مميزات خاصة

Package contents: 20-piece set of emery twist drill bits, comprising five each of 1 mm, 1.5 mm, 2 mm and 2.5 mm sizes, with a matching brass collet for each size
Four versatile sizes suitable for all projects: ranging from 1 mm to 2.5 mm, covering everything from pilot holes to larger pendant holes. Excellent value pack for hobbyists, jewellery makers and craft enthusiasts.
Water cooling recommended: best used with water (immersion or dripping) to prevent overheating and extend drill bit life. Avoid dry drilling for best results.
Ideal for sea glass, gemstones and jewellery making: Drills clean holes in sea glass, shells, agate, quartz, amethyst and gemstones.
High-quality diamond grit coating ensures smooth, precise holes. The rotating drill bit design, featuring a matching drill head, ensures stable drilling without slipping or misalignment.

وصف

Package contents: 20 diamond twist drill bits
Sizes: 1 mm, 1.5 mm, 2 mm and 2.5 mm

Water cooling extends drill bit life:
For thick materials such as glass and stone, the drill bit should be immersed in water or used with a continuous water flow to prevent overheating and cracking.

High-end coated tips:
Featuring high-quality diamond grit, these drill bits efficiently grind and drill through beach glass, stones, rock, ceramics and shells. The durable steel construction ensures long-lasting performance.

مرحبًا،

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CHENJIN 20PCS Emery Twist Drill With Four Electric Grinding Collets Diamond Drill Bit Rotary Tools 1mm 1.5mm 2mm 2.5mm For Sea Glass Stone Shell Gem Processing Jewelry Making

مميزات خاصة

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