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These parts work great on PCB boards. Sharp and twisted flutes make drilling easier and smoother. They come in an easy-to-use plastic case with a holder for each part. Drill bits are perfect for delicate drilling through hard materials for model making, jewelry repairs, crafts, suitable for PCB, SMT, CNC, mold, sculpture, plastic, copper, stainless steel.

Feature:

- Use high-quality material and fine grinding. Has a large space for chip, little resistance and smooth during chip removal.

- Reduce cutting force and broken drill, improve the quality of hole wall.

- Easy to replace and does a good job cutting through the circuit board for solder holes. it.

Specifications:

- Material: Tungsten steel, White steel - Ring color: Random - Cutting edge diameter: 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.7mm, 1.2mm, 1.3mm, 1.4mm (optional) - Shank diameter: Approx 3.175mm - Length: 38.1mm / 1.5 \" - Box size: 8.7 x 5.3 cm / 3.42 x 2.08 \" - Quantity: 10 pcs per set - Weight: 38G (approx) Package includes:

1 set (10) x drill bits NOTE:

Due to different batches, the color of the rings may differ from those in the picture. Please take the real one as standard. Thank you for your understanding.

100% satisfied: Our customers are our top priority. If you find any product problems after receiving the item, such as damage and incorrect quantity of goods, please contact the seller immediately. We do our best to provide you with satisfactory after-sales service.