• Sumitomo Electric Hardmetal SUMIBORON RM High-Speed Cutter for Cast Iron
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Sumitomo Electric Hardmetal SUMIBORON RM High-Speed Cutter for Cast Iron

Sumitomo Electric Hardmetal SUMIBORON RM High-Speed Cutter for Cast Iron

SUMIBORON cutter for high-speed, high-efficiency milling of grey cast iron at cutting speeds up to 1,500 m/min.

Key features

  • Solid SUMIBORON inserts, double-sided 8 corners
  • Wiper inserts available
  • Simple fine runout adjustment
RM3080R Cutting dia DC (mm): 80 | Body dia BD (mm): 90 | Boss dia DCSFMS (mm): 60 | Height LF (mm): 50 | Bore dia DCB (mm): 25.4 | Keyway width KWW (mm): 9.5 | Keyway depth KDP (mm): 6 | Counterbore depth CBDP (mm): 25 | Teeth: 6 | Max speed (min-1): 9,000 | Weight (kg): 1.6
RM3100R Cutting dia DC (mm): 100 | Body dia BD (mm): 110 | Boss dia DCSFMS (mm): 70 | Height LF (mm): 50 | Bore dia DCB (mm): 31.75 | Keyway width KWW (mm): 12.7 | Keyway depth KDP (mm): 8 | Counterbore depth CBDP (mm): 32 | Bolt dia D1 (mm): 46 | Teeth: 8 | Max speed (min-1): 8,000 | Weight (kg): 2.1
RM3125R Cutting dia DC (mm): 125 | Body dia BD (mm): 135 | Boss dia DCSFMS (mm): 80 | Height LF (mm): 63 | Bore dia DCB (mm): 38.1 | Keyway width KWW (mm): 15.9 | Keyway depth KDP (mm): 10 | Counterbore depth CBDP (mm): 38 | Bolt dia D1 (mm): 59 | Teeth: 10 | Max speed (min-1): 7,000 | Weight (kg): 3.9
RM3160R Cutting dia DC (mm): 160 | Body dia BD (mm): 170 | Boss dia DCSFMS (mm): 100 | Height LF (mm): 63 | Bore dia DCB (mm): 50.8 | Keyway width KWW (mm): 19.1 | Keyway depth KDP (mm): 11 | Counterbore depth CBDP (mm): 38 | Bolt dia D1 (mm): 80 | Teeth: 12 | Max speed (min-1): 6,000 | Weight (kg): 5.9
Milling CuttersSumitomo Electric Hardmetal
4 product codes available in this family
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Sumitomo Electric Hardmetal SUMIBORON RM High-Speed Cutter for Cast Iron

Brand Sumitomo Electric Hardmetal·Milling Cutters

Available part numbers (4)

RM3080R, RM3100R, RM3125R, RM3160R

How to order

Send the Sumitomo Electric Hardmetal part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
RM3080RCutting dia DC (mm): 80 | Body dia BD (mm): 90 | Boss dia DCSFMS (mm): 60 | Height LF (mm): 50 | Bore dia DCB (mm): 25.4 | Keyway width KWW (mm): 9.5 | Keyway depth KDP (mm): 6 | Counterbore depth CBDP (mm): 25 | Teeth: 6 | Max speed (min-1): 9,000 | Weight (kg): 1.6
RM3100RCutting dia DC (mm): 100 | Body dia BD (mm): 110 | Boss dia DCSFMS (mm): 70 | Height LF (mm): 50 | Bore dia DCB (mm): 31.75 | Keyway width KWW (mm): 12.7 | Keyway depth KDP (mm): 8 | Counterbore depth CBDP (mm): 32 | Bolt dia D1 (mm): 46 | Teeth: 8 | Max speed (min-1): 8,000 | Weight (kg): 2.1
RM3125RCutting dia DC (mm): 125 | Body dia BD (mm): 135 | Boss dia DCSFMS (mm): 80 | Height LF (mm): 63 | Bore dia DCB (mm): 38.1 | Keyway width KWW (mm): 15.9 | Keyway depth KDP (mm): 10 | Counterbore depth CBDP (mm): 38 | Bolt dia D1 (mm): 59 | Teeth: 10 | Max speed (min-1): 7,000 | Weight (kg): 3.9
RM3160RCutting dia DC (mm): 160 | Body dia BD (mm): 170 | Boss dia DCSFMS (mm): 100 | Height LF (mm): 63 | Bore dia DCB (mm): 50.8 | Keyway width KWW (mm): 19.1 | Keyway depth KDP (mm): 11 | Counterbore depth CBDP (mm): 38 | Bolt dia D1 (mm): 80 | Teeth: 12 | Max speed (min-1): 6,000 | Weight (kg): 5.9

Need a different model, or a part not listed here? Send us your parts list →

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