Best Metric Countersink Drill Bits in 2026

Daisy
Last Updated: Jul 17, 2026

At a Glance: Our Top Picks for Metric Countersink Drill Bits

Deburring External Chamfering Tool, Chamfer Tool Deburring External Drill High Speed Stainless Steel Burr Removal Bit Quickly Repairs Damaged Metal External Chamfer Deburring Tool (Silver-2Pack)
#TOP1
Deburring External Chamfering Tool, Chamfer Tool Deburring External
9.5
PM SCORE
Loboo Idea 26 Pieces/Set Drilling Tools, Including 6 Countersink Drill Bits, 7 Three Pointed Drill Bit,1 L-Wrench, 8 Wood Plug Cutter, 4 Step Drill Bit Set (26 Pieces/Set, Gold and Silver)
#TOP2
Loboo Idea 26 Pieces/Set Drilling Tools, Including 6
6.3
PM SCORE
uxcell® 4pcs 5/64 7/64 9/64 11/64-inch Self Centering Hinge Drill Bit Hole Saw
#TOP3
Uxcell® 4Pcs 5/64 7/64 9/64 11/64-Inch Self Centering
5.1
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Metric Countersink Drill Bits of 2026

Deburring External Chamfering Tool, Chamfer Tool Deburring External Drill High Speed Stainless Steel Burr Removal Bit Quickly Repairs Damaged Metal External Chamfer Deburring Tool (Silver-2Pack)

SUGELARY
000
2.01 X 1.10 X 0.28 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
IanScofield 9.83

Features

Super Durable Hard Steel - Made of extremely hard stainless steel with high strength and hardness for durability, anti-rust and anti-corrosion. It can accompany you for a long time.

Safe and Efficient - The high strength and hardness deburring external chamfer tool easily shave down the outer edges of a bolt, pipe or rod, remove the burr. Quickly repairs damaged bolts and tightens the nuts in place without hurting your hand, no sparks, and no burns; Simplifies the repair process.

Simple Operation - Attaching the deburring external chamfer tool to the end of your power drill, Use the lowest speed on the drill bit, and then slightly applying pressure to remove the burr. The tool simplifies the repair process, can reduce repair time and eliminates the need to replace expensive or hard-to-find hardware. Great helper for industry and household.

Widely Application - The chamfer tool effective on stainless steel, hardened steel, mild steel, copper, brass, aluminum, fiberglass, wood, plastic no matter it with or without screw thread. Fits size(approx.):5/16-32 bolts (.164) up to 3/4″-10 (.750) - (8mm -19mm)

Sugelary is a store that values quality of product and our cherished customers buying experience.If you are not satisfied, you can always contact us and we will provide you with the best solution.

Loboo Idea 26 Pieces/Set Drilling Tools, Including 6 Countersink Drill Bits, 7 Three Pointed Drill Bit,1 L-Wrench, 8 Wood Plug Cutter, 4 Step Drill Bit Set (26 Pieces/Set, Gold And Silver)

LOBOO IDEA
26 PIECES/SET DRILLING TOOLS
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Loboo Idea 7.66

Features

6pcs 1/4" Hex 5 Flute 90 Degree Countersink Drill Bits: All have a 90° angle on the point for sharp and precise countersinking. The cutting edge is hardened and honed for sharpness. A Chatter-Free,five-flute designed with staggered cutting teeth aranged to insure free chip flow and rapid chatter free cutting.

7pcs Three Pointed Countersink Drill Bit with L-wrench are made of high speed steel with good abrasion resistance and durable,includes 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm for drilling pilot holes,the drill bit large chip flute and five edge chamfers allows faster and easier discharge of sawdust.

3/8" shank 8pcs wood plug cutter drill bit set made of durable carbon steel material,used for tapered 1/4", 3/8", 1/2" ,5/8" wood plugs to cover recessed screw holes or hide blemishes,able to cut plugs to 22mm/23mm/25mm/26mm in length.

1/4" Hex Shank 3Pcs HSS Step Drill Bit Set, Perfect Step Drill Bits suitable for drill holes in various material: within 3mm/0.12 inch (Iron Plate, Copper Plate, Aluminum Plate); within 5mm/0.2 inch (Wood, PVC sheet, Insulation Boards). Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc.

REFUND or RESEND GUARANTEE--No Questions Asked! If you are not 100% satisfied with your wood working Chamfer Drilling Tool, a refund or a new package will be issued. Click “BUY IT NOW” and ENJOY QUALITY of OUR TOOLS.

#TOP3

Uxcell® 4Pcs 5/64 7/64 9/64 11/64-Inch Self Centering Hinge Drill Bit Hole Saw

UXCELL
A15033000UX0057
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Product Name : Self Centering Hinge Drill Bit;Material : HSS

Color : Silver Tone;Drill Holes Dia : 2mm/5/64",2.8mm/7/64",3.5mm/9/64",4.5mm/11/64"

Hex Shank Size : 6.3mm/ 1/4";Total Length : 85mm/ 3.3",87mm/ 3.4", 95mm/ 3.7", 97mm/ 3.8"

Weight : 108g

Package Content : 4in1 x Self Centering Hinge Drill Bits

Uxcell A15110300Ux0279 32Mm Cutting Dia 60° Chamfer Mill Cutter Countersink Drill Bit,

UXCELL
A15110300UX0279
2.95 X 1.26 X 0.47 Inches
0.35 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Point Angle: 60 Degree; Product Name: Countersink Bit; Package Content: 1 x Countersink Bit

Net Weight: 158g; Material: HSS

Total Length: 75mm / 3"; Color: Silver Tone

Battery Included: No; Shank Size: 12 x 40mm / 0.47" x 1.6"(D*L)

Teeth Quantity: 8; Cutting Diameter: 32mm/ 1.26"

Hegebeck 5 Pcs Combined Center Drills Bit Countersinks Plain Type 1/8 Inch Dia Shank High Speed Steel Hss 6542 Silver For Lathe Metalworking

HEGEBECK
GU8400Z3001MU-FBA
3.70 X 0.00 X 0.00 Centimeters
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hegebeck US 9.14

Features

【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.

【FEATURE】-Drill accurate center holes in material prior to turning, or use as a starter bit for accurate holes.

【APPLICATIONS】- Work with lathe machines and most electronic drills to drill holes in steel, iron, alum, carbon steel, brass,etc

Uxcell 2Pcs Hss 3Mmx8Mm Screw Drill Bit Countersink For Wood Working Boring

UXCELL
A14052100UX0705
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

Product Name : Countersink Drill Bit;Used for : Woodwork;Material : HSS

Shank Diameter : 8mm/0.31";Pilot Bit Diameter : 3.0mm/0.12";Pilot Bit Depth : 20mm/0.9"

Counterbore Diameter : 8mm/0.31";Countersink Depth : 10mm/0.39"

Overall Size : 76 x 15mm/3" x 0.55"(Total Length*Max.Diameter);Color : Black, Silver Tone

Net Weight : 74g;Package Content : 2 x Countersink Drill Bit

New Lon0167 5Mm Tip Featured 60 Degree Double Reliable Efficacy End Hss Center Drill Countersink Bit Lathe Mill Tool(Id:a9C F1 D9 6Ea)

LON0167
24AD47E8-3C09-72F5AADA0FAE73
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Long168 5.96

Features

Product Name (durable in use) : Center Drill Bit;Type : (latest technology) Type A

TipAngle : faultless 60 Degree;Tip Diameter : 5mm unexcelled / 7/16"

Body Diameter Carefully selected : 12mm / 1/2";Overall mind-blowing Length : 60mm formidable / 2.4"

Material : consummate HSS;Color : Silver Tone

Weight : perfect in workmanship 30g;Package Content : neat 1x Center Drill Bit

Iivverr 10Pcs 1Mm Tip Diameter Hss 60 Degree Angle Double End Center Drill Countersink Bit Lathe Mill Tool (10 Unids 1 Mm Diámetro De La Punta Hss 60 Grado Ángulo Doble Extremo Central Taladro Broca A

IIVVERR
A98686E179AB736
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
FiYa 5.22

Features

Tip Diameter: 1mm/0.04"; Total Length: 36mm/1.4"

Product Name: Center Drill Bit; Shaft Diameter: 4mm/0.16"

Tip Angle: 60 Degree; Net Weight: 37g

Package Content: 10 x Center Drill Bit; Material: HSS

Color: Silver Tone (Color: Tono plateado

Top 10 countersink drill bits Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Uxcell 3
Hegebeck 1
Iivverr 1
Loboo Idea 1
Lon0167 1
Sugelary 1

Top 10 countersink drill bits Brands Pie Chart


We've carried out a comprehensive analysis of 2,105 reviews on countersink drill bits, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select countersink drill bits priced around $14.42, with top brands including dkibbith, bosch, vouyar, irwin, wenhuali, ftg usa, deckrkat, comoware and dewalt and gmtools

Our team of expert editors reviewed these high-quality items and handpicked the top 8 countersink drill bits for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the home improvement category. These include dkibbith, tool country2, xpecial-kimall, amazon.com, lano direct, fair trade group usa, deckrkat, tg tools and gmtools us ii and city-vision .

We are dedicated to assisting our users in finding the right bits Products based on their needs, saving them considerable time when choosing which countersink drill bits to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.