Best Bosch Short Length Drill Bits in 2026

Daisy
Last Updated: Jul 19, 2026

At a Glance: Our Top Picks for Bosch Short Length Drill Bits

Drill America GLBCOX65/32 5/32" x 6" Cobalt Aircraft Extension Drill Bit, GLBCO Series
#TOP1
Drill America Glbcox65/32 5/32" X 6" Cobalt Aircraft
9.8
PM SCORE
Drill America - D/ASTCO1/4P12 1/4" Cobalt Heavy Duty Split Point Stub Drill Bit (Pack of 12), D/ASTCO Series
#TOP2
Drill America - D/Astco1/4P12 1/4" Cobalt Heavy Duty
9.4
PM SCORE
Drill America - D/ASTCO3/16P12 3/16" Cobalt Heavy Duty Split Point Stub Drill Bit (Pack of 12), D/ASTCO Series
#TOP3
Drill America - D/Astco3/16P12 3/16" Cobalt Heavy Duty
9.4
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 Bosch Short Length Drill Bits of 2026

Drill America Glbcox65/32 5/32" X 6" Cobalt Aircraft Extension Drill Bit, Glbco Series

DRILL AMERICA
GLBCOX65/32
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Effective in drilling tough, high tensile strength materials like stainless steel, inconel and titanium

135° split point tip prevents drill from walking

Round shanks allow use with a wide variety of tool holding systems

Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools

6" overall length for drilling where extra length for reach is required

Drill America - D/Astco1/4P12 1/4" Cobalt Heavy Duty Split Point Stub Drill Bit (Pack Of 12), D/Astco Series

DRILL AMERICA
D/ASTCO1/4P12
6.00 X 4.00 X 2.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys

Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools

Round shanks allow use with a wide variety of toolholding systems

When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging

Ideal for portable or machine drilling

Drill America - D/Astco3/16P12 3/16" Cobalt Heavy Duty Split Point Stub Drill Bit (Pack Of 12), D/Astco Series

DRILL AMERICA
D/ASTCO3/16P12
6.00 X 4.00 X 2.00 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys

Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools

Round shanks allow use with a wide variety of toolholding systems

When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging

Ideal for portable or machine drilling

6 Pcs, #30 Cobalt Black Oxide Short Threaded Shank Drill Bit, Tsd30S, Number Of Flutes: 2; Cutting Direction: Right Hand, Overall Length: 1-1/4" Shank Size: 1/4"-28

DRILL AMERICA
TSD30S
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
SMARTNSAVE 7.82

Features

Size: #30; Material: Cobalt; Finish: Black Oxide;

Overall Length: 1-1/4"; Shank Size: 1/4"-28;

Shank Type: Threaded; Style: Threaded Shank;

Cutting Angle: 135; Point Type: Split Point;

Number of Flutes: 2; Cutting Direction: Right Hand

Drill America 5/16" Cobalt Stubby Threaded Shank Drill Bit Overall Length 5/8, Tsd Series

DRILL AMERICA
TSD5/16ST
6.00 X 4.00 X 2.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys

Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools

Threaded shank is for use with threaded-spindle tools, often used in aerospace and automotive applications

When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging

Featured with 135 degrees heavy duty split point and surface treated for drilling hard, tough, high tensile strength materials

#TOP6

Drill America 60 Piece High Speed Steel Screw Machine (Stub) Drill Bit Set (Wire Sizes: #1 - #60), Dwdst Series

DRILL AMERICA
DWD60S-SET
6.00 X 4.00 X 2.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging

60 piece drill bit set comes in a metal case

6 Pcs, #13 Cobalt Black Oxide Short Threaded Shank Drill Bit, Tsd13S, Number Of Flutes: 2; Cutting Direction: Right Hand, Overall Length: 1-1/4" Shank Size: 1/4"-28

DRILL AMERICA
TSD13S
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
SMARTNSAVE 8.07

Features

Size: #13; Material: Cobalt; Finish: Black Oxide;

Overall Length: 1-1/4"; Shank Size: 1/4"-28;

Shank Type: Threaded; Style: Threaded Shank;

Cutting Angle: 135; Point Type: Split Point;

Number of Flutes: 2; Cutting Direction: Right Hand

6 Pcs, #21 Cobalt Short Black Oxide Threaded Shank Drill Bit, Tsd21S, Number Of Flutes: 2; Cutting Direction: Right Hand, Overall Length: 1-1/4" Shank Size: 1/4"-28

DRILL AMERICA
TSD21S
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
SMARTNSAVE 8.07

Features

Size: #21; Material: Cobalt; Finish: Black Oxide;

Overall Length: 1-1/4"; Shank Size: 1/4"-28;

Shank Type: Threaded; Style: Threaded Shank;

Cutting Angle: 135; Point Type: Split Point;

Number of Flutes: 2; Cutting Direction: Right Hand

2 Pcs, 1/4" Cobalt Black Oxide Short Threaded Shank Drill Bit Overall Length: 1-1/4" Shank Size: 1/4"-28, Tsd1/4S, Number Of Flutes: 2; Cutting Direction: Right Hand

DRILL AMERICA
TSD1/4S
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
SMARTNSAVE 7.82

Features

Size: 1/4"; Material: Cobalt; Finish: Black Oxide;

Overall Length: 1-1/4"; Shank Size: 1/4"-28;

Shank Type: Threaded; Style: Threaded Shank;

Cutting Angle: 135; Point Type: Split Point;

Number of Flutes: 2; Cutting Direction: Right Hand

Top 10 short length drill bits Brands on Amazon

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

Brand Count
Drill America 9

Top 10 short length drill bits Brands Pie Chart


We've carried out a comprehensive analysis of 395 reviews on short length drill bits, using our selection criteria to identify the best options in the foot, hand & nail care products. Our findings reveal that most customers typically select short length drill bits priced around $22.61, with top brands including makartt, comoware, nordwolf, denali, amazon basics, chicago latrobe, drill america, cortool and uxcell and vector tools

Our team of expert editors reviewed these high-quality items and handpicked the top 9 short length drill bits for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the foot, hand & nail care products category. These include pebeauty, tg tools, nordwolf tools, amazon.com, cortool, amadeo city, jr quality tools, mesee us and empire rigging & supply and wolfride online .

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