Brand: ATORN
Surface: ULTRA H
Length: 73 mm
Art.-no. 16855552
Manufacturer article no. 10617318
EAN 4050293410952
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				Application
HPC end mill for high-strength materials up to 1600 N/mm² and hardened steel up to 55 HRC – optimal application in trochoidal milling and in edge, corner and groove machining.
Execution
- Solid carbide ultra-fine grain
 - ULTRA H high-performance coating
 - Centre cutting
 - Uneven twist angle: 35°/38°
 - Unequal cutting edge pitch
 - Optimised cutting edge design
 - With clearance
 - Cutting edge with edge preparation
 
Advantage
- Increased material removal rate
 - High process reliability owing to robust cutting edges
 - Very good surface quality
 - Reduces vibrations
 - Ideal for static and dynamic trochoidal milling
 
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Brand  | ATORN  | 
EAN  | 4050293410952  | 
Manufacturer Part Number  | 10617318  | 
Cutting material  | SC  | 
Surface  | ULTRA H  | 
Type  | H  | 
Number of cutting edges (Z)  | 4 PCS  | 
Twist angle  | 35°, 38°  | 
Tool holding device  | HA parallel shank  | 
Construction length  | Short  | 
Cutting edge diameter  | 12 mm  | 
Cutting edge length  | 12 mm  | 
Clearance length  | 26 mm  | 
Length  | 73 mm  | 
Clearance diameter  | 11 mm  | 
Shank diameter  | 12 mm  | 
fz hard 52 HRC  | 0.03 mm  | 
Harmonized System Code  | 82077031  | 
Gross Weight  | 0.115 kg  | 
| Material groups for cutting values | Description regarding DIN | Strength Class [N/mm²] | Material No. | Vc [m/min] | fz [mm/T] at diameter | Suitability | 
|---|---|---|---|---|---|---|
| 1.00 Steels | ||||||
| 1.01 Free machining steel | 9 S 20 | < 900 | 1.0711 | - | - | ⚪ | 
| 1.02 Structural steel | ST 37-2 | <500 | 1.0037 | - | - | ⚪ | 
| 1.03 Structural steel | ST 60-2 | > 500 | 1.7735 | - | - | ⚪ | 
| 1.04 Heat-treated steel | 42 CrMo 4 | <1000 | 1.7225 | 120-140 | 0.03 | ⚫ | 
| 1.05 Cast iron | GS-45 | <1000 | 1.0446 | 120-140 | 0.03 | ⚫ | 
| 1.06 Case-hardened steel | 16 MnCr 5 | <1200 | 1.7131 | 120-140 | 0.03 | ⚫ | 
| 1.07 Ferritic/martensitic stainless steel | X 10 Cr 13 | <1100 | 1.4006 | 120-140 | 0.03 | |
| 1.08 Heat-treated steel | 43 CrMo 4 | >1000 | 1.3563 | 120-140 | 0.03 | ⚫ | 
| 1.09 Nitriding steel | 31 CrMoV 9 | <1300 | 1.8519 | 100-120 | 0.03 | ⚫ | 
| 1.10 Tool steel | X 38 CrMoV 5 1 | <1300 | 1.2343 | 100-120 | 0.02 | ⚫ | 
| 4.00 Cast metal | ||||||
| 4.01 Grey cast iron | GG10 | <260 HB | 0.6010 | 180-220 | 0.05 | ⚪ | 
| 4.02 Spheroidal graphite iron | GGG 40 | <310 HB | 0.7040 | 150-180 | 0.04 | ⚪ | 
| 4.03 Ductile iron | GTW-55 | <280 HB | 0.8055 | 120-150 | 0.04 | ⚪ | 
| 6.00 Hard materials | ||||||
| 6.01 Hardened steel -55 HRC | x40CrMoV5-1 | -55HRC | 0.9620 | 80-100 | 0.01 | ⚫ | 
| 6.02 Hardened steel -65 HRC | 90MnCrV8 | <65HRC | - | - | ||
           			
