Best Round with Flats Jobber Drill Bits of 2026
* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Round with Flats Jobber Drill Bits are high-performance drill bits designed for use on a variety of materials, including metal, wood, and plastic. These bits feature a unique design with a round body and flattened sides, which helps to prevent slipping and allows for better control during drilling. Made from high-speed steel, these drill bits are durable and long-lasting, and they come in a range of sizes to suit any job. Whether you're a professional contractor or a DIY enthusiast, Round with Flats Jobber Drill Bits are an essential tool for any toolbox.
At a Glance: Our Top Picks
#TOP 1
9.8
#TOP 2
9.7
#TOP 3
9.5
Top 10 Round with Flats Jobber Drill Bits
Drill America 29 Piece Cobalt Drill Bit Set
The Drill America Cobalt Drill Bits set features gold stepped point technology that allows you to start drilling effortlessly and achieve faster results. These bits are ideal for enlarging existing holes or creating new, smooth holes in various materials like acrylic, steel, and brass. With a 135-degree cutting angle and a special shank design, you can expect better control and reduced spinning while you work. The set includes a range of inch sizes, making it versatile for different projects, so you’ll always have the right size on hand.
Rocaris 8 Pack Titanium Drill Bits
The Rocaris Titanium Drill Bits set includes eight commonly used sizes, perfect for various drilling tasks. Made from high-speed steel with a titanium coating, these bits are designed to be sharp and efficient, helping you complete projects with ease. The fully ground spiral groove design minimizes friction and heat, allowing for quicker and cooler drilling. Additionally, the 135° split point ensures precise drilling without slipping, making it easier for you to achieve accurate results every time. This combination of features enhances your drilling experience, making it suitable for wood, plastic, and metal applications.
Norseman Super Premium Magnum 29 Piece Drill Bit Set
The Norseman Super Premium Magnum 29 Piece Drill Bit Set includes Type 190-AQF Premium Ultra-Dex Bully with 135 degree split point and jobber length. Its three flats shank comes in an orange case, made of high molybdenum steel, and coated with gold and black oxide. This drill bit set is perfect for jobber drilling tasks.
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.
Gyros HSS Wire Gauge Mini Twist Drill Bit Set
The Gyros HSS Wire Gauge Mini Twist Drill Bit Set is made of High Speed Steel for durability and precision. The set includes 20 micro bits with sizes ranging from #61 to #80. It can be used with both hand and motorized tools and is perfect for drilling precise holes on various materials such as gold, silver, wood, plastic, and jewelry. The set comes in a convenient clear dome storage case with a numeric gauge guide for easy identification and secure storage.
Diamond Drill Bit Set for Jewelry Making and Crafts
This premium quality set includes a total of 20 twist diamond drill bits in four sizes (1mm, 1.5mm, 2.0mm, and 2.5mm), making it compatible with Dremel and other rotary tools. It is perfect for drilling clean holes in fused glass, gemstones, rocks, ceramic, porcelain, and other materials to create jewelry designs, such as necklaces, earrings, bracelets, and pendants with sea shells, beach glass, and rocks. The set also includes four brass collets compatible with Dremel to ensure precision and ease of use.
Norseman Drill Bits 44170 Ultra Dex Set (29 Piece)
The Norseman Drill Bits 44170 Ultra Dex Set is a premium high-speed steel jobber drill set that includes 29 pieces with 135-degree split point and precision ground point, flutes, body, clearance and drill diameter for ultimate accuracy and performance. Made with special Hi-Molybdenum tool steel and Gold Oxide, this set is heavy-duty, durable, and ideal for various drilling applications.
amoolo Titanium Drill Bit Set
Drill America 37/64" Reduced Shank High Speed Steel Black & Gold Contractor Drill Bit
COMOWARE Cobalt Drill Bit Set
COMOWARE Cobalt Bits is a 15-piece drill bit set made of 5% Cobalt High-Speed Steel M35, which provides a longer lifespan than standard drill bits. The 135° split point, gold oxide finish, and round straight shanks make this set stand out in terms of precision, chip-clearing, and performance. This set is ideal for drilling through hard materials such as stainless steel, cast iron, high-temperature alloys, titanium alloys, hard plastics, and woods. The set comes with a plastic storage case, making the bits easy to organize and access. In addition, COMOWARE offers a 100% satisfaction guarantee, so if you are unsatisfied with your purchase, you can contact them for help.
Frequently Asked Questions (FAQs)
1. What is a jobbers drill bit?
Jobber drills are the most widely used type of drill in industry for drilling cylindrical holes. Generally they come with two spiral flutes, straight (or parallel) shanks and an overall length which varies with diameter.
2. What are flat drill bits called?
Spade bits are flat, with a centering point and two cutters. The cutters are often equipped with spurs in an attempt to ensure a cleaner hole. With their small shank diameters relative to their boring diameters, spade bit shanks often have flats forged or ground into them to prevent slipping in drill chucks.
3. 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.
4. 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.
During our round with flats jobber drill bits research, we found 24 round with flats jobber drill bits products and shortlisted 10 quality products. We collected and analyzed 69,675 customer reviews through our big data system to write the round with flats jobber drill bits list. We found that most customers choose round with flats jobber drill bits with an average price of $48.54.
The round with flats jobber drill bits are available for purchase. We have researched hundreds of brands and picked the top brands of round with flats jobber drill bits, including Drill America, Rocaris, Norseman, EFFICERE, Gyros. 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.