Best Inch Combined Drill Countersinks in 2026

【IDEAL COMBO SET】 A set of countersink drill bits with 7 drill size, Ø7/64”(3mm), 5/32”(4mm), 13/64”(5mm), 1/4”(6mm), 9/32”(7mm), 5/16”(8mm) combine with Ø19/32”(15mm) countersink pedestal, 13/32”(10mm) combine with Ø45/64"(18mm)” countersink pedestal. A 1/10”(2.5mm) Free Hex Key Wrench Plus. Come with a portable plastic case for easy convenient select, storage and organization.

【PREMIUM QUALITY】Made with industrial grade high-carbon steel, great hardness provides sharp edges, high strength takes bits with superior cutting capactiy and durability. Ideal for household woodworking and DIY Projects

【EFFICIENT DESIGN】3-point tricuspid ensures drill process accurate and fast, no offset, slip and bias during drilling; 2-spiral flute makes chip removing easy and efficient; 5-edged chatter-free chamfer cutter pedestal design makes countersink precise and smooth. All cutting edge are well hardened and honed for sharpness.

COUNTERSINK DRILL BIT SET - Also Countersink For Woodworking - Included 5 Pieces all same size #6 Cutters (for up to 3/8" or 10mm screws head), 2 extra Tapered High Speed Steel M2 Drill Bit (6542 grade), 1 Stop Collar, 1 Hex Wrench and 1 Safe Container to keep your set safe and always handy

ADJUSTABLE COUNTERSINK - Also Countersink Bits For Wood - The Adjustable Stop Collar allows you to adjust the Counterbores depth and Adjustable Cutters can be adjusted for many screws sizes.

QUICK CHANGE SHANK - The Quick Change 1/4" Shank is Universal size, Compatible with all 1/4" Quick Change Chucks, Juego De Brocas Avellanadoras Para Madera, Avellanadores Para Madera, Juego De Brocas Para Avellanar, Broca De Avellanado.

Wide Range of Sizes: Including 7 Pieces of Plain Center Drill Bits Set range in size 1.0 1.5 2.0 2.5 3.0 4.0 5.0 to meet different needs

Accurate: A 60-Degree Angle center drill is very useful in drilling accurate center holes, 60-degree countersink holes or starter holes for bigger drill bits in metal-working

High Quality: Our center drill bits made of high quality M2 High speed steel, solid and high temperature wear resistant

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

✅【Automatic Center Punch】The center punch delivers an automatic,high-impact,spring-loaded strike through adjusting the cap; Carbide center punches are 10 times stronger than regular punchesprotective aluminum case makes the drills not easy to dull.

✅【Hss 50 Sizes】 ncludes five standard step drill bits with center punch,Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes,to meet your normal needs.

✅【Durable titanium coated drill】Coated by titanium, this step drill set performs well in heat, corrosion and rust resistance,Can reduce friction and run cooler.

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

✅【Five-blade design】Each countersunk drill adopts five-blade blade design, which can reduce vibration and prolong life, achieve smoother drilling, with 1/4" metal hex.

✅【Compact Grinding】Precision grinding 82° tip for drilling holes on most medium hardness stainless steel, copper, aluminum, wood, plastic.

✅【M2 HSS Cobalt Layered Drill Bits】M2 Cobalt Coated, each metal countersunk drill bit is made of high quality M2 HSS material, this countersunk drill bit set is excellent in heat, corrosion and rust resistance to reduce friction and run cooler.

High Quality Material - Our center drill bit is made of high quality material, which is solid, also enhance wear resistance and remove chippings clearly.

60 Degree Tip Angle - The center drill tip is accurate 60 degree, which can be used to process the centering hole and countersink of general material. It will be your great helper in drilling accurate centering holes.

Multifunction Applications - The center drill bit can work with lathe machines to drill holes in mold steel, cast iron, Alum, Carbon Steel, Wood, thread mold and other tough material, it will improve the the efficiency of drilling.

1.Set of 10pcs(2pcs of each sizes) HSS Center Drills.

2.Imperial units sizes: 1/8" 3/16" 1/4" 5/16" 3/8" in tip diameter.

3.Material: High speed steel.

♡【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.

Made of high speed steel and ground from solid

Plain style

Used for centering work ends, where the work piece is to be revolved on machine centers

5 Lathe Mill Center Drill Countersink (Sizes 1# 2# 3# 4# 5#)

Made with M2 High Speed Steel (HSS)

Each bit is double ended.

Drill accurate center holes in material prior to turning, or use as a starter bit for accurate holes

High speed steel (HSS) made, stable performance and Durable

Sharp and twisted drill will make the drilling be more easy and effortless

3in1 Countersink Drill Bit Set – Enable you to Drill, Countersink and Counterbore in one step, ideal woodworking tools for setting screws flush with or below the surface of a material

Meet All Your Needs–8 pcs Countersink drill bits assortment in size 5/64”, 3/32”, 7/64”, 1/8” (x2), 9/64” (x2), 5/32” for perfect centered #4 #6 #8 #10 #12 #14 Screws Holes in both Soft and Hard Wood

Easy To Use–3 sharp edged 82-degree chamfer design Counter sink bits built with 1/4" Hex Shanks with groove for quick size changes without bit slipping, compatible with most electric drills and tools

3 in 1 Combination – Our units combine Drill Bit / Countersink / Counterbore in one tool, with which you can get perfect hole for #4 #6 #8 #10 #12 #14 or #16 screws in one step

82 Degrees Countersink 3/8” Counterbore Bits - You can either have the head of the screw fit flush with the surface, or below the surface then conceal it with matching wood plugs; ideal tool for dowel buttons or plugs.

Adjustable Cutting Depth – the sharp M2 Pilot Hole Drill Bit is detachable, so you can adjust the drill depth according to the length of your screw; then tighten it with the hex key (included) to the Countersink / Counterbore sleeve

【Double 60 Degree End】Each center drill bit has a double end and grinding at a standard 60 degree Angle, can improve efficiency and save time and energy.

【Usage】1. Center and spotting drills are traditionally 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. 2. Used for work pieces with require machining between centers or producing center in components.

【Exact Drilling Position】Preparation tool to maintain the exact drilling position. When rotating between the tips, the two end faces of the workpiece receive the corresponding centering bore.

Excellent Father's Gift Idea - Searching for a practical and functional woodworking gift for dad? This drilling tools makes an excellent Father's Day gift,by combining the capabilities of multiple tools in one, our variety of drill bits help users minimize the number of tools required for different tasks, effectively decluttering workspaces and simplifying tool management

Ultimate Drill Bits Set- This unibit step drill bit includes 5 step bit in sizes 3/16-1/2'', 1/8-1/2'', 1/4-3/4'', 3/16-7/8'', 1/4-1-3/8'', effectively replacing 50 sizes of conventional drill bits. Along with a center punch. Additionally, the counter sinker drill bit set in sizes1/4'', 3/8'', 1/2'', 5/8'', 3/4''.

Premium Quality Drill Bit Set - Our countersink and step drill bit set is made from high speed steel for longer cutting edge life even at extreme temperatures.step drill set with a titanium coating significantly improves durability and sharpness for less friction and cooler operation,performs well in heat, corrosion and rust resistance.

【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.

Product Name : Combined drills and countersinks drill bit.

Material : High Speed Steel / HSS 6542 M2.

Feature : Plain type; Metric 60°tip angles; Widely used in produce center holes in components or workpieces which requires machining between centers.

【Top Quality】Our countersunk drill is made of #45 Carbon Steel shank, alloy bit and high-quality high-speed steel to ensure its high hardness and durability, providing excellent cutting ability.

【Perfect Size Combo Set】Contains 5 sizes: 2.8 x 10mm (7/64"×3/8"), 3.0 x 10mm (15/128"×3/8"), 3.2 x 10mm (1/8"× 3/8"), 3.5 x 10mm (9/64" × 3/8"), 4.0 x 10mm (5/32" × 3/8"), and additionally equipped with 5 pilot drill bit, very suitable for wood hole drills of various sizes hole.

【Removable and Adjustable】The countersink drill set includes 5 sizes of countersink drill bits, and is equipped with 5 spare pilot drill bits and 2 hex wrenches, use the hex key easily to adjust the depth of the countersunk drill bit set and the drilling of various length screws. Meet all your DIY needs.

Premium HSS Center Drill

No.3

Made Of High Speed Steel And Ground

✔ Material and Features: High Speed Steel, high hardness, rustproof, solid, durable and excellent for use.

✔ Application: 60° countersink angle fits all standard centers, Used for centering work ends, where the work piece is to be revolved on machine centers.

✔ 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.

High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance

Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge

Round shanks allow use with a wide variety of toolholding systems

High Speed Steel Material

60 Degrees Countersink Bits Drilling

No.2

Drill Material: HSS

60 Degree Countersink

Size: 1.0mm * 4mm

These center drill bits are used in metalworking to provide a starting hole for a larger-sized drill bit. A great choice for you

They can also be used to make a conical indentation in the end of a workpiece in which to mount a lathe center. Meet your needs

Made from high speed steel, these center drill bits are of high hardness and good performance. Its quality is guaranteed

You will get 12pcs bits in a plastic bag:5/3/2.5/2/1.5/1mm(each size you will get 2 pcs).

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.

【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.