Best 1/2" Jobber Drill Bits of 2026
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1/2" Jobber Drill Bits are high-quality and durable tools designed for drilling holes in a variety of materials such as metal, wood, and plastic. These drill bits have a standard length that allows them to reach deeper into the material, making them ideal for general-purpose drilling tasks. Made from premium materials, they offer superior performance and long-lasting durability even under heavy use. 1/2" Jobber Drill Bits are versatile and suitable for both professional and DIY applications, making them an essential addition to any toolkit.
At a Glance: Our Top Picks
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Top 10 1/2" Jobber Drill Bits
NEIKO 10047A Extra Long Drill Bit Set
The NEIKO 10047A Extra Long Drill Bit Set includes 5 pieces of M2 HSS Steel drill bits with a 12-inch length, providing an added length for more stability during quick operations. Made from heat-treated high speed steel, these drill bits are durable, hard, wear-resistant, and tough, allowing for smooth drilling into metal, wood, plastic, PVC, and many other materials.
DEWALT Titanium Nitride Coated Drill Bit Set
The DEWALT Titanium Nitride Coated Drill Bit Set is a 21-piece set that includes sizes from 1/16-inch to 1/2-inch in a plastic tough case. It features a patented bit-bar design that allows for easy removal of bits and customizable placement, and a clip latch for secure closing. The set also has a connectable accessory storage system to optimize storage space, and a clear lid that allows you to easily see contents at a glance. Customers have praised the set for its sharpness and strength, as well as its convenient storage case.
Drill America - KFD29J-PC 29 Piece High Speed Steel Drill Bit Set
This Drill America set includes 29 jobber length drill bits with inch sizes ranging from 1/16" to 1/2" in 1/64" increments. The high-speed steel (HSS) material provides wear resistance, while the black and gold oxide finish resists corrosion and increases the hardness of the drill bit. The 135-degree split point allows for easy penetration of hard materials without a pilot hole and produces small chips, reducing clogging. The set is organized in a convenient plastic storage case.
BOSCH CO14B 14-Piece Cobalt M42 Metal Drill Bit Set
The BOSCH CO14B 14-Piece Cobalt M42 Metal Drill Bit Set is designed for durability and high heat resistance. It contains upgraded M42 Cobalt jobber-length bits that can handle stainless steel, cast iron, titanium, light-gauge metal and aluminum. The set includes 14 drill bits with sizes ranging from 1/16" to 1/2". With a thick web-helix design and surface-hardened tip, these bits offer additional stability in tough applications and can penetrate tough abrasive materials.
EFFICERE 8-Piece Premium Large Drill Bit Set
The EFFICERE 8-Piece Premium Large Drill Bit Set features cobalt high speed steel construction, dual coating finish, 135° split point design, and a 1/2 inch reduced shank with tri-flatted end. This set includes 8 pieces of 6” long silver & deming drill bits in a heavy-duty aluminum storage case, which can drill holes in various materials with increased cutting speed and self-centering feature. The dual coating finish holds up lubricant better for smoother drilling and is 80% more durable and corrosion-resistant than regular black enamel finish.
GMTOOLS 29Pcs Drill Bit Set
The GMTOOLS 29Pcs Drill Bit Set is made of high-speed steel with black and gold oxide finish, featuring a 135°split point that allows for fast cutting and less pressure. Its self-centering design prevents walking, while the fully ground twist design decreases friction and brings metal shavings up and out of the hole. This set includes 29 sizes from 1/16 to 1/2 inch, and comes with a metal indexed case for storage.
CaRoller Drill Bit Set
The CaRoller Drill Set is a 29-piece high-speed steel drill bit set that offers convenience and durability for all your drilling needs. With a wide variety of sizes ranging from 1/16" to 1/2", this set is perfect for professionals and DIY enthusiasts alike. The heavy-duty construction, made with premium grade materials, ensures long-lasting use and superior wear resistance. The intelligent self-centering design prevents walking, while the fully ground twist design decreases friction for cooler drilling performance. This versatile drill bit set easily drills through materials such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics, and wood. With CaRoller, you can expect premium quality and customer satisfaction.
Greycore Tools 1/8 Inch x 12 Inch Cobalt Aircraft Extension Bit
1/4-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits Pack
This pack includes 12 pieces of 1/4-inch cobalt steel M35 jobber length twist drill bits with a case. The bits feature a 135 degree split point, 3-flat shank, and can be repeatedly sharpened without damaging the cutting edge. Made from high-speed steel and 5% cobalt, they provide strong and durable performance, and are best used for drilling in hard metal, including stainless steel.
Sinyeenglon Cobalt Drill Bit Set
The Sinyeenglon Drill Bit Set features M35 cobalt material, which offers exceptional hardness and durability, making it ideal for cutting through tough metals like stainless steel and titanium. The full grinding process enhances wear resistance, ensuring that these bits remain sharp for longer periods. The sturdy plastic storage case is thoughtfully designed for easy organization, allowing you to quickly find the size you need. Each compartment is clearly labeled, providing you with convenient access to the right drill bit without any hassle.
Frequently Asked Questions (FAQs)
1. What is a jobber 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.
2. What is the difference between jobber length and mechanics drill bits?
Jobber length drill bits are the most common and have a longer length compared to the diameter of the shaft. They are commonly used in softer materials such as wood, soft metals or composite. A mechanics length drill bit is a bit that has a shorter overall length, as well as a shorter flute length.
3. What is a cobalt jobber drill bit?
Cobalt drills are are effective in drilling tough, high tensile strength materials like stainless steel, inconel, and titanium. 135 degree split point tip for self-centering and reducing thrust. Compared to a conventional 118 degree tip, these drills wont go "walking" on you. Manufactured to Aerospace Standard 907.
4. Which is better M35 or M42 drill bits?
The added advantage of M35 cobalt drill bits is that they can be used in a hand held drill without too much fear of breakage. An M42 (8% cobalt) drill bit will drill harder metals however will also be more prone to breakage due to its inceased brittleness.
During our 1/2" jobber drill bit research, we found 24 1/2" jobber drill bit products and shortlisted 10 quality products. We collected and analyzed 223,117 customer reviews through our big data system to write the 1/2" jobber drill bits list. We found that most customers choose 1/2" jobber drill bits with an average price of $16.91.
The 1/2" jobber drill bits are available for purchase. We have researched hundreds of brands and picked the top brands of 1/2" jobber drill bits, including NEIKO, DEWALT, Drill America, Bosch, EFFICERE. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.
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.