Best Counterbores (Sep. 2026) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

W.L. Fuller X34L 5/8 X 1/4 Counterbore

9.8
CPR Score
Top 2

Accusize Industrial Tools H.S.S. Solid Cap Screw Counterbore Set, 3 Flute, St...

9.7
CPR Score
Top 3

Accusize Industrial Tools 39 Pc Hss Interchangeable Pilot Counterbore Set, Co...

9.6
CPR Score
Tips


Below is a list of the top 30 best Counterbores. Our team has selected the top products by analyzing and evaluating 306 products of different Cutting Tools brands, including Drill America, HHIP, Accusize Industrial Tools, Watris Veiyi, POWLAB, Shars, CME Tools And WL Fuller. Hope this listing can make your shopping choice much easier.

* CherryPicks.Reviews is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best Counterbores Rated by CherryPicks

Market Overview
Counterbores Reviewed
  • Reviews Analyzed: 797 Items
  • CPR Avg. Rating: 8.6 / 10
30 Products Evaluated
  • Highest Price: $381.46
  • Lowest Price: $10.06
  • Avg. Price: $78.42
Price Disclaimer

Top 30 Counterbores on Amazon (Verified You can Buy)

Top 1

W.L. Fuller X34L 5/8 X 1/4 Counterbore

WL Fuller
0.0904 pounds

Ratings for WL Fuller (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
W.L. Fuller, Inc. -

Features

Made in USA by WL Fuller
Hardened Steel for Longer Life
Show More
Top 2

Accusize Industrial Tools H.S.S. Solid Cap Screw Counterbore Set, 3 Flute, Straight Shank, 7 Pc, 508S-0007

Accusize Industrial Tools
508S-0007
9.4488 x 12.2047 x 2.7559 Inches
1.0 Pounds

Ratings for Accusize Industrial Tools (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Accusize Tools -

Features

Inch Set (7 PC) : 6#, 8#, 10#, 1/4'', 5/16'', 3/8'', 1/2''
High Speed Steel. Straight Shank.
Show More
Top 3

Accusize Industrial Tools 39 Pc Hss Interchangeable Pilot Counterbore Set, Counterbores from 1/4'' up to 1'' by 16ths, 500S-A000

Accusize Industrial Tools
500S-A000
18.5039 x 3.5433 x 12.2047 inches
4.75 Kilograms

Ratings for Accusize Industrial Tools (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Accusize Tools -

Features

Complete with pilots in fitted case
Each set includes:13 counterbores-26 pilots
Show More
Top 4

Watris Veiyi 5PCS Counterbore Drill Bit Set, HSS-AL Straight Shank 4 Flutes End Mill Bits, M3-M8 Pilot Slotting Counterbore Mould End Mill Cutter

Watris Veiyi
WVsd45eh
0.25 pounds

Ratings for Watris Veiyi (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Watris -

Features

【High Speed Steel】Made of HSS-AL hard high speed steel, with high toughness, abrasion resistance, high-speed cutting for the high hardness.
【Professional Tool】Mainly used to cut holes that allow bolts or screw heads to be screwed into. Can be processed directly or finely processed to the heat treatment tool.
Show More
Top 5

Accusize Industrial Tools 7 Pc Metric Hss Solid Capscrew Counterbore Set, 3 Flute, Straight Shank, 508S-007m

Accusize Industrial Tools
508S-007M
8.2677 x 2.7559 x 9.4488 Inches
2.15 Kilograms

Ratings for Accusize Industrial Tools (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Accusize Tools -

Features

Metric Set (7PC): M3, M4, M5, M6, M8, M10, M12. 3 Flute.
High Speed Steel. Straight Shank.
Show More
Top 6

Accusize Industrial Tools 21 Pcs Hss Interchangeable Pilot Counterbore Set, 3620-0121

Accusize Industrial Tools
3620-0121
2.2046 Pounds

Ratings for Accusize Industrial Tools (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Accusize Tools -

Features

Supplied in a fitted case.
14 pilots with a 5/32" shank including 0.187, 0.204, 0.213, 0.229, 1/4, 17/64, 9/32, 5/16, 21/64, 11/32, 3/8, 25/64, 13/32 and 7/16.
Show More
Top 7

Accusize Industrial Tools 7 Pc'' H.S.S. Solid Capscrew Counterbore Set 3 Flute Straight Shank, 509S-0007

Accusize Industrial Tools
509S-0007
8.2677 x 1.5748 x 4.7244 Inches
0.1 Pounds

Ratings for Accusize Industrial Tools (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Accusize Tools -

Features

High Speed Steel. Straight Shank. Inch Set (7 PC) : 6#, 8#, 10#, 1/4'', 5/16'', 3/8'', 1/2''
Bright Finished. Premium Quality
Show More
Top 8

HHIP 2007-0020 5/16 x 11/32 HSS 3 Flute Solid Pilot Counterbore

HHIP
2007-0020
3.0 x 1.0 x 6.0 inches

Ratings for HHIP (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Amazon Resale -

Features

Cap Screw 5/16"; Cutter Diameter 1/2"
Pilot Diameter 11/32"; Shank Diameter 7/16"
Show More
Top 9

Accusize Industrial Tools 21 Piece Metric H.S.S. Interchangeable Pilot Counterbore Set, Straight Shank, 8.5-16.5 mm, 3620-0122

Accusize Industrial Tools
3620-0122
9.8425 x 3.5433 x 2.3622 Inches
0.85 Kilograms

Ratings for Accusize Industrial Tools (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Accusize Tools -

Features

14pcs pilots: 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, & 10.5mm
6pcs counterbores: 8.5, 9.5, 10.5, 11.5, 13.5, & 16.5mm
Show More
Top 10

SHARS 5/16 3 Flute Solid Cap Screw Counterbore 404-9264 1

Shars
0.3125 pounds

Ratings for Shars (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Discount Machine Shop -

Features

Cutting Diameter: 1/2; Pilot Hole Diameter: 11/32
Shank Diameter: 7/16
Show More
Top 11

Accusize Industrial Tools Premium Metric H.S.S. Solid Cap Screw Counterbore Set, 3 Flute, Straight Shank, 7 Pc, 509S-007M

Accusize Industrial Tools
509S-007M
2.7559 x 9.4488 x 12.2047 Inches
3.4172 pounds

Ratings for Accusize Industrial Tools (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Accusize Tools -

Features

Metric Size Range: Includes sizes M3 (3.4mm pilot, 6mm cutting dia., 7/32" shank, 3" length) to M12 (14mm pilot, 20mm cutting dia., 5/8" shank, 7-1/2" length).
High-Speed Steel Construction: Crafted from durable HSS for superior longevity and performance in demanding conditions.
Show More
Top 12

POWLAB 5pcs Counterbore Set High-Speed Steel M3-M8 4 Flutes HSS-AL Straight Shank Counterbore End Mills for Copper, Aluminum, Steel, Cast Iron

POWLAB
0.2403 pounds

Ratings for POWLAB (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
POWLAB USA -
Cacentim -

Features

Mill cutters are made of hard high speed steel, usually used to be assembled on milling machine.
It includes 5 sizes in one counterbore set(m3, m4, m5, m6, m8).Please refer to the size chart for detailed data.
Show More
Top 13

HHIP 2007-0041 40 Piece 1/4-1" High Speed Steel Straight-Shank 3 Flute Counterbore Set

HHIP
2007-0041
10.0 x 2.0 x 17.0 inches
7.0 pounds

Ratings for HHIP (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

High speed steel
Straight shank
Show More
Top 14

Drill America 1/2" X 1/8" High Speed Steel Aircraft Counterbore 1/4" Shank, Dew Series

Drill America
DEWA/CCBR1/2
6.0 x 4.0 x 2.0 Inches

Ratings for Drill America (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Aircraft counter bore
High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Show More
Top 15

CME 21 pc Interchangeable Pilot and Counterbore Set, 5/16" to 5/8" Counterbore Size, 0.187" to 7/16" Pilot Size, M2 High-Speed Steel

CME Tools

Ratings for CME Tools (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
CME Tools -

Features

Mix and match any counterbore drill with any pilot in this set; Includes a straight shank holder with a 3/8" shank diameter and 3 5/8" overall length
Counterbore Sizes: 5/16", 3/8", 7/16", 1/2", 9/16", 5/8"
Show More
Top 16

Drill America 1/4" X 3/32" Pilot Hole High Speed Steel Straight Shank Counterbore, Dew Series

Drill America
DEWCBR1/4
6.0 x 4.0 x 2.0 Inches

Ratings for Drill America (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Counterbore only. Pilot sold separately
High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Show More
Top 17

Trex Fascia Plug Counterbore Tool Kit

Trex Company, Inc.

Ratings for Trex Company, Inc. (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
National Hardware Supply -
TERRA & TIDE -

Features

Trex HEXSTIX driver bits ensure a snug fit of Trex decking and fascia screws
Designed for flawless installation of Fascia Plug System, this kit ensures a seamless, screw-free finish on your deck's fascia boards
Show More
Top 18

M35 HSS-CO Cobalt Two Stage Step Drill Bit Screw Counterbore Twist Countersink Drill for Stainless Drilling and Chamfering

LLE
2.5591 x 0.2559 x 0.2559 inches

Ratings for LLE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lucky Bull Electronic Technology -

Features

Universal round handle, not easy to slip, firm and durable.
M35 cobalt-containing drill body improves the high temperature resistance and abrasion resistance of the drill bit,drilling hole fast.
Show More
Top 19

HHIP 2007-0024 3/8 x 13/32 HSS 3 Flute Solid Pilot Counterbore

HHIP
2007-0024
3.0 x 1.0 x 6.0 inches

Ratings for HHIP (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Cap Screw 3/8"; Cutter Diameter 19/32"
Pilot Diameter 13/32"; Shank Diameter 1/2"
Show More
Top 20

Drill America - DEWCBR9/16 DEWCBR Series Qualtech High-Speed Steel Counterbore, 1/2" Shank Diameter, 3/16" Pilot, 4-5/16" Length, 9/16" Size (Pack of 1)

Drill America
DEWCBR9/16

Ratings for Drill America (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Counterbore only. Pilot sold separately
Round shanks allow use with a wide variety of toolholding systems
Show More
Top 21

Drill America - DEWA/CCBR9/16 DEWCBR Series Qualtech High-Speed Steel Aircraft Counterbore, 1/4" Shank Diameter, 1/8" Pilot, 2-13/16" Length, 9/16" Size (Pack of 1)

Drill America
DEWA/CCBR9/16
6.0 x 4.0 x 2.0 Inches
0.02 pounds

Ratings for Drill America (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
SimpleNest Goods -

Features

Aircraft counterbore
High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Show More
Top 22

Drill America DEWCBR Series Qualtech High-Speed Steel Aircraft Counterbore, 1/4" Shank Diameter, 3/16" Pilot, 3-1/8" Length, 15/16" Size (Pack of 1)

Drill America
DEWA/CCBR15/16
6.0 x 4.0 x 2.0 inches
1.0 pounds

Ratings for Drill America (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Aircraft counterbore
High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Show More
Top 23

HHIP 2007-0016 1/4 x 9/32 HSS 3 Flute Solid Pilot Counterbore

HHIP
2007-0016
3.0 x 1.0 x 6.0 inches

Ratings for HHIP (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Cap Screw 1/4"; Cutter Diameter 13/32"
Pilot Diameter 9/32"; Shank Diameter 3/8"
Show More
Top 24

M35 HSS-CO Cobalt Two Stage Step Drill Bit Screw Counterbore Twist Countersink Drill for Stainless Drilling and Chamfering (M5 180)

LLE
M35
2.5591 x 0.2559 x 0.2559 inches

Ratings for LLE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lucky Bull Electronic Technology -

Features

Universal round handle, not easy to slip, firm and durable.
M35 cobalt-containing drill body improves the high temperature resistance and abrasion resistance of the drill bit,drilling hole fast.
Show More
Top 25

HHIP 2007-0023 21 Pieces HSS Interchangeable Pilot Counterbore Set

HHIP
2007-0023
3.0 x 6.0 x 3.0 Inches

Ratings for HHIP (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Comprehensive 21-Piece Set - Includes 14 pilots, 6 counterbores, and 1 holder, offering a versatile range for various applications
High Speed Steel Durability - Constructed from HSS for exceptional hardness, wear resistance, and extended tool life in demanding use
Show More
Top 26

7 pc M2 High-Speed Steel Counterbore Set, with Built-in Pilot, 3 Flute, #6 to 1/2"

CME Tools

Ratings for CME Tools (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
CME Tools -

Features

3 Flute; Spiral Flute
Used to create counterbore holes in a workpiece to allow for socket head screws to sit below or flush with the surface of a workpiece
Show More
Top 27

M35 HSS-CO Cobalt Two Stage Step Drill Bit Screw Counterbore Twist Countersink Drill for Stainless Drilling and Chamfering (M6 180)

LLE
2.5591 x 0.2559 x 0.2559 inches

Ratings for LLE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lucky Bull Electronic Technology -

Features

Universal round handle, not easy to slip, firm and durable.
M35 cobalt-containing drill body improves the high temperature resistance and abrasion resistance of the drill bit,drilling hole fast.
Show More
Top 28

Drill America DEWCBR Series Qualtech High-Speed Steel Counterbore, 5/8" Shank Diameter, 1/4" Pilot, 5-3/8" Length, 13/16" Size (Pack of 1)

Drill America
DEWCBR13/16

Ratings for Drill America (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Counterbore only. Pilot sold separately
Round shanks allow use with a wide variety of toolholding systems
Show More
Top 29

Drill America DEWCBR Series Qualtech High-Speed Steel Aircraft Counterbore, 1/4" Shank Diameter, 3/32" Pilot, 2-3/8" Length, 3/8" Size (Pack of 1)

Drill America
DEWA/CCBR3/8
0.0006 pounds

Ratings for Drill America (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Aircraft counterbore
High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Show More
Top 30

HHIP 2007-0064 High-Speed Steel 3 Flute Straight Shank Solid Pilot Counterbore, M10 x 11mm

HHIP
2007-0064
3.0 x 1.0 x 6.0 inches
0.2 pounds

Ratings for HHIP (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Made of high speed steel
Cap screw is M10
Show More

Top 10 Counterbores - Verified to Buy (September 2026)

Top 10 Counterbores Brands on Amazon

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

  • WL Fuller
  • Accusize Industrial Tools
  • Watris Veiyi
  • HHIP
  • Shars
  • POWLAB
  • Drill America
  • CME Tools
  • Trex Company, Inc.
  • LLE

Top 10 Counterbores Sellers: CPR Seller Rank List

CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 National Hardware Supply 5,081 4.9
🥈 Accusize Tools 4,743 4.8
🥉 Discount Machine Shop 1,704 4.8
4 Watris 1,273 4.9
5 CME Tools 519 4.5
6 POWLAB USA 472 4.8
7 SimpleNest Goods 449 4.8
8 Amazon.com 386 4.7
9 W.L. Fuller, Inc. 371 4.8
10 Cacentim 38 4.9
View or download top Counterbores seller & rating report
National Hardware Supply [5081] Accusize Tools [4743] Discount Machine Shop [1704] Watris [1273] CME Tools [519] POWLAB USA [472] SimpleNest Goods [449] Amazon.com [386] W.L. Fuller, Inc. [371] Cacentim [38] National Hardware Supply 34% Accusize Tools 32% Discount Machine Shop 11% Watris 8% CME Tools 3% POWLAB USA 3% SimpleNest Goods 3% Amazon.com 3% W.L. Fuller, Inc. 2% Cacentim 0%

[Get] Counterbores Deals (✅Exclusively for Prime)

What does "Amazon Fulfilled" Mean?

Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.

When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.

What does "Prime" Mean?

"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are  an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.

Prime members also have access to other benefits, including 2-Day ShippingExclusive Member DealsPrime VideoBuy With PrimeAmazon MusicPrime Gaming, and more.

Shop Prime Counterbores Deals

What does "Free Shipping" Mean?

"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.

Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.


Why Should You Trust Us?

Now hundreds and thousands of Cutting Tools supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Counterbores to buy for new September 2026?

CherryPicks’s Methodology for Evaluating Counterbores

We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Cutting Tools items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.

We collected and analyzed 306 of Counterbores reviews based on our selection criteria. It helped us shortlist the top qualified and rated Counterbores for Cutting Tools, We found that most customers choose Counterbores with an average price of $78.42, and the top brands are Drill America, HHIP, Accusize Industrial Tools, Watris Veiyi, POWLAB, Shars, CME Tools And WL Fuller

Then our expert-level editors reviewed all those quality items and selected the top 30 Counterbores for you, We have researched hundreds of sellers and picked the top sellers for Cutting Tools, including Amazon Resale, National Hardware Supply, Accusize Tools, Discount Machine Shop, Watris, CME Tools, POWLAB USA, SimpleNest Goods, Amazon.com, W.L. Fuller, Inc. And Cacentim. The W.L. Fuller X34L 5/8 X 1/4 Counterbore are available for purchase right now, and The seller of #1 rank product has received honest feedback from 3 consumers with an average rating of 5.0.

We've helped a lot of satisfied users get the right Industrial & Scientific product based on their needs, and save lots of time for them to pick Counterbores to buy.


Written By Brandi W. Cortright

Brandi is a woman in tech who loves to write about the electronics and gadgets she has used. On this site, she would be providing you unbiased reviews of electronics as they are released into the market to make you know what to expect before making a purchase.