Best Zinc Jobber Drill Bits in 2026

Daisy
Last Updated: Jul 17, 2026

At a Glance: Our Top Picks for Zinc Jobber Drill Bits

BOSCH Daredevil DSBE1012 12 In. Drill Bit Extension
#TOP1
Bosch Daredevil Dsbe1012 12 In. Drill Bit Extension
9.7
PM SCORE
Century Drill & Tool 74105 Cobalt Left Hand Drill Bit, 5 Piece Set
#TOP2
Century Drill & Tool 74105 Cobalt Left Hand
9.4
PM SCORE
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
#TOP3
6 Pcs, #30 Cobalt Black Oxide Short Threaded
5.2
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 Zinc Jobber Drill Bits of 2026

Bosch Daredevil Dsbe1012 12 In. Drill Bit Extension

BOSCH
DSBE1012
0.00 X 0.00 X 0.00 Inches
0.30 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

The item is Bosch Daredevil DSBE1012 12-inch drill bit extension

Used for power tool accessories, drill bits & accessories

The product is manufactured in China

Features a full cone threaded tip for fast and effortless drilling

1 4-inch hex drive extension for Bosch spade bits

Hex shank power Groove to reduce slippage

Spur and reamer tips for cleaner holes

Provides a cleaner hole quality with reduced breakout

Features a full cone threaded tip for fast and effortless drilling

1/4-inch hex drive extension for Bosch Spade Bits

Hex Shank Power Groove to Reduce Slippage

Spur and Reamer Tips for cleaner holes

Provides a Cleaner Hole Quality with Reduced Breakout

Century Drill & Tool 74105 Cobalt Left Hand Drill Bit, 5 Piece Set

CENTURY DRILL & TOOL
74105
5.13 X 2.38 X 0.06 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Stubby mechanics length drill bit for additional strength

Left hand stub drill bit for removal of right hand threaded broken bolts or studs without tightening

Made from premium cobalt steel

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

5/32 (.1562) Diameter Hss Threaded Shank Drill Bits, 1 Inch Flute Length, 1/4 X 28 Thread, Hexagon Head

NEW YORK TWIST DRILL
369B140-156CS
0.13 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
L&N ENTERPRISES 9.81

Features

SELLING IN PACKAGES OF 2 PIECES EACH FOR THE PRICE

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 jobber drill bits Brands on Amazon

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

Brand Count
Drill America 4
Bosch 1
Century Drill & Tool 1
New York Twist Drill 1

Top 10 jobber drill bits Brands Pie Chart


We've carried out a comprehensive analysis of 2,694 reviews on jobber drill bits, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select jobber drill bits priced around $15.57, with top brands including norseman, drill hulk, nordwolf, gmtools, comoware, behappy, macxcoip, wildbossy and dewalt and drill america

Our team of expert editors reviewed these high-quality items and handpicked the top 7 jobber 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 prime tools, drillhulk, nordwolf tools, gmtools us, tg tools, behappy crafts co.,ltd., macxcoip, qingshiyup and amazon.com and valyrian tools .

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