Best Inch Combined Drill Countersinks in 2026

WIDELY APPLICATION: Drilling, tapping and deburring/ countersinking in one bit, one-step processing, greatly save processing steps and time costs, improve working efficiency. 6 imperial sizes of thread tap drill bit(1/8”, 5/32”, 3/16”, 1/4”, 5/16”, 3/8”) included in the set to meet your diversified requirements

TOP GRADE QUALITY & CORROSION RESISTANCE: Bonderizing Surface protects the metal from corrosion. Improve the finish adhesion and corrosion resistance. High quality, long lasting and durable.

HIGH QUALITY MATERIAL: HSS 4241 for fast cutting against tough wood material. High hardness, offer superior cutting power and durable.

Version 2.0 FTG Maximum Torque has superior connection drill-hex shank without a pin. Replacement tapered counter sinker drill bit set 12 Pc. #6 (9/64") bit replacement Only (Without the 4 Flute cutter counter-bore), made to replace the 9/64” bits of #6 countersink drill bit set for wood , with 1 Hex Wrench (1/8 inch Allen Key) included

FTG drill bit replacement set made with tapered countersink bits for wood. Countersink replacement bits set with tapered drill bits. Top Quality 9/64 inch tapered and double flute drill bit; HSS M2 Grade 6542 the most popular High-Speed Steel, for its high toughness, and good cutting edge retention. FTG 2331RPL12 countersink replacement drill bit set for drill bits with countersink

Countersink replacement bits made for countersink drill bits for wood. with wider flute for increased chip flow. Replacement drill bits have logo brand name laser printed on each countersink bit quick change 1/4" hex shank. Counter sinker drill bit replacement set, professional FTG drill countersink set Maximum Torque Improved Version 2.0 without pin. Packaging set combination unique design protected by US Copyright Office

Countersink drill bit set for wood with tapered drill bit , 4 Flute countersink cutter #45 Carbon Steel, tapered countersink set features 4 Piece drill set All Same Size drill bits with countersink #4 (7/64") Adjustable wood countersink, 1 Depth Stop Collar 3/8", 1 Hex Wrench (1/8" Allen Key). Counter-bore, and wood plugs size 3/8 inch. Hex shank compatible with 1/4" standard Quick Change chuck including impact drills. FTG 2338P counter sinker drill bit for wood

Wood drill bit set with counter bore chamfer angle 82 degree, smooth countersinking in hard and soft wood, tapered holes for screws. Adjustable countersink drill bit with quality built depth adjustable counter bore attaches to flat on shank with 2 hex screws for controlled pilot hole depth. Best adjustable wood countersink drill bits set ideal for woodworking. Countersink tool set made with countersink bits for wood

Tapered drill bits pointed tip and wide flute for drilling fast, clean pilot hole, ensures tight fit for screws. Countersink hex drill bit set with tapered drill bit can be replaced with FTG replacement taper drill bits countersink for extended wood bit. Countersink drill bits for wood made to drill, countersink, and counter-bore in 1 step sink counter set. Counter sink bits designed as to work as wood drill bits

♡【SATISFY YOU ALL DEMAND】Countersink drill bit set is include 5 pcs of drill bits in 5 different sizes to satisfy you all demand. The most often used sizes for carpenters, cabinet, furniture makers and other wood working trades.

♡【USER-FRIENDLY DESIGN】Standard 1/4 inch hex shank is quick change compatible and has an adjustable counter sleeve depth with Allen wrench.

♡【MULTIPURPOSE】Countersink drill bit erfect for wooden planks, plastic, soft metals, fiber board, particle board, plywood, alumiumn board etc.

【Precisely Processing】- Center and spotting drills are used to make a conical hole for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking.

【Convenience】- Easy to use and install, change bits fast which one-handed load and release. Available for all Kinds of Materials: Metal, Alloy, Copper, Iron, Wood, Aluminum and so on.

【Durable and Resistance】- Center drill bit is made of HSS high speed steel, with extremely sharp blade, low consumption and durable with impact resistance, wear resistance.

【Dimension】- The shank diameter of this center drill is 1/2-inch, the working edge diameter is 5mm / 0.21-inch,and the total length is 65mm / 2.56-inch.

【Material and Features】- High Speed Steel, high hardness, rustproof, solid, durable and excellent for use.

【Durable and Resistance】- Center drill bit is made of HSS high speed steel, with extremely sharp blade, low consumption and durable with impact resistance, wear resistance.

【Dimension】- The shank diameter of this center drill is 4mm / 0.16-inch, the bit diameter is 1.5mm / 0.06-inch, the working edge length is 3mm / 0.12-inch, and the total length is 38mm / 1.50-inch.

【Material and Features】- High Speed Steel, high hardness, rustproof, solid, durable and excellent for use.

【Durable and Resistance】- Center drill bit is made of HSS high speed steel, with extremely sharp blade, low consumption and durable with impact resistance, wear resistance.

High Speed Steel Material

60 Degrees Countersink Bits Drilling

No.2

【SIZE】- Shank Diameter : 1/8 Inch; Total Length : 37mm; Working Edge : 2mm

【MATERIAL】-This combined center drills was made by High Speed Steel 6542,which is solid and high temperature wear resistant，not easy to break

【ADVANTAGE】-Used to make a conical hole for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking.

✅【Universal Compatibility】The T-4241 step drill bit can provide fast and smooth drilling on holes of different diameters in steel, aluminum, wood, plastic boards, etc. (NOTE: the board must be thinner than the height of the step drill).

✅【Quick Change】The 1/4 inch hex shank is compatible with impact resistant power tools and allows for quick, easy, and convenient step drill switching.

✅【Hss 30+ Sizes】Drilling Sizes Include: 13 Step Drill Bits (1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3 /8, 13/32, 7/16, 15/32, 1/2-inch) 6-step drill bits (3/16, 1/4, 5/16, 3/8, 7/16, 1/2-inch) and 12 step drills (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7 /8") different sized holders ensure compatibility with 1/4, 3/8 and 1/2" chuck sizes to suit your normal needs.