"), #10(3/16"), #12(7/32"), 5 pieces different sizes of countersink drill bits and 1 Allen Key.

Features:
Made of industrial-grade high-carbon steel with high hardness & abrasive resistance, great hardness provides sharp edges, high strength takes bits with superior cutting capacity and durability.

After-Service Guarantee:
If you have any questions, please feel free to contact us, and our customer service staff will reply you within 24 hours.