YIXISI 6 PCS Wood Carpentry Reamer Chamfer Countersink Drill Bit Set, #5#6#8#10#12 1/4" Adjustable Hex Shank Hole Saw Drill Woodworking Tool with Hex Wrench, Taper Bits for Wood,Plastic, Soft Metal

• Multiple Sizes: HSS constructed drill bit set includes 5 pcs twist drills in 5 different size, #5 #6 #8 #10 #12, and 1 pc hex key. With numbers on the drill bits for easy recognition can meet your different needs.
• Quality Material: Each countersink is made from heat treated steel for durable and repeatable performance with easily replaceable HSS (High Speed Steel) drill bits, including #5/#6/#8/#10/#12 head diameter and hex shank.
• Practical Design: The countersink drill bit set has self-starting point and five-fluted design to eliminate chatter, vibration for smooth operation and make clean, accurate and burr-free cuts.
• Easy to Use: Adjustable counter sleeve depth with hex wrench, drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew.
• Wide Applications: The counter sinker drill bit set delivers a neat and fast cut through wooden planks, plastic, soft metals, plywood, aluminum, particle board, and so much more. Also, the bits are compatible with power tools, impact drivers, or countersink drills.

Specification: Material: HSS 4241 Drill Size: #5, #6, #8, #10, #12 Details as shown in the picture Shank Diameter: 6.35mm (1/4'') Package Includes: 5 × Countersink Drill bit 1 × Hex key