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​Features

  • Inserts with four cutting edges
  • Precision-ground inserts ensure that splines meet DIN 7 quality
  • The same cutter body can hold inserts for different spline profiles

Application

  • External splines
  • Roughing to finishing
  • All machine types
  • Dry machining

Spline profiles in accordance with DIN and ANSI standards. Other profiles available on demand.


CoroMill 171.4
Spline module range, mm (DP)0.8–3.0 (32/64–8/16)
Tool diameter range, mm (inch)30–125 (1.2–5)
Coupling typeCoromant Capto®, arbor, bore with keyway, cylindrical shaft
Number of cutting edges/insert4
Insert gradeGC1130

​Stocked cutter body assortment

Tool body
Insert size
Diameter
Coupling
Number of inserts
Insert options / teeth size
R171.4-30A25-S4 S 30 mm Cyl. shank 25 mm 4 Small / module range 0.8–1.5
R171.4-50C4-M5 M 50 mm Capto C4 5 Medium / module range 1.5–2.5
R171.4-63C5-L5 L 63 mm Capto C5 5 Large / module range 2.5–3.0
RA171.4-31D19-S4 S 1 ¼ inch Cyl. shank ¾ inch 4 Small / DP range 32/64–16/32
RA171.4-51C4-M5 M 2 inch Capto C4 5 Medium / DP range 16/32–10/20
RA171.4-64C5-L5 L 2 ½ inch Capto C5 5 Large / DP range 10/20–8/16

​Engineered cutter body assortment

  • Tool diameter range: 30–125 mm (1.2–5 inch)
  • Couplings: Coromant Capto®, cylindrical shank, Weldon, arbor, bore with keyway

 
 
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