Home » LATHELAND® Long Chip-Breaker End Mill 4×D, Weldon, 5 Flutes
LATHELAND® long chip-breaker end mill 4×D, 5 flutes, Weldon shank, AlCrN coated
LATHELAND® long chip-breaker end mill 4×D – dimension drawing (D, l1, l2, L, d2)
LATHELAND® long chip-breaker end mill 4×D, 5 flutes, Weldon shank, AlCrN coated – side view
LATHELAND® long chip-breaker end mill 4×D, 5 flutes, Weldon shank, AlCrN coated – vertical view
LATHELAND® long chip-breaker end mill 4×D, 5 flutes, Weldon shank, AlCrN coated
LATHELAND® long chip-breaker end mill 4×D – dimension drawing (D, l1, l2, L, d2)
LATHELAND® long chip-breaker end mill 4×D, 5 flutes, Weldon shank, AlCrN coated – side view
LATHELAND® long chip-breaker end mill 4×D, 5 flutes, Weldon shank, AlCrN coated – vertical view
LATHELAND

LATHELAND® Long Chip-Breaker End Mill 4×D, Weldon, 5 Flutes

In stock
SKU: LL-CL5-6
£80.23 GBP

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Long 5-flute end mill with chip breakers, for productive roughing and side milling in stainless steels, titanium and high-temperature alloys. Cutting length 4×D.

Specifications

Material Solid carbide
Coating AlCrN (hardness 3,200 HV, oxidation resistance up to 1,100 °C)
Flutes 5
Helix angle 35°/36°/37°
Shank tolerance h6, Weldon flat
Workpiece hardness below 35 HRC
Sizes available 6

Features

  • Chip breakers for short, controlled chips
  • Differential helix (35°/36°/37°) to suppress vibration
  • Recessed neck and Weldon flat shank
  • For workpieces below 35 HRC

Size table (all dimensions in mm)

SKU Ø D R l1 cutting l2 recess L overall d2 shank
LL-CL5-6 6 0.1 26 32 75 6
LL-CL5-8 8 0.2 32 38 75 8
LL-CL5-10 10 0.2 42 52 100 10
LL-CL5-12 12 0.2 42 54 100 12
LL-CL5-16 16 0.3 60 68 125 16
LL-CL5-20 20 0.3 67 75 125 20

Recommended cutting data

Starting values for stable conditions with good coolant supply. Adjust for your machine, set-up and workholding. For diameters between the listed values, interpolate between the neighbouring rows.
Spindle speed n = Vc × 1000 / (π × D)  ·  Feed rate vf = n × fz × z (drills: vf = n × fn).

Side milling
Workpiece material Carbon Steel Alloy Steel
520 < Rm < 1200 		Stainless Steel
high machinability 		Grey Cast Iron Titanium Alloy
Ap – depth of cut 1.50 × D 1.50 × D 1.50 × D 1.50 × D 1.00 × D
Ae – width of cut 0.15 × D 0.12 × D 0.10 × D 0.15 × D 0.10 × D
Vc (m/min) 270 120 120 240 80
Ø D (mm) fz (mm/tooth)
4 0.015 0.017 0.017 0.014 0.019
5 0.019 0.020 0.020 0.019 0.024
6 0.024 0.025 0.025 0.023 0.030
8 0.032 0.034 0.034 0.031 0.043
10 0.041 0.043 0.043 0.041 0.055
12 0.052 0.054 0.054 0.053 0.070
16 0.066 0.069 0.069 0.067 0.089
20 0.078 0.080 0.080 0.079 0.106
Trochoidal milling
Workpiece material Carbon Steel Alloy Steel
520 < Rm < 1200 		Stainless Steel
high machinability 		Grey Cast Iron Titanium Alloy
Max. slot width 1.25 × D 1.25 × D 1.25 × D 1.25 × D 1.25 × D
Ap – depth of cut 2.00 × D 2.00 × D 2.00 × D 2.00 × D 2.00 × D
Ae – width of cut 0.12 × D 0.10 × D 0.08 × D 0.12 × D 0.08 × D
Vc (m/min) 315 270 150 285 105
Ø D (mm) fz (mm/tooth)
4 0.014 0.014 0.014 0.013 0.018
5 0.019 0.021 0.019 0.018 0.024
6 0.025 0.028 0.026 0.024 0.030
8 0.035 0.040 0.036 0.034 0.042
10 0.046 0.055 0.049 0.046 0.056
12 0.060 0.071 0.063 0.060 0.074
16 0.071 – 0.077 0.070 0.091
20 0.080 0.100 0.088 0.080 0.107

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