Diamond coated high speed drill bits 10 pcs - 2.5mm

Unit Price $3.90

  • Model: 232015
  • Shipping Weight: 0.0057kgs

10 pcs, diamond coated double end, high speed drill bits, drilling diameter:25mm, overall length:55mm, shank:1.1m, NW:5.7g
Must add water for coolant, recommended speed around 20,000RPM
Suitable for drilling various jades and gems…

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