Diamond coated high speed drill bits 10 pcs - 2.5mm

10 pcs, high speed drill bits, drilling diameter:2.5mm, overall length:55mm, shank:1mm
Must add water for coolant, recommended speed around 20,000RPM
Suitable for drilling various jades and gems…
  • Model: 232015
  • Shipping Weight: 0.0057kgs

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USD$3.90

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