New Jersey Diamond Products Co.

Diamond Core Drills

New Jersey Diamond Products Co., Inc. in Paterson, NJ manufactures diamond core drills. Below you will find helpful advice on ordering core drills.

Core Drills Can Be Ordered Many Ways:

  • O.D.(Outside Diameter)
  • I.D.(Inside Diameter)
  • Thin Wall
  • Thick Wall
  • Mounted (Brass Or Steel Adaptor)
  • Unmounted
  • Disintegrating Center
  • Double Core(Drill Within Drill)
  • Slotted Rim
  • Continuous Rim

How To Order Diamond Core Drills:

  1. Give Diameter Size
    • Outside Diameter
    • Inside Diameter
    • Wall Thickness
    • Tolerance (+-.005” Is Standard)
  2. Depth of Cut
  1. Type of Adaptor
  2. Mesh Size
  3. Type Material Being Cut
  4. Supply Blueprint if Available

Particle Sizes of Diamond Powders

Mesh Inches Mesh Inches
400 .0015 120 .0049
325 .0017 100 .0059
270 .0021 80 .007
230 .0024 60 .0098
200 .0029 40 .0165
170 .0035 20 .033
140 .0041

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