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Qinwuwu Carbide Steel Complete Free Shipping Engraving Drill Max 87% OFF Drillin for Precision Bits

Qinwuwu Carbide Steel Engraving Drill Bits for Precision Drillin

$10

Qinwuwu Carbide Steel Engraving Drill Bits for Precision Drillin

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Product description

Size:2.1-3.0mm_10Pcs

Product highlights: Convenient opening, safe and efficient, strong abrasion resistance and durable.
1. Spiral groove, sharp cutting edge and large spiral groove design to prevent the generation of built-up edge.
2. Humanized positioning ring box design, reducing machine debugging time.
3. The anti-vibration design of the cutting edge can slow down the vibration of the processing process and improve the quality of the processed surface
4. The packaging box better protects the blade tip from damage during transportation
Drill diameter: 0.3-1.2mm; 0.1-1mm; 1.1-2mm; 0.6-1.5mm; 2.1-3.0mm; 0.1mm; 0.2mm; 0.3mm; 0.4mm; 0.5mm; 0.7mm; 0.8mm; 1.0mm. Notes:
1. When punching the hole, it should be in a vertical direction. Don't use too much force. Slowly twist the hole in one direction by hand. The needle cannot be broken or pried, otherwise it will be easily damaged!"br" 2. It is not allowed to be clamped on the electric hand drill to rotate at a high speed, so that the amber will collapse. "br" 3. For the punching type, please pay attention to clean the surrounding powder while rotating. "br" 4. Grasp the tail of the drill bit by hand and slowly rotate and drill. When it is about to get through, pay special attention to reducing the speed and strength. "br" 5. If you feel that the needle is tight when it rotates, please withdraw the needle, clean the hole and re-enter the powder! Some friends break the drill by drilling, please pay attention to the standard operation!"br"

Qinwuwu Carbide Steel Engraving Drill Bits for Precision Drillin