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Technodiamant USA  Inc.
35A Kennedy Rd
Box 398
Tranquility, NJ 07879

Tel(908)850-8505
Fax(908)850-8506

Toll Free in USA:
888-462-9700
Email Us

Diamond "Micro" Core Drills

These core drills are particularly suited for drilling glass, silicon and ceramic materials. It is strongly recommended that coolant be used through the center of the drill. It is sometimes possible to flood cool, but this does not effectively remove swarf and does not cool as well so it hastens tool wear.

Water swivels are available that will mount on your collet (See below)

Micro Core Drills

Size (OD) inches Size (ID) inches

(Specify either the ID or OD to within +/- 0.001")

0.023-0.028 0.010-0.011
0.029-0.030 0.012-0.014
0.031-0.035 0.015-0.016
0.036-0.040 0.017-0.019
0.041-0.050 0.020-0.026
0.051-0.061 0.027-0.032
0.062-0.077 0.033-0.048
0.078-0.093 0.049-0.061
0.094-0.125 0.062-0.090
0.126-0.135 0.091-0.100
0.136-0.140 0.101-0.106
0.141-0.156 0.107-0.112
0.157-0.172 0.113-0.131
0.173-0.187 0.132-0.144
0.188-0.200 0.145-0.160
0.201-0.225 0.161-0.176
0.226-0.250 0.177-0.206
0.251-0.270 0.207-0.215
0.271-0.285 0.216-0.221
0.286-0.306 0.222-0.248
0.307-0.327 0.249-0.259
0.328-0.340 0.260-0.269
0.341-0.356 0.270-0.284
0.357-0.387 0.285-0.301
0.388-0.406 0.302-0.335

**Custom sizes are available, as are disintegrating drills, solid mills, etc.

**Large Drills available from 10mm OD to 170mm OD - Please call **

                                         
3/8"-24 water swivel adapter with 5/8" shaft                                                     3/8"-24 mini water swivel & Branson mini water swivel 1/2" shank to fit in collet

                                                                                                                 


 

           Available Options

  • Standard length is 2-1/2"; different lengths are available
  • Standard tolerance is +/- 0.001"; +/- 0.00025" available at 30% premium
  • Can be Mounted to Branson, Belgian , or other adapters
    Slots and Counterbores
  • Larger sizes available from 4mm diameter to 170mm diameter

    Drills can be mounted on: 5/8"-18 female, 3/8"-24 female or male (branson type) adaptors, or straight adapter (i.e. 1/4" diameter X 1" long or 3/8" X 1" long)

    Water Coolant Swivels: 3/8"- 24 (shown) and 5/8"- 18 Water Coolant Swivels are available

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