15Pcs Countersink Drill Bit Set Steel Tapered Drill Bits with 5 Pilot Drill Bits

15Pcs Countersink Drill Bit Set Steel Tapered Drill Bits with 5 Pilot Drill Bits and 5 Allen Wrench Sturdy Carpentry Drilling Hole Bits 5/16inch Shank for Woodworking(orange)
[Compatibility] This kit is suitable for drilling machines with chucks such as lithium electric drills, hand drills, and bench drills. It is recommended to use a center punch for positioning before drilling and keep the drill vertical to prevent the drill from bending or breaking.
[What You Get] The package includes 5 countersink drill bits, 5 spare pilot bits and 5 Allen wrenches. The countersink drill bits contain 5 sizes: 2.8x10mm (7/64inch×3/8inch), 3.0x 10mm (15/128inch×3/8inch), 3.2x10mm (1/8inch×3/8inch), 3.5x10mm (9/64inch× 3/8inch), 4.0x10mm (5/32inch× 3/8inch).
[Meet DIY Needs] The depth and drilling of the countersunk bit set can be easily adjusted with a hex wrench to meet DIY needs. Pilot drill bits are great for wood hole drilling of different holes.
[Widely Uses] This product is suitable for cork, hardwood, fiberboard, pine, plywood, plastic, beech, PVC, compressed board, MDF, etc. It is not suitable for metal, steel plate, glass, concrete, plasterboard.
[Sturdy Steel Material] This countersink drill bit is made of #45 carbon steel shank, alloy bits and high-quality high-speed steel, with high hardness and durable to use. It provides good cutting ability.