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【Upgraded Professional Set】The countersink drill bit set includes all the accessories you need for woodworking and assembly work, including 6 tapered drill bits: 2 #4 (7/64"), #6 (9/64"), #8 (11/64"), #10 (3/16"), and #12 (7/32"), 2 wood plug cutters (3/8" and 1/2"), 1 hex wrench, 2 depth stop rings (3/8" and 1/2"), 7 screwdriver bits (slotted, philips, square, and torx), and 1 extendable magnetic bit holder.
【Nitride-treated HSS】Our counter sink drill bit for wood is made of industrial-grade high-speed steel with a nitrided surface treatment to prevent rust. This treatment improves the countersink bit’s hardness, wear resistance, toughness, and overall performance, extending its service life by up to 2 times that of ordinary carbon steel wood drill bits.
【Efficient All-in-One Design】Conical drill bit, four-edged chamfer and wood plug cutter ensure fast and smooth drilling in both hardwood and softwood, enhancing cutting and chip removal efficiency. Our wood drill bit set allows for drilling, chamfering (82°angle), countersinking, and and creating tapered plugs in one step, meeting your diverse work needs.
【Step & Cone Drill Bits】Includes 3 titanium-coated step drill bits (4–12mm, 4–20mm, 4–32mm) and 1 cone drill (8–20mm). Each bit features laser-etched size markings for quick, precise hole measurement and smooth step transitions—ideal for sheet metal and DIY applications.
【Durable Titanium-Coated HSS】Crafted from premium high-speed steel with a titanium finish for extended lifespan, corrosion resistance, and reduced friction. The 1/4” hex shank fits securely in standard drill chucks and ensures stable, accurate drilling in metal, wood, and plastic.
【Countersink Drill Set】Comes with 6 high-precision countersink bits (6.3 / 8.3 / 10.4 / 12.4 / 16.5 / 20.5mm, 90° point). Each bit has three cutting edges for fast, clean, and chatter-free results—perfect for deburring, enlarging, or finishing holes in wood, plastic, or soft metals.
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DURABLE HSS BUILD: Built from heat-treated M2 high-speed steel with a spiral flute and alloy blade tip. Offers long-lasting sharpness and fast chip removal for smooth, professional results on hardwood and MDF.
ADJUSTABLE DEPTH STOP: Each bit includes a low-friction plastic depth stop ring and hex wrench to control drilling depth precisely while protecting wood surfaces from damage. Perfect for furniture projects.
5PCS COUNTERSINK DRILL BIT SET: 5PCS countersink drill bit set includes 1/8", 9/64", 5/32" drill bits matched with 3/8” 82° counter-bores, and 11/64", 3/16" drill bits paired with 1/2" 82° counter-bores. Ideal for woodworking, cabinetry, and multi-diameter drilling applications.
Set Includes: Our premium 4-piece Countersink Drill Bit Set features M2 HSS tapered pilot drill bits in sizes 2.8MM×8MM, 3.2MM×8MM, 3.2MM×10MM, 4.0MM×10MM, The 1/4" hex shank ensures a secure grip and universal compatibility.
Premium Materials: The sharp tungsten steel alloy can create smooth countersink and counterbore holes. The M2 HSS countersink bit, equipped with spiral chip flutes, ensures swift and efficient cutting
Adjustable Depth: Both drilling and countersinking depths can be easily adjusted using hex screws and depth control stops, providing enhanced flexibility for various tasks and applications
Stronger tensile strength: Our countersunk hole can cut cleanly on materials with tensile strength up to 900N/mm ², without vibration
High quality and high hardness material: The Toolmays countersunk drill bit kit is made of industrial high-speed steel that complies with ISO 4957-HS, DIN 335-C, DIN74, and DIN75, with extremely high hardness and excellent cutting performance. TiN coated countersunk holes have long-term durability
Complete 6-piece drill bit set: This set comes in six different sizes to choose from -6.3mm, 8.3mm, 10.4mm, 12.4mm, 16.5mm, and 20.5mm
Material: Our M2 HSS countersink bit features a spiral chip flute for rapid cutting; The sharp alloy cutting edges create smooth countersink and counterbore holes
Depth Adjustable: Achieve precise drilling with our countersink bit, featuring adjustable pilot drill and counterbore depths; Use the included wrench to easily set the depth stop; The plastic free-spinning collar effectively reduces surface marring
5-Piece Set: This premium carbide drill bit set includes five high-speed steel (HSS) M2 tapered bits in sizes 1/8", 9/64", 6/32" drills+ 3/8” 82° counterbores and 11/64" ,3/16" drills+ 1/2" 82° counterbores; The 1/4” hex shank ensures a secure grip and universal compatibility with most drills, making it perfect for woodwork
PRECISE & CLEAN CUTTING – Features sharp carbide-tipped edges and 3-blade design for flat-bottom, smooth holes without burrs, ensuring professional woodworking results.
COMPLETE 12-PIECE SET – Includes 7 Forstner bits (15–35 mm) and 5 countersink bits (7/64"–5/32"), ideal for accurate hole drilling, countersinking, and smooth finishing in all wood types.
ADJUSTABLE COUNTERSINK DESIGN – Each countersink bit comes with a removable pilot drill for flush-fit or hidden-screw applications, providing flexibility for different tasks.
Set Content: This countersunk drill set includes a limit counterbore drill, 4 different sizes of replacement drill bits: 2.8 x 8 mm, 3.2 x 8 mm, 3.5 x 10 mm, 4 x 10 mm and a hex wrench to meet your needs in different sizes
Product Material: Our countersunk wood drill is made of alloy material, which has good cutting performance and wear resistance, is not easy to break and damage, and can withstand daily use
Adjustable Depth: The drill bit has a depth stopper, no penetration, improve work efficiency, adjustable countersink length, with cross reference scale value, and the drilling length can be adjusted for different screw lengths
Adjustable Depth: Pilot and counterbore depths are adjustable for precise drilling by using the included wrench to adjust the depth stop and bit. Additional plastic collar minimizes surface damage
9-Size Quick-Change Efficiency: 50% Faster Than Standard Bits Reversible heads flip for instant size switching (8-10*2.8mm/8-10*3mm/8-10*3.2mm/8-10*3.5mm/15mm*90°); spiral design clears wood/metal chips 3x faster
9-IN-1 Countersink Drill Bit Set: 1 main body(Aluminium Alloy), 4 driil bits (HSS), 4 reversible countersink heads (HSS) (8 sizes) + 1 countersink bit (HSS), 1 depth stop set, 1 chamfer tool,1 Allen Wrench, Including a storage box. 9 precision hole options, breakthrough for hardened steel/stainless alloys
Spiral Edge: The grooved wood drill is designed with a spiral edge to quickly clean debris from the outside of the hole, effectively preventing the accumulation of dust leftover, thereby preventing clogging and ensuring a smooth drilling process
Set Content: This countersunk drill set includes a limit counterbore drill, 4 different sizes of replacement drill bits: 2.8 x 8 mm, 3.2 x 8 mm, 3.5 x 10 mm, 4 x 10 mm and a hex wrench to meet your needs in different sizes
Product Material: Our countersunk wood drill is made of alloy material, which has good cutting performance and wear resistance, is not easy to break and damage, and can withstand daily use
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