Best Diamond Jobber Drill Bits of 2025

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.

Introducing the uxcell Diamond Twist Drill Bits, the perfect tool for all your drilling needs. Made from diamond coated high speed steel, these drill bits are not only tough and durable but also sharp and easy to use. With a 1mm diameter and 11mm length, they are suitable for drilling small holes on glass, soft metal, sea shells, jade, pearls, drywall, and more. Compatible with various rotary tools such as hand drills, drill press, flex shafts, bench drill, and hanging mill, these drill bits offer versatility and convenience. Additionally, they come with a 0.7mm shank for easy attachment. Don't forget to add cutting fluid for lubrication and cooling during drilling to ensure better hole wall, extended service life, and drilling accuracy.

The DEWALT Diamond Drill Bit is designed for durability and efficiency. Its diamond-welded tip enhances its lifespan, allowing you to tackle tough materials without frequent replacements. The reverse spiral thread provides a continuous water feed, which not only prolongs the bit's life but also increases drilling speed, making your tasks quicker and easier. Additionally, the core ejection slot is a handy feature that helps you remove plugs effortlessly, making it ideal for drilling repetitive holes. With these features combined, this drill bit offers great convenience for your drilling projects.

The Utoolmart Diamond Twist Bits are designed for precision drilling with a diameter of 0.8mm. Made from high-speed steel and coated with diamond, these bits offer exceptional toughness and sharpness, making them ideal for drilling through tough materials like glass and stone. The spiral flute design enhances chip removal, ensuring a smoother drilling process. These bits are compatible with various rotary tools, allowing you to tackle a wide range of projects, from crafting to home repairs, with ease and efficiency.

The uxcell Diamond Drill Bits are designed to make precise holes in various materials. With a diameter of 0.8mm and a length of 11mm, these bits are perfect for drilling small holes in glass, metal, and even delicate items like pearls and sea shells. Made from diamond-coated high-speed steel, they offer excellent durability and sharpness, ensuring easy chip removal. Compatible with various rotary tools, these bits provide versatility for users. Remember to use cutting fluid to enhance drilling performance and extend the life of your tools.

The Flylin Diamond Drill Bits set offers precision and efficiency for your drilling needs. With ten different sizes ranging from 0.8 to 4.0 mm, you can tackle a variety of materials, including metal and gemstones. These drill bits feature a diamond cutting edge that not only enhances durability but also speeds up the drilling process, allowing you to complete your projects faster. The innovative groove design helps in managing debris and reduces heat, ensuring a smoother experience while you work. With these bits, you get reliability and convenience for all your fine-detail drilling tasks.

The Strulo Diamond Drill Bits offer versatility for a variety of materials, including glass, metal, wood, and plastic. With a selection of popular bit sizes, you'll have the right tool for different tasks at your fingertips. The diamond-tipped ends ensure efficient cutting, while the polished chrome finish on the bit shank minimizes resistance, making your drilling smoother. Additionally, these bits are heat-resistant, allowing you to work at high speeds without worrying about overheating. This combination of features makes these drill bits a reliable choice for both DIY enthusiasts and professionals alike.

The DRILAX Diamond Drill Bits set includes 20 pieces of 2.5mm diamond-tipped bits, perfect for creating custom jewelry from materials like sea glass and gemstones. These bits are designed to work seamlessly with Dremel tools, making it easy for you to drill precise holes in various tough materials. The included brass collet adds versatility, allowing you to use these bits with different rotary tools and lapidary equipment. Whether you are a hobbyist or a professional, this set is an essential addition to your toolkit for crafting beautiful, personalized jewelry.

The Acogedor Diamond Drill Bits set offers a range of sizes, making it easy for you to tackle various drilling tasks. The sharp, twisted design allows for efficient and effortless drilling, saving you time and energy. Crafted from high-quality materials, these bits promise durability, ensuring they last through multiple projects. With ten different sizes, you can easily find the right bit for your specific needs, whether you’re working with glass, stone, or gems. This versatility makes the set suitable for a wide range of applications.

The Flever Diamond Drill Bit Set is a versatile collection of drill bits designed for jewelry designers and lapidary enthusiasts. With a 1/8" (3mm) shank, this set includes 10pcs each of 1mm, 2mm, and 3mm drill bits, providing options for drilling holes of different sizes. The drill bits are specifically designed for drilling clean holes in beach sea glass, sea shells, rocks, marbles, and other gemstones. The wet drilling feature ensures smooth and precise drilling, making it easier for users to create their desired designs. With the Flever Diamond Drill Bit Set, jewelry designers can effortlessly drill clean holes in various materials, bringing convenience and efficiency to their work.