Best Letter Jobber Drill Bits of 2025

Harry Stack Avatar
Harry Stack
Last Updated: Jan 2, 2025

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Letter Jobber Drill Bits are an essential tool for any DIY enthusiast or professional tradesperson. These drill bits come in a wide range of sizes, making them perfect for drilling precision holes in a variety of materials such as wood, plastic, and metal. The bits are made from high-quality materials, ensuring they are durable and long-lasting. With their sharp, pointed tips, these drill bits can easily penetrate even the toughest materials, making them ideal for drilling through hard metals or tough materials. Whether you are working on a small DIY project or a large construction job, Letter Jobber Drill Bits are a must-have tool in your toolkit.

At a Glance: Our Top Picks

MAXTOOL Jobber Drill Bits JBL02H10RIP5 Cover #TOP 1
MAXTOOL Jobber Drill Bits JBL02H10RIP5
ftb score rating icon 9.8
IVY Classic 5-Piece Number/Letter Drill Set Cover #TOP 2
IVY Classic 5-Piece Number/Letter Drill Set
ftb score rating icon 9.7
MAXTOOL Letter F Jobber Drill Bits Cover #TOP 3
MAXTOOL Letter F Jobber Drill Bits
ftb score rating icon 9.5

Top 10 Letter Jobber Drill Bits

#TOP 1

MAXTOOL Jobber Drill Bits JBL02H10RIP5

JBL02H10RIP5
MAXTOOL Jobber Drill Bits JBL02H10RIP5 Cover
MAXTOOL Letter I 5pcs Identical Jobber Length Drills Dia 0.272" HSS M2 Twist Drill Bits Fully Ground Black-Bronze Straight Shank Drills; JBL02H10RIP5

The MAXTOOL Jobber Drill Bits are designed to handle various materials, including metal, plastic, and wood. Their high-speed steel construction ensures they remain sharp and effective, providing impressive cutting performance and extending tool life. You’ll appreciate the precision ground finish that allows for smooth chip removal, making your drilling tasks easier. The 135-degree chisel point helps start drilling accurately, preventing walking and reducing the chance of logging. These features make the drill bits highly reliable for heavy-duty operations, delivering durability and resistance to corrosion.

What We Like
Effective cutting for multiple materials
Durable high-speed steel construction
Precision ground for smooth operation
Accurate starting to prevent walking
#TOP 2

IVY Classic 5-Piece Number/Letter Drill Set

01668
IVY Classic 5-Piece Number/Letter Drill Set Cover
IVY Classic 01668 5-Piece Number/Letter Drill Set, M2 High-Speed Steel, 135-Degree Point, Sturdy Plastic Case

The IVY Classic Drill Set is a versatile set of jobber length bits designed for drilling stainless and hard steel, plastic, and wood. Made from hardened and tempered M2 high-speed steel, these bits provide durability and precision. The bright finish and polished flutes increase chip ejection, while the 135-degree split point allows for fast penetration and accurate starting without the need for a center punch. With its 5-piece set including various number and letter drill bits, this IVY Classic Drill Set is a convenient choice for a range of drilling applications. Whether you're working on stainless steel, hard steel, plastic, or wood, this drill set has you covered.

What We Like
Versatile for various materials
Durable and precise
Fast and accurate starting
#TOP 3

MAXTOOL Letter F Jobber Drill Bits

JBL02H10RFP5
MAXTOOL Letter F Jobber Drill Bits Cover
MAXTOOL Letter F 5pcs Identical Jobber Length Drills Dia 0.257" HSS M2 Twist Drill Bits Fully Ground Black-Bronze Straight Shank Drills; JBL02H10RFP5

The MAXTOOL Jobber Drill Bits are designed for versatility, allowing you to cut through metal, plastic, and wood with ease. Made from high-speed steel, these bits are exceptionally hard and sharp, ensuring effective cutting performance and a long lifespan. Their precision ground finish promotes better chip removal, while the 135-degree chisel angle helps you drill accurately without slipping. Additionally, these bits are built to withstand heavy-duty tasks and resist corrosion, making them a reliable choice for your projects. You’ll appreciate how smoothly they cut, enhancing your overall drilling experience.

What We Like
Versatile for multiple materials
Long-lasting cutting performance
Accurate and quick penetration
Durable and corrosion-resistant
#TOP 4

Chicago Latrobe 57718 150 Series HSS Drill Bit Set, 26-pc

Chicago Latrobe 57718 150 Series HSS Drill Bit Set, 26-pc Cover
Chicago Latrobe 57718 150 Series High-Speed Steel Jobber Length Drill Bit Set with Metal Case, Black Oxide Finish, 118 Degree Conventional Point, Letter Size, 26-piece, A - Z

The Chicago Latrobe 57718 150 Series High-Speed Steel Jobber Length Drill Bit Set includes 26 jobber length drill bits ranging from letter sizes A through Z. These HSS drill bits are made in the USA and provide hardness for wear resistance. The black oxide finish reduces bit wear while promoting chip and coolant flow on ferrous material. The 118-degree conventional point is suitable for a range of drilling applications and the jobber length drill bit has a midrange drilling depth suitable for general-purpose drilling applications.

What We Like
Durable high-speed steel construction
Black oxide finish reduces bit wear while promoting chip and coolant flow on ferrous material
Includes 26 jobber length drill bits ranging from letter sizes A through Z
#TOP 5

MAXTOOL Jobber Drill Bits JBL02H10RIP2

JBL02H10RIP2
MAXTOOL Jobber Drill Bits JBL02H10RIP2 Cover
MAXTOOL Letter I 2pcs Identical Jobber Length Drills Dia 0.272" HSS M2 Twist Drill Bits Fully Ground Black-Bronze Straight Shank Drills; JBL02H10RIP2

The MAXTOOL Jobber Drill Bits are designed for versatility in cutting through metal, plastic, and wood. Made from high-speed steel, these bits are exceptionally durable and maintain sharpness for effective cutting, ensuring a long lifespan. They conform to industry standards, giving you confidence in their precision and reliability. The fully ground finish and 135-degree chisel point allow for accurate drilling without slipping, making your tasks easier and more efficient. With these features, you can expect smooth operations and reduced effort in your drilling projects.

What We Like
Durable high-speed steel
Precision for accurate drilling
Effective in various materials
Long-lasting tool life
#TOP 6

Huot Jobber Drill Bit Index

Huot Jobber Drill Bit Index Cover
Huot Metal Index for Jobber Drill Bits, Letter Sizes A to Z (holds 26 bits)

The Huot Drill Bit Index is designed to make your drilling tasks more efficient. Each slot is expertly sized, allowing you to quickly find the exact drill bit you need. This index conveniently fits into a standard 2-inch deep tool drawer, saving you space. Its durable, corrosion-resistant coating ensures that it stands up to wear and tear. Additionally, the secure snap-lock steel cover keeps your bits safe and organized, preventing any accidental loss. With its rugged all-steel construction, you can trust this index to protect your tools for years to come.

What We Like
Quick drill selection
Space-saving design
Durable and corrosion-resistant
Secure storage
Heavy-duty construction

MAXTOOL Jobber Length Drill Bits

JBL02H10RQP2
MAXTOOL Jobber Length Drill Bits Cover
MAXTOOL Letter Q 2pcs Identical Jobber Length Drills Dia 0.332" HSS M2 Twist Drill Bits Fully Ground Black-Bronze Straight Shank Drills; JBL02H10RQP2

MAXTOOL Jobber Bits are high-quality, super hard drill bits designed for cutting metal, plastic, and wood. Made from high-speed steel, these bits offer impressive cutting performance and long tool life. They conform to drill standards set by ASME/ANSI B94.11M and USCTI, ensuring dimensional accuracy and precision. The fully ground process allows for excellent chip movement, while the 135-degree chisel angle with split point provides quick penetration without walking. These durable bits can withstand heavy-duty operations and resist corrosion, making them ideal for various applications. With a straight shank and jobber length, MAXTOOL Jobber Bits offer accuracy and convenience in drilling tasks. Available in a range of sizes from Letter A to Z, these bits are a reliable choice for professionals and DIY enthusiasts alike.

What We Like
High-quality and super hard
Impressive cutting performance
Conforms to drill standards
#TOP 8

IVY Classic I Drill Bit

01649
Letter I
IVY Classic I Drill Bit Cover
IVY Classic 01649 Letter Size I Drill Bit, M2 High-Speed Steel, 135-Degree Split Point, 1/Card

The IVY Classic Drill Bit is ideal for various materials, including stainless steel, hard steel, plastic, and wood. With its jobber length design, you can easily tackle tough drilling tasks. The M2 high-speed steel construction ensures durability and performance, making it a reliable choice for professionals and DIY enthusiasts alike. The 135-degree split point allows for quick penetration and precise drilling without needing a center punch, saving you time and effort. Additionally, the polished flutes enhance chip removal, keeping your workspace clean and efficient.

What We Like
Durable M2 high-speed steel
Fast penetration with split point
Effective chip ejection
Versatile for multiple materials
#TOP 9

Super Tool Letter H Jobber Drill

50405
Super Tool Letter H Jobber Drill Cover
Letter H Jobber Drill Carbide Tipped 118° Standard Point, USA Made (.266"), 50405

The Super Tool Jobber Drill features a 0.266-inch diameter with a carbide tip, designed for durability and precision. Its 118° standard point allows for effective drilling into various materials, making it ideal for both machinists and hobbyists. With a flute length of 2 7/8 inches and an overall length of 4 1/8 inches, this drill bit provides excellent reach and control. The tool's diameter tolerance ensures a snug fit, enhancing overall drilling accuracy and performance. Whether you're tackling a DIY project or working in a professional setting, this drill bit offers convenience and reliability.

What We Like
Durable carbide tip
Precision drilling
Versatile for various materials
Good reach and control
#TOP 10

MAXTOOL Jobber Length Drill Bits

JBL02H10RXP2
MAXTOOL Jobber Length Drill Bits Cover
MAXTOOL Letter X 2pcs Identical Jobber Length Drills Dia 0.397" HSS M2 Twist Drill Bits Fully Ground Black-Bronze Straight Shank Drills; JBL02H10RXP2

The MAXTOOL Jobber Drills are designed for high performance in cutting metal, plastic, and wood. Made from quality high-speed steel, these drill bits ensure durability and sharpness, allowing you to achieve impressive cutting results. They conform to established drill standards, giving you confidence in their precision and reliability. The fully ground surface finish enhances chip removal, while the 135-degree chisel angle with a split point ensures accurate starts and quick penetration without slipping. This combination of features makes these drill bits ideal for both professionals and DIY enthusiasts looking for efficient and effective drilling solutions.

What We Like
High-speed steel construction
Precision for accurate drilling
Effective in multiple materials
Durable and long-lasting
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What are lettered drill bits used for?

Letter and numbered drill bits were developed to make up the gaps in between metric and fractional sizes. The most common use is for using taps. There will not be an exact match for fractional sizes but you can refer them to closest fractional bit that is larger than the numbered bit.

2. What is a jobber length bit?

A jobber drill bit has a long length compared to its diameter. The length of the flute is between 8-12 or 9-14 times the diameter of the drill, depending on the drill specifications. For example, a 1/2″ diameter jobber drill will be able to drill a 4-1/2″ deep hole because it is 9 times the diameter in length.

3. What are the 5 types of drill bits?

Drill bits are designed to drill holes in a variety of different common materials. These include different types of wood, metal, plastic, ceramic tile, porcelain and concrete.

4. What is a Jobber twist drill bit?

Jobber drill bits are straight shank drills suitable for general purpose applications. This category includes bright, treated, TiN coated drills to machine a variety of materials. Heavy duty-split point drills, high helix and para-flute jobber drills along with cobalt bits meet the needs of most machinists.

Editor's Notes

During our letter jobber drill bit research, we found 24 letter jobber drill bit products and shortlisted 10 quality products. We collected and analyzed 3,199 customer reviews through our big data system to write the letter jobber drill bits list. We found that most customers choose letter jobber drill bits with an average price of $18.85.

The letter jobber drill bits are available for purchase. We have researched hundreds of brands and picked the top brands of letter jobber drill bits, including MaxTool, IVY Classic, Chicago-Latrobe, Huot Manufacturing, Super Tool. The seller of top 1 product has received honest feedback from 111 consumers with an average rating of 4.8.

Written by
Harry Stack Avatar

Harry Stack owns a small hardware store, his career landed him a depth of knowledge in categories such as tools, equipment, machinery and hardware. In his spare time, he usually repairs furniture, safes and appliances, and he knows how to make simple repairs to plumbing or electrical fixtures. His hobbies also include woodworking and fishing.