1mm to 3.15mm dia.- DIN332 Form R, Form A+B and Form A indexable centre drill

  • IC 08 - 10mm(3/8

i-Center Inserts

DIN332 Form R - 1mm to 3.15mm dia. indexable centre drill_ insert NC5074
  • • NC5074: 2 cutting edges, P40 grade Helica coating, for IC08 inserts.
        For carbon steel, alloy steel, high alloy steel, provides a smooth cutting and helps the cutting chip to be removed easily.
  • • Forms are available: DIN 332 form R, DIN 332 form A+B and DIN 332 form A.
  • Various inserts can fit on the same holder.

i-Center Holders:
Pilot diameter Ø1mm ~ Ø3.15mm of insert (0.039" ~ 0.124"). All are interchangeable on same holder.

• 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.

center drill_weldon shank_square shank

Inquiry
i-Center Inserts
  • ● Various inserts can fit on the same holder.
Nine9 center drill insert_form R
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STEP IC Part No Ød1 L1 L2 d2 R CT±0.025
08 I9MT08T1R0100-NC5074 1.00
(0.039")		 2.16
(0.085")		 4.14
(0.163")		 2.12
(0.083”)		 2.8
(0.110")		 7.55
(0.297")
08 I9MT08T1R0125-NC5074 1.25
(0.049")		 2.74
(0.108")		 4.64
(0.183")		 2.65
(0.104")		 3.5
(0.138")		 7.90
(0.311")
08 I9MT08T1R0160-NC5074 1.60
(0.063")		 3.45
(0.136")		 5.13
(0.202")		 3.35
(0.132”)		 4.5
(0.177")		 8.4
(0.331”)
08 I9MT08T1R0200-NC5074 2.00
(0.079")		 4.45
(0.175")		 6.08
(0.240")		 4.25
(0.167”)		 5.65
(0.222")		 9.10
(0.358”)
i-Center Inserts
  • ● Various inserts can fit on the same holder.

Nine9 center drill insert_form A+B
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IC Part No Ød1 L1 L2 d2 d3 L3 CT±0.025
08 I9MT08T1B0100-NC5074 1.00
(0.039")		 1.3
(0.051")		 2.21
(0.087")		 2.12
(0.083”)		 3.15
(0.124")		 2.51
(0.099")		 7.55
(0.297")
08 I9MT08T1B0125-NC5074 1.25
(0.049")		 1.6
(0.063")		 2.75
(0.108")		 2.65
(0.104")		 4.0
(0.157")		 3.14
(0.124")		 7.9
(0.311")
08 I9MT08T1B0160-NC5074 1.60
(0.063")		 2.0
(0.079")		 3.46
(0.136")		 3.35
(0.132”)		 5.0
(0.197")		 3.93
(0.155")		 8.4
(0.331”)
08 I9MT08T1B0200-NC5074 2.00
(0.079")		 2.5
(0.098")		 4.39
(0.173")		 4.25
(0.167”)		 6.3
(0.248")		 4.98
(0.196")		 9.1
(0.358”)
i-Center Inserts
  • ● Various inserts can fit on the same holder.
Nine9 center drill insert_form A
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IC Part No Ød1 L1 L2 d2 d3 L3 CT±0.025
08 I9MT08T1A0200-NC5074 2.0
(0.079")		 2.15
(0.085”)		 4.10
(0.161”)		 4.25
(0.167”)		 8
(0.315")		 7.35
(0.289”)		 10.5
(0.413")
08 I9MT08T1A0250-NC5074 2.5
(0.098")		 2.58
(0.102")		 5.00
(0.197")		 5.3
(0.209”)		 8
(0.315")		 7.34
(0.289")		 10.5
(0.413")
08 I9MT08T1A0315-NC5074 3.15
(0.124")		 3.23
(0.127")		 6.30
(0.248")		 6.7
(0.264”)		 8
(0.315")		 7.43
(0.293")		 10.5
(0.413")
Cylindrical shank

● Made of hardened high alloy steel, 58 HRC.

Nine9 center drill holder_ic08
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IC Part No Insert Size Ød L1 L2 ØD
08 99616-IC08-10F I9MT08 10
(0.394”)		 30
(1.181")		 18.5
(0.728")		 12
(0.472")
08 99616-IC08-3/8F I9MT08 3/8" 30
(1.181")		 18.5
(0.728")		 12
(0.472")
Square Shank 25 x 25 Right / Left Hand
• For used on lathe.
• Made of hardened alloy steel, 40 HRC.
• Other sizes are available on request.
Right Hand 25 x 25 Square Shank_for nine9 i-center
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IC Part No Insert Size L1 L2
08 99616-IC08-R2525MF I9MT08 8
(0.315")		 3.25
(0.128")
08 99616-IC08-L2525MF I9MT08 8
(0.315")		 3.25
(0.128")
Cylindrical Shank with Pre-balanced
• Made of hardened high alloy steel, 58 HRC.
• G6.3 / 10,000 r.p.m.

Nine9 indexable center drill_Cylindrical Shank with Pre-balanced
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IC Part No Insert Size L1 L2 ØD
08 99616-IC08-10B I9MT08 30
(1.181")		 33.5
(1.319")		 12
(0.472")
Catalog Cutting Data Application Examples
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