4mm x R0.3 4 Flute Corner Radius End Mills for Steel

£19.76 - £21.60 inc. VAT
£16.47 - £18.00 ex. VAT


4 Flute Corner Radius End Mills for Steel

  • Endmills for pre-hardened and hardened steel(HRc50~62)
  • Good wear resistance by Si-based PVD coating.
  • High precise edge tolerance.
  • Designed for minimizing edge chipping by corner R shape.
  • Various corner R and overall length for wide range application.
  • Outstanding performance at high speed machining by ultra fine(0.2µm) WC grade.

Download Technical Specifications .pdf

PartNumber Diameter Length of Cut Overall Length Shank Dia
D x R L1 L d
4NCR040003060 4 x R0.3 9 60 4
4NCR040003080 4 x R0.3 9 80 4
4NCR040003S06 4 x R0.3 10 70 6


Extra Information

JJ Tools
Diameter (D x R):
4mm x R0.3
Length of Cut (L1):
9mm, 10mm
Overall Length (L):
60mm, 70mm, 80mm
Shank Diameter (d):
4mm, 6mm