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High-Performance Machining in Deep Cavities

The 4-flute solid carbide HPC torus cutters with corner radius and neck relief are specifically designed for demanding high-performance cutting. The integrated neck relief provides crucial clearance for machining deeper workpiece sections without the shank colliding with the walls. At the same time, the corner radius distributes the cutting forces over a larger edge area. This reduces edge wear and increases process reliability, as the reinforced corners are significantly less prone to chipping. Preventing sharp internal edges also improves the overall strength of the workpiece, while creating particularly smooth and uniform transitions during finishing and contour milling. The optimized geometry enables consistently high feed rates per tooth.

Suitable materials

Technical data

  • Mill Type: Solid Carbide HPC-Torus Cutter
  • Design: Neck relief, center cutting
  • Coating: PVD-TiAlN (Grade RT405)
  • Number of flutes: 4
  • Helix angle: 35/38°
  • Available shanks: Weldon and cylindrical shank

Dimensions of Solid Carbide HPC-Torus Cutters

Item Nr.
D r d(h6) d1 H M L Z
HPCR-Z4-D4.0-R0.2-W RT405 2554041 4 0,2 6 3,7 11 19 57 4
HPCR-Z4-D4.0-R0.5-W RT405
2554042 4 0,5 6 3,7 11 19 57 4
HPCR-Z4-D5.0-R0.2-W RT405
2554043 5 0,2 6 4,7 13 21 57
4
HPCR-Z4-D5.0-R0.5-W RT405
2554044 5 0,5 6 4,7 13 21 57
4
HPCR-Z4-D6.0-R0.2-W RT405
2554045 6 0,2 6 5,7 13 21 57
4
HPCR-Z4-D6.0-R0.5-W RT405
2554046 6 0,5 6 5,7 13 21 57
4
HPCR-Z4-D6.0-R1.0-W RT405
2554047 6 1 6 5,7 13 21 57
4
HPCR-Z4-D8.0-R0.2-W RT405
2554048 8 0,2 8 7,7 19 27 63 4
HPCR-Z4-D8.0-R0.5-W RT405
2554049 8 0,5 8 7,7 19 27 63 4
HPCR-Z4-D8.0-R1.0-W RT405
2554050 8 1 8 7,7 19 27 63 4
HPCR-Z4-D8.0-R1.5-W RT405
2554051 8 1,5 8 7,7 19 27 63 4
HPCR-Z4-D8.0-R2.0-W RT405
2554052 8 2 8 7,7 19 27 63 4
HPCR-Z4-D10.0-R0.2-W RT405
2554053 10 0,2 10 9,5 22 32 72 4
HPCR-Z4-D10.0-R0.5-W RT405
2554054 10 0,5 10 9,5 22 32 72 4
HPCR-Z4-D10.0-R1.0-W RT405
2554055 10 1 10 9,5 22 32 72 4
HPCR-Z4-D10.0-R1.5-W RT405
2554056 10 1,5 10 9,5 22 32 72 4
HPCR-Z4-D10.0-R2.0-W RT405
2554057 10 2 10 9,5 22 32 72 4
HPCR-Z4-D12.0-R0.5-W RT405
2554058 12 0,5 12 11,5 26 38 83 4
HPCR-Z4-D12.0-R1.0-W RT405
2554059 12 1 12 11,5 26 38 83 4
HPCR-Z4-D12.0-R1.5-W RT405
2554060 12 1,5 12 11,5 26 38 83 4
HPCR-Z4-D12.0-R2.0-W RT405
2554061 12 2 12 11,5 26 38 83 4
HPCR-Z4-D16.0-R1.0-W RT405
2554062 16 1 16 15,5 32 44 92 4
HPCR-Z4-D16.0-R1.5-W RT405
2554063 16 1,5 16 15,5 32 44 92 4
HPCR-Z4-D16.0-R2.0-W RT405
2554064 16 2 16 15,5 32 44 92 4
HPCR-Z4-D16.0-R3.0-W RT405
2554065 16 3 16 15,5 32 44 92 4
HPCR-Z4-D20.0-R1.0-W RT405
2554066 20 1 20 19,5 38 54 104 4
HPCR-Z4-D20.0-R1.5-W RT405
2554067 20 1,5 20 19,5 38 54 104 4
HPCR-Z4-D20.0-R2.0-W RT405
2554068 20 2 20 19,5 38 54 104 4
HPCR-Z4-D20.0-R3.0-W RT405
2554069 20 3 20 19,5 38 54 104 4
Item Nr.
D r d(h6) d1 H M L Z
HPCR-Z4-D4.0-R0.2-Z RT405
2554070 4 0,2 6 3,7 11 19 57 4
HPCR-Z4-D4.0-R0.5-Z RT405
2554071 4 0,5 6 3,7 11 19 57 4
HPCR-Z4-D5.0-R0.2-Z RT405
2554072 5 0,2 6 4,7 13 21 57 4
HPCR-Z4-D5.0-R0.5-Z RT405
2554073 5 0,5 6 4,7 13 21 57 4
HPCR-Z4-D6.0-R0.2-Z RT405
2554074 6 0,2 6 5,7 13 21 57 4
HPCR-Z4-D6.0-R0.5-Z RT405
2554075 6 0,5 6 5,7 13 21 57 4
HPCR-Z4-D6.0-R1.0-Z RT405
2554076 6 1 6 5,7 13 21 57 4
HPCR-Z4-D8.0-R0.2-Z RT405
2554077 8 0,2 8 7,7 19 27 63 4
HPCR-Z4-D8.0-R0.5-Z RT405
2554078 8 0,5 8 7,7 19 27 63 4
HPCR-Z4-D8.0-R1.0-Z RT405
2554079 8 1 8 7,7 19 27 63 4
HPCR-Z4-D8.0-R1.5-Z RT405
2554080 8 1,5 8 7,7 19 27 63 4
HPCR-Z4-D8.0-R2.0-Z RT405
2554081 8 2 8 7,7 19 27 63 4
HPCR-Z4-D10.0-R0.2-Z RT405
2554082 10 0,2 10 9,5 22 32 72 4
HPCR-Z4-D10.0-R0.5-Z RT405
2554083 10 0,5 10 9,5 22 32 72 4
HPCR-Z4-D10.0-R1.0-Z RT405
2554084 10 1 10 9,5 22 32 72 4
HPCR-Z4-D10.0-R1.5-Z RT405
2554085 10 1,5 10 9,5 22 32 72 4
HPCR-Z4-D10.0-R2.0-Z RT405
2554086 10 2 10 9,5 22 32 72 4
HPCR-Z4-D12.0-R0.5-Z RT405
2554087 12 0,5 12 11,5 26 38 83 4
HPCR-Z4-D12.0-R1.0-Z RT405
2554088 12 1 12 11,5 26 38 83 4
HPCR-Z4-D12.0-R1.5-Z RT405
2554089 12 1,5 12 11,5 26 38 83 4
HPCR-Z4-D12.0-R2.0-Z RT405
2554090 12 2 12 11,5 26 38 83 4
HPCR-Z4-D16.0-R1.0-Z RT405
2554091 16 1 16 15,5 32 44 92 4
HPCR-Z4-D16.0-R1.5-Z RT405
2554092 16 1,5 16 15,5 32 44 92 4
HPCR-Z4-D16.0-R2.0-Z RT405
2554093 16 2 16 15,5 32 44 92 4
HPCR-Z4-D16.0-R3.0-Z RT405
2554094 16 3 16 15,5 32 44 92 4
HPCR-Z4-D20.0-R1.0-Z RT405
2554095 20 1 20 19,5 38 54 104 4
HPCR-Z4-D20.0-R1.5-Z RT405
2554096 20 1,5 20 19,5 38 54 104 4
HPCR-Z4-D20.0-R2.0-Z RT405
2554097 20 2 20 19,5 38 54 104 4
HPCR-Z4-D20.0-R3.0-Z RT405
2554098 20 3 20 19,5 38 54 104 4

Cutting data

Ae Cutting speed Feed fz [mm/z]
Vc[m/min] Ø 3-5 Ø 6-8 Ø 10 Ø 12-16 Ø 20
Structural Steel <450 1/1 170-200 0,05-0,06 0,06-0,07 0,07 0,07-0,08 0,08
1/2 190-230 0,07-0,08 0,08-0,09 0,09 0,09-0,1 0,1
1/10 200-280 0,12-0,14 0,14-0,18 0,22 0,23-0,27 0,32-0,36

Tempered Steel


450-700

1/1 130-190 0,05-0,06 0,06-0,07 0,07 0,07-0,08 0,08
1/2 160-210 0,07-0,08 0,08-0,09 0,09 0,09-0,1 0,1
1/10 180-220 0,12-0,14 0,14-0,18 0,22 0,23-0,27 0,32-0,36
Tooling Steel >700 1/1 120-180 0,05-0,06 0,06-0,07 0,07 0,07-0,08 0,08
1/2 150-200 0,07-0,08 0,08-0,09 0,09 0,09-0,1 0,1
1/10 170-220 0,12-0,14 0,14-0,18 0,22 0,23-0,27 0,32-0,36
Stainless Steel <1100 1/1 60-90 0,05 0,05 0,05 0,05-0,06 0,06
1/2 80-100 0,06 0,06-0,07 0,07 0,07-0,08 0,08
1/10 100-130 0,1 0,1-0,12 0,12 0,14-0,16 0,18
Cast Iron 1/1 150-200 0,06 0,06-0,07 0,07 0,07-0,08 0,08
1/2 160-240 0,08 0,09 0,09 0,09-0,10 0,10
1/10 220-280 0,14-0,16 0,15-0,18 0,22 0,25-0,27 0,36
Hardened Steel up to 55 HRC 1/1 100 0,045-0,053 0,045-0,053 0,053 0,053-0,06 0,06
1/2 120 0,06-0,07 0,06-0,07 0,07 0,07-0,08 0,08
1/10 140 0,1-0,12 0,1-0,12 0,12-0,14 0,16 0,18

Applications

This end mill is optimally adapted for high-performance cutting (HPC) in steel, stainless steel, and cast iron. Thanks to the neck relief, it is particularly suitable for pocket milling, shoulder milling, and contour milling in deeper cavities where standard cutters reach their limits. Since the tool is center cutting, axial plunging operations and ramping are also reliably supported.

Special features

The combination of a neck relief and a corner radius makes this tool a highly flexible solution in professional CNC environments. The TiAlN coating of the high-performance grade RT405 reliably protects against thermal stress and premature wear. Available with either a Weldon or a cylindrical shank, the torus cutter can be securely clamped in various tool holders, supporting highly efficient workflows.

2554070

Data sheet

Materials
Cast Iron
Stainless Steel
Steel
Solid carbide Mills
HPC Mills
Torus Mills

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