RHM™ Cermet Tipped Reaming
RHM™ Cermet Tipped Reaming
RHM™ Cermet Tipped Reaming
RHM™ Cermet Tipped Reaming

RHM Heads with Helical Flutes and Internal Coolant

RHM™ Cermet Tipped Reaming

Features and benefits

  • For hole tolerance H7.

  • Intermediate sizes ground to achieve IT6 or IT7 hole tolerance class available.

  • Please order lock screw for axial use or retention knob separately.

Uses and application

  • Reaming: Through HoleReaming: Through Hole
  • Reaming: Through & Cross HolesReaming: Through & Cross Holes
  • Shank - Cylindrical  PlainShank - Cylindrical Plain
  • Reaming - Through CoolantReaming - Through Coolant

Workpiece Materials

P Steel
M Stainless Steel
K Cast Iron
S High-Temp Alloys
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Workpiece Material
  • P Steel (3)
    • P0
      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
      (3)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
      (3)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS
      (3)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS
      (3)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS
      (3)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS
      (3)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS
      (3)
  • M Stainless Steel (1)
    • M1
      Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS
      (1)
    • M2
      High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS
      (1)
    • M3
      Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS
      (1)
  • K Cast Iron (3)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS
      (3)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS
      (3)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS
      (3)
  • S High-Temp Alloys (1)
    • S1
      Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS
      (1)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS
      (1)
    • S3
      Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS
      (1)
    • S4
      Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS
      (1)
Applications
Applications
  • Through & Cross Hole Finishing Through & Cross Hole Finishing (3)
  • Through Hole Finishing Through Hole Finishing (3)
Cutting Diameter
1.0 in ;
  • 1.0 in (3)
Cutting Diameter Min to Cutting Diameter Max
Cutting Diameter
25.401 mm ;
  • 25.401 mm (3)
Cutting Diameter Min to Cutting Diameter Max
Application
Grade Of Cutting Tool
Grade Of Cutting Tool
  • KC6305 (1)
  • KT325 (1)
  • KT6215 (1)
Helix Hand
Helix Hand
  • L (1)
  • R (2)
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  • Holemaking
  • Precision Hole Finishing
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  • X Cutting Diameter = 1.0 in
  • X Cutting Diameter = 25.401 mm
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Metric
Inch
SAP Material Number ISO Catalog Number ANSI Catalog Number Grade [CSMS] System Size Machine Side [D1] Reamer Diameter Minimum [D1] Reamer Diameter Minimum [L1] Gage Length [L1] Gage Length [Z] Number of Flutes
3859677 RHM25400KST200H7HF RHM25400KST200H7HF KC6305 KST200 25.4000 1.000 16.5000 .6500 6
    This item is no longer available
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    3860384 RHM25400KST200H7HF RHM25400KST200H7HF KT325 KST200 25.4000 1.000 16.5000 .6496 6
      This item is no longer available
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      Qty
      3860865 RHM25400KST200H7HF RHM25400KST200H7HF KT6215 KST200 25.4000 1.000 16.5000 .6496 6
        List price:
        $621.28 /each
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        Grades

        • KC6305
          KC6305

          • TiAlN-PVD-coated carbide.

          • Reaming grade with highly wear-resistant substrate.

          • Particularly suitable for cast iron and steel.

          • For exceptionally high-precision finishing.

          • High-precision carbide cutting values.

          P Steel
          S High-Temp Alloys
          K Cast Iron
          M Stainless Steel
        • KT325
          KT325

          • Uncoated cermet.

          • High level of productivity at higher speed.

          • Excellent wear properties, finishing operations.

          • Steel.

          • High dimensional consistency especially in dry machining.

          P Steel
          K Cast Iron
        • KT6215
          KT6215

          • TiAlN-PVD-coated cermet.

          • Reaming grade with excellent wear resistance.

          • Required level of toughness for HPC cutting.

          • High cutting speeds in steel and cast iron fine machining.

          P Steel
          K Cast Iron
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