Diamond coated high speed drill bits 10 pcs - 1.8mm

10 pcs, high speed drill bits, drilling diameter:1.8mm, overall length:53mm, shank: 1mm
Must add water for coolant, recommended speed around 20,000RPM
Suitable for drilling various jades and gems, glass, crystal…
  • Model: 232012
  • Shipping Weight: 0.0029kgs

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USD$2.90

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