Cobalt Step Drill, 0.6mm - 2.3mm Diameter, Head 10mm length x .5mm diameter, 3/32” (2.35mm) diameter shank
The Foredom A-800 Series Primo® Cobalt Steel Twist Drills are premium-quality precision drill bits designed for jewelers, metalsmiths, model makers, and other professionals who require clean, accurate holes in a variety of materials. Manufactured from solid cobalt steel, these drills offer exceptional heat resistance and durability, lasting up to 15 times longer than conventional high-speed steel (HSS) drill bits under proper operating conditions.
Featuring a 2.35mm (3/32") shank, these drills are compatible with most flex shaft handpieces, rotary tools, and pin vises that accept standard shank sizes. Available in a range of diameters, the A-800 Series provides the precision needed for drilling precious metals, brass, copper, aluminum, mild steel, wood, bone, and mother-of-pearl.
Features & Benefits
- Premium solid cobalt steel construction for extended tool life
- Lasts up to 15 times longer than standard HSS drill bits
- Excellent heat resistance for demanding drilling applications
- Produces clean, precise holes with minimal wandering
- Standard 2.35mm (3/32") shank fits most flex shaft handpieces and rotary tools
- Ideal for jewelry making, metalsmithing, model making, and precision crafts
- Available in multiple drill diameters to suit a variety of applications
- Suitable for drilling precious metals, brass, copper, aluminum, mild steel, wood, bone, and mother-of-pearl
Specifications
- Manufacturer: Foredom
- Series: A-800 Primo®
- Product Type: Cobalt Steel Twist Drill
- Material: Solid Cobalt Steel
- Shank Diameter: 2.35mm (3/32")
- Overall Length: 45mm (1.8")
- Available Sizes: Multiple diameters (sold individually)
- Maximum Recommended Speed: 30,000 RPM
- Applications: Precision drilling in jewelry, metals, wood, bone, and other craft materials
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