Best Mechanic's Length Drill Bits (Oct. 2026) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

KnKut 29 Piece Mechanics Length Step Point Drill Bit Set 1/16"-1/2" by 64ths

9.8
CPR Score
Top 2

Drillco 350N Series Nitro 29 Piece High-Speed Steel Mechanics Length Drill Bi...

9.7
CPR Score
Top 3

Drillco 350N Series Nitro 29 Piece High-Speed Steel Mechanics Length Drill Bi...

9.7
CPR Score
Tips


Below is a list of the top 30 best Mechanic's Length Drill Bits. Our team has selected the top products by analyzing and evaluating 306 products of different Power & Hand Tools brands, including Generic, Drill America, Irwin Tools, Kodiak Cutting Tools, Alfa Tools, KnKut, Cle-line, Drillco And RedLine Tools. 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 Mechanic's Length Drill Bits Rated by CherryPicks

Market Overview
Mechanic's Length Drill Bits Reviewed
  • Reviews Analyzed: 1,099 Items
  • CPR Avg. Rating: 8.5 / 10
30 Products Evaluated
  • Highest Price: $289.99
  • Lowest Price: $3.25
  • Avg. Price: $52.49
Price Disclaimer

Top 30 Mechanic's Length Drill Bits on Amazon (Verified You can Buy)

Top 1

KnKut 29 Piece Mechanics Length Step Point Drill Bit Set 1/16"-1/2" by 64ths

KnKut
29KK10
7.13 x 4.13 x 1.88 inches
3.0 Pounds

Ratings for KnKut (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Tooldom Tools - ❌ ❌ ❌

Features

Made In USA
Great for hard steel, brass, sheet metal and acrylics
Show More
Top 2

Drillco 350N Series Nitro 29 Piece High-Speed Steel Mechanics Length Drill Bit Set, Black and Gold Oxide Finish, Round with Flats Shank, Spiral Flute, 135 Degrees Split Point, Drill Pal 1/16" - 1/2" in 1/64" increments

Drillco
350NW29
7.0 x 4.5 x 4.5 inches
2.0 pounds

Ratings for Drillco (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Empire Rigging & Supply - ✅ ✅ ✅
FastoolNow - ❌ ❌ ❌
Weldfabulous 2,710 ❌ ❌ ❌

Features

High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools
Show More
Top 3

Drillco 350N Series Nitro 29 Piece High-Speed Steel Mechanics Length Drill Bit Set, Black and Gold Oxide Finish, Round with Flats Shank, Spiral Flute, 135 Degrees Split Point, 1/16" - 1/2" in 1/64" increments

Drillco
350N29
4.125 x 7.125 x 1.875 Inches
2.98 pounds

Ratings for Drillco (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Empire Rigging & Supply - ✅ ✅ ✅
FastoolNow - ✅ ✅ ✅
Polar Highlander - ✅ ✅ ✅
Arc Weld Inc. - ✅ ✅ ✅
Weldfabulous 2,710 ❌ ❌ ❌

Features

High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools
Show More
Top 4

12 Pcs. 1/8" Heavy Duty Black & Gold Mechanic's Length Drills

Drill America

Ratings for Drill America (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
CNC Mill, Lathe & Router Tooling - ❌ ❌ ❌
Top 5

KnKut 15 Piece Mechanics Length Step Point Drill Bit Set 1/16"-1/2" by 32nds

KnKut
KNK15KK10
5.5 x 4.13 x 0.75 inches

Ratings for KnKut (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Tooldom Tools - ❌ ❌ ❌

Features

Made In USA
Great for hard steel, brass, sheet metal and acrylics
Show More
Top 6

Alfa Tools BBML74290DM Blitz Bit Mechanic's Length Drill Mug, 29 Piece

Alfa Tools
BBML74290DM
4.0 x 4.0 x 7.0 Inches
0.15 Pounds

Ratings for Alfa Tools (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Beron Distributing - ✅ ✅ ✅
Amazon.com - ✅ ✅ ✅
FastoolNow - ✅ ✅ ✅
Root Supply - ❌ ❌ ❌

Features

29 Piece Mechanic's Length in Drill Mug
Fractional Sizes 1/16" to 1/2" x 64th increments 3 Flat Shank on sizes 3/16" and larger
Show More
Top 7

29/64 HSS Split Point Black and Gold Mechanic Length Drill Bit

Drill America
KFDML29/64
6.0 x 4.0 x 2.0 inches

Ratings for Drill America (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
CTI Industrial Supply, LLC - ❌ ❌ ❌
VirVentures 194 ❌ ❌ ❌

Features

Heavy Duty Split Point HSS (High Speed Steel) Mechanical Length Drill Bit
Size: 29/64"
Show More
Top 8

RedLine Tools - F (.2570) Mechanics Length Drill Bit (Pack of 6), Oxide Finish, 1.4375 Flute Length, 2.6250 OAL - RD44506

RedLine Tools
0.04 pounds

Ratings for RedLine Tools (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Productivity, Inc. - ❌ ❌ ❌

Features

135° Point Angle
.2570 Cutting Diameter
Show More
Top 9

0.437 Fractional Mechanics Length Step Point Drill Bit

Generic

Ratings for Generic (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
UnbeatableSale, Inc 117 ❌ ❌ ❌

Features

Made In USA
Great for hard steel, brass, sheet metal and acrylics
Show More
Top 10

Titan CD45508 High Speed Steel Heavy Duty Mechanic Drill, 1/8" Size, 135 Degree Angle Split Point, 1-7/16" Flute Length, 2-1/2" Overall Length, Black and Gold Finish

TITAN
TNU 110372

Ratings for TITAN (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
HF Alliance⭐ - ❌ ❌ ❌

Features

Made in USA
Jobber Length
Show More
Top 11

Narwhal 5/8" Drill Bits for Metal (M35 Cobalt - 3 Pack) 6 Inch Length & 135 Degree Split Point for Drilling Into Metal, Hardened & Stainless Steel, Cast Iron, & More!

Narwhal
Cobalt-Drill-Bits-58-3Pack

Ratings for Narwhal (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Owl Prime Designs - ❌ ❌ ❌

Features

3 PACK OF 5/8" COBALT DRILL BITS - 5/8" Diameter with a Flute Length of 3" and Total length of 6"
M35, FULLY GROUND, 135° SPLIT POINT - Our Drill Bits Contain 5% Cobalt, Are Fully Grounded for a Precision Drilling Diameter. 135° Split Point Design Makes it Easier to Drill Repeated Holes in Harder Materials.
Show More
Top 12

25/64 HSS Split Point Black and Gold Mechanic Length Drill Bit

Drill America
KFDML25/64
6.0 x 4.0 x 2.0 inches
2.0 Pounds

Ratings for Drill America (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
VirVentures 194 ❌ ❌ ❌

Features

Heavy Duty Split Point HSS (High Speed Steel) Mechanical Length Drill Bit
Size: 25/64"
Show More
Top 13

Norseman 87050 Type 175-AG 17/64" x 3-5/8" 135-Degree Split Point 3-Flats Shank Magnum Super Premium Mechanic Length Drill Bit

Ratings for Norseman 87050 Type 175-AG 17/64" x 3-5/8" 135-Degree Split Point 3-Flats Shank Magnum Super Premium Mechanic Length Drill Bit (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Harry J. Epstein Co. 9,968 ❌ ❌ ❌
Top 14

Drillco 350N Series Nitro 13 Piece High-Speed Steel Mechanics Length Drill Bit Set, Black and Gold Oxide Finish, Round with Flats Shank, Spiral Flute, 135 Degrees Split Point, 1/16" - 1/4" in 1/64" increments

Drillco
350N13
4.125 x 5.5 x 0.5 inches
0.62 Pounds

Ratings for Drillco (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Abolox LLC 9,451 ✅ ✅ ✅
Empire Rigging & Supply - ✅ ✅ ✅
Best Discounted items - ❌ ❌ ❌
Pacific Star Corporation - ❌ ❌ ❌

Features

High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools
Show More
Top 15

KnKut 17/64 Fractional Mechanics Length Step Point Drill Bit

KnKut
KK10-17-64
3.69 x 0.27 x 0.27 Inches
0.05 Pounds

Ratings for KnKut (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Crimp Supply Inc 2,282 ❌ ❌ ❌
American-Mechanic 7,905 ❌ ❌ ❌
WeRespectMAP - ❌ ❌ ❌
Homestead Supply & More ✅ 3,069 ❌ ❌ ❌

Features

Made In USA
Great for hard steel, brass, sheet metal and acrylics
Show More
Top 16

Kodiak Cutting Tools KCT110416 USA Made Mechanics Length Drill Bits, 3/16" Diameter (Pack of 12)

Kodiak Cutting Tools
KODIAK110416

Ratings for Kodiak Cutting Tools (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Kodiak Cutting Tools - ✅ ✅ ✅

Features

Made In the USA
1-7/8 Length of Cut
Show More
Top 17

Irwin Industrial Tool Co 30514 7/32 Cobalt 135 Degree Left Handed-Mechanics Length

Irwin Tools
0.03 Pounds

Ratings for Irwin Tools (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
House & Hammer ✅ - ❌ ❌ ❌
Top 18

Norseman 87100 Type 175-AG 11/32" x 4-1/8" 135-Degree Split Point 3-Flats Shank Magnum Super Premium Mechanic Length Drill Bit

Ratings for Norseman 87100 Type 175-AG 11/32" x 4-1/8" 135-Degree Split Point 3-Flats Shank Magnum Super Premium Mechanic Length Drill Bit (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Harry J. Epstein Co. 9,968 ❌ ❌ ❌
Top 19

CLE-LINE Mechanics Length Drill,13/32",Cobalt C30526

Cle-line
C30526
4.3 x 0.4 x 0.4 inches
0.12 Pounds

Ratings for Cle-line (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
SIM Supply, Inc. 1,178 ❌ ❌ ❌
KHC Shop - ❌ ❌ ❌

Features

Superior rigidity in portable drilling
Straw finish
Show More
Top 20

CLE-LINE Mechanics Length Drill,15/64",HSS C23841

Cle-line
C23841
3.4 x 0.3 x 0.3 inches
0.0006 Pounds

Ratings for Cle-line (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
SIM Supply, Inc. 1,178 ❌ ❌ ❌
Monody Trading - ❌ ❌ ❌

Features

Black and gold finish for increased lubricity and longer drill life
HSS substrate
Show More
Top 21

KnKut 5/32 Fractional Mechanics Length Step Point Drill Bit

KnKut
KK10-5/32
2.77 x 0.16 x 0.16 inches

Ratings for KnKut (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Crimp Supply Inc 2,282 ❌ ❌ ❌
JBTools 308 ❌ ❌ ❌

Features

Made In USA
Great for hard steel, brass, sheet metal and acrylics
Show More
Top 22

Titan CD45509 High Speed Steel Heavy Duty Mechanic Drill, 9/64" Size, 135 Degree Angle Split Point, 1-9/16" Flute Length, 2-5/8" Overall Length, Black and Gold Finish

TITAN
TNU 110383

Ratings for TITAN (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
HF Alliance⭐ - ❌ ❌ ❌

Features

Made in USA
Jobber Length
Show More
Top 23

KnKut 15/64 Fractional Mechanics Length Step Point Drill Bit

KnKut
KK10-15-64
3.46 x 0.24 x 0.24 inches

Ratings for KnKut (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com - ❌ ❌ ❌
Homestead Supply & More ✅ 3,069 ❌ ❌ ❌
American-Mechanic 7,905 ❌ ❌ ❌

Features

Made In USA
Great for hard steel, brass, sheet metal and acrylics
Show More
Top 24

Cle-line C18126 Style 1876 135° High Speed Steel Heavy-Duty Mechanics Length Drill Set, Black and Gold Finish, 1/16" - 1/4" Finish, 13 Pieces

Cle-line
C18126
6.2795 x 4.4685 x 0.7874 Inches
0.0006 Pounds

Ratings for Cle-line (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com - ✅ ✅ ✅
Bowers Tool LLC - ❌ ❌ ❌

Features

1875 13 Piece set 1/16-1/4 x 64
Set range: 1/16-inch - 1/4-inch
Show More
Top 25

Norseman 87160 Type 175-AG 7/16" x 4-1/2" 135-Degree Split Point 3-Flats Shank Magnum Super Premium Mechanic Length Drill Bit

Ratings for Norseman 87160 Type 175-AG 7/16" x 4-1/2" 135-Degree Split Point 3-Flats Shank Magnum Super Premium Mechanic Length Drill Bit (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Harry J. Epstein Co. 9,968 ❌ ❌ ❌
Top 26

KnKut 3/16 Fractional Mechanics Length Step Point Drill Bit

KnKut
KK10-3/16
3.06 x 0.19 x 0.19 inches
0.1 Pounds

Ratings for KnKut (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Crimp Supply Inc 2,282 ❌ ❌ ❌
JBTools 308 ❌ ❌ ❌

Features

Made In USA
Great for hard steel, brass, sheet metal and acrylics
Show More
Top 27

15/32" HSS Black & Gold KFD Split Point Mechanic Length Drill Bit, 3-Flat Shank, Killer Force Drill Bit, KFDML15/32

Drill America
KFDML15/32
6.0 x 4.0 x 2.0 inches

Ratings for Drill America (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
VirVentures 194 ✅ ✅ ✅
CTI Industrial Supply, LLC - ✅ ✅ ✅
Top 28

Norseman 87020 Type 175-AG 7/32" x 3-1/4" 135-Degree Split Point 3-Flats Shank Magnum Super Premium Mechanic Length Drill Bit

Ratings for Norseman 87020 Type 175-AG 7/32" x 3-1/4" 135-Degree Split Point 3-Flats Shank Magnum Super Premium Mechanic Length Drill Bit (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Harry J. Epstein Co. 9,968 ❌ ❌ ❌
Top 29

HIGHFIRE Mechanics Drill Bit Set, M2 HSS Heavy Duty Mechanic Drill Bit Kit with Black and Gold, 3-Flat Shank Twist Drill Bit Set for Metal with 135 Degrees Split Point 29 PCS

Highfire
Mechanic-HF102029-Set
1.0 Pounds

Ratings for Highfire (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
ION Inc. - ❌ ❌ ❌

Features

【Faster Cutting and Longer Life】Drill bit with proprietary parabolic flute clears chips and debris to reduce heat buildup. Drill bit also features an ENHANCED TAPERED WEB that greatly increases strength and reduces premature breakage.
【135° Split Points】The 135 degree split point design reduces walking on working surface and allows easier hole starting. Three flats on shank eliminate bit spinning in chuck.
Show More
Top 30

6522, Champion Cutting Tool Corp, Brute Platinum Heavy Duty Mechanics Length Drills, Cutting Diameter 15/64 Inch (1 PK)

Generic
Brute Platinum
0.3 Pounds

Ratings for Generic (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
BaySupply - ❌ ❌ ❌

Features

Quantity Of (1) Per Package

Top 10 Mechanic's Length Drill Bits - Verified to Buy (October 2026)

Top 10 Mechanic's Length Drill Bits Brands on Amazon

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

  • KnKut
  • Drillco
  • Drill America
  • Alfa Tools
  • RedLine Tools
  • Generic
  • TITAN
  • Narwhal
  • Kodiak Cutting Tools
  • Irwin Tools

Top 10 Mechanic's Length Drill Bits 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
🥇 UnbeatableSale, Inc 264,360 4.7
🥈 VirVentures 178,903 4.7
🥉 JBTools 125,991 4.8
4 SIM Supply, Inc. 44,083 4.6
5 Crimp Supply Inc 25,987 4.7
6 Weldfabulous 22,368 4.8
7 Homestead Supply & More ✅ 20,189 4.2
8 American-Mechanic 8,622 4.5
9 Abolox LLC 7,201 4.7
10 Harry J. Epstein Co. 6,814 4.9
View or download top Mechanic's Length Drill Bits seller & rating report
UnbeatableSale, Inc [264360] VirVentures [178903] JBTools [125991] SIM Supply, Inc. [44083] Crimp Supply Inc [25987] Weldfabulous [22368] Homestead Supply & More ✅ [20189] American-Mechanic [8622] Abolox LLC [7201] Harry J. Epstein Co. [6814] UnbeatableSale, Inc 38% VirVentures 25% JBTools 18% SIM Supply, Inc. 6% Crimp Supply Inc 4% Weldfabulous 3% Homestead Supply & More ✅ 3% American-Mechanic 1% Abolox LLC 1% Harry J. Epstein Co. 1%

[Get] Mechanic's Length Drill Bits 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 Shipping, Exclusive Member Deals, Prime Video, Buy With Prime, Amazon Music, Prime Gaming, and more.

Shop Prime Mechanic's Length Drill Bits 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 Power & Hand 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 Mechanic's Length Drill Bits to buy for new October 2026?

CherryPicks’s Methodology for Evaluating Mechanic's Length Drill Bits

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 Power & Hand 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 Mechanic's Length Drill Bits reviews based on our selection criteria. It helped us shortlist the top qualified and rated Mechanic's Length Drill Bits for Power & Hand Tools, We found that most customers choose Mechanic's Length Drill Bits with an average price of $52.49, and the top brands are Generic, Drill America, Irwin Tools, Kodiak Cutting Tools, Alfa Tools, KnKut, Cle-line, Drillco And RedLine Tools. 

Then our expert-level editors reviewed all those quality items and selected the top 30 Mechanic's Length Drill Bits for you, We have researched hundreds of sellers and picked the top sellers for Power & Hand Tools, including UnbeatableSale, Inc, VirVentures, JBTools, SIM Supply, Inc., Crimp Supply Inc, Weldfabulous, Homestead Supply & More ✅, American-Mechanic, Abolox LLC, Harry J. Epstein Co., WeRespectMAP And Owl Prime Designs. The KnKut 29 Piece Mechanics Length Step Point Dril... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 31 consumers with an average rating of 4.9.

We've helped a lot of satisfied users get the right Tools & Home Improvement product based on their needs, and save lots of time for them to pick Mechanic's Length Drill Bits to buy.


Written By Ronald M. Bieber

Ronald M. Bieber has rich experience as a science lab instructor in a college and this has provided him with the right requisite knowledge and experience to be a professional in the act of spotting the right and wrong product. He would be helping us make the right choice in this regard.