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  • 2mm to 3.15mm and 5/64" to 1/8" dia.- DIN332 Form R, FormA+B and ANSI 60 degree indexable centre drill

2mm to 3.15mm and 5/64" to 1/8" dia.- DIN332 Form R, FormA+B and ANSI 60 degree indexable centre drill

  • IC 12, 16mm(5/8
i-Center Inserts
  • NC2033: 2 cutting edges, K20F grade, TiAlN coating.
       For carbon steel, alloy steel, high alloy steel and cast iron.
  • IC 12: Pilot diameter Ø2, Ø2.5 and Ø3.15mm of center carbide insert, all are interchangeable on same holder.
  • • Forms are available: DIN 332 form R, DIN 332 form A+B and ANSI 60°.
i-Center Holders
● Three type of holders for your option - weldon shank, cylindrical shank with pre-balanced and square shank 25 x 25 right / left hand.
• Cylindrical Shank:
+ Made of hardened high alloy steel, 58 HRC.
+ Shank is ground to h6 tolerance.

• Square Shank 25 x 25 Right / Left Hand:
+ For used on lathe.
+ Made of hardened high alloy steel, 40 HRC.
+ Other sizes are available on request.

• Cylindrical Shank with Pre-balanced:
+ Made of hardened high alloy steel, 58 HRC.
+ G6.3 / 10,000 r.p.m.
Nine9_center_drill_weldon_shank_square_shank_pre-balanced
i-Center Inserts
  • Various inserts can fit on the same holder.
R type center drill carbide insert
Drag left or right for more information.
Part No L1 L2 Ød1 d2 R CT±0.025 IC
I9MT12T2R0200 4.45 6.64 2.00 4.25 5.65 11.73 12
I9MT12T2R0250 5.59 8.11 2.50 5.3 7.15 13.00 12
I9MT12T2R0315 7.21 9.63 3.15 6.7 9 14.00 12
i-Center Inserts
  • ● Various inserts can fit on the same holder.
A+B type center drill carbide insert
Drag left or right for more information.
Part No L1 L2 Ød1 d2 d3 L3 CT±0.025 IC
I9MT12T2B0200 2.5 4.39 2.00 4.25 6.3 4.98 11.73 12
I9MT12T2B0250 3.1 5.53 2.50 5.3 8.0 6.28 13.0 12
I9MT12T2B0315 3.9 6.90 3.15 6.7 10.0 7.85 14.0 12
i-Center Inserts
  • ● Various inserts can fit on the same holder.
ANSI 60 Degree type center drill carbide insert
Drag left or right for more information.
Part No L1 L2 Ød1 d2 CT±0.025 IC Size
I9MT12T2A2 5/64" 4.4mm 5/64" 3/16" 12.6 12 #2
I9MT12T2A3 7/64" 5.9mm 7/64" 1/4" 13.8 12 #3
I9MT12T2A4 1/8" 7.3mm 1/8" 5/16" 14.25 12 #4
Weldon Shank

● Made of hardened high alloy steel, 58 HRC.

Nine9 R type center drill
Drag left or right for more information.
Part No Insert Size Ød ØD L1 L2 IC
99616-IC12-16F I9MT12 16 21 48 30.5 12
99616-IC12-5/8F I9MT12 5/8" 21 48 30.5 12
Cylindrical Shank with Pre-balanced
Nine9 center drill with pre-balanced
Drag left or right for more information.
Part No Insert Size Ød ØD L1 L2 IC
99616-IC12-12B I9MT12 12 21 48 51 12
Square Shank 25 x 25 Right / Left Hand
square shank 25 x 25 right / left hand
Drag left or right for more information.
Part No Insert Size L1 L2 IC
99616-IC12-R2525MF I9MT12 11 4.9 12
99616-IC12-L2525MF I9MT12 11 4.9 12
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