LM HRC55 Square End Mills 4 Flute
High Performance, High Hardness & Universal Application
Unequal helix angle design (36-38°) enables optimal cutting conditions, ensuring stable cutting performance and extended tool life. The ultra-fine grain substrate delivers high wear resistance at both high and low speeds.
Applications Areas
- Efficient Machining of Ordinary Steel: (HRC 20-38°)
- Machining of Mold Steel :(HRC 38°-52)
- Machining of Heat:Treated Materials (HRC 52°-60°)
Products Categories
Get A Free Quote
LM Product Advantages
- Unequal helix angle of 36°-38°:Optimal cutting conditions to ensure stable cutting performance
- Ultra-fine grain substrate:It achieves high wear resistance at both high and low speeds
- Nano-multilayer composite coating
- Surface Precision Grinding Treatment: Improves Surface Quality and Extends Tool Life
- Tolerance of End Mill Diameter:1 ＜ D≤6 -0.010 ～ -0.030;6 ＜ D≤10 -0.015 ～ -0.040;10 ＜ D≤20 -0.020 ～ -0.050
LM HRC60 Square End Mills 4 Flute Technical
| Square End mill | ||||||
| Cat.No | DIA | Lc | Shank | OVL | Flutes | Figure No. |
| 3*8*3*50 | 3 | 8 | 3 | 50 | 4 | 2 |
| 3*12*3*75 | 3 | 12 | 3 | 75 | 4 | 2 |
| 3*15*3*100 | 3 | 15 | 3 | 100 | 4 | 2 |
| 1*3*4*50 | 1 | 3 | 4 | 50 | 4 | 1 |
| 1.5*4*4*50 | 1.5 | 4 | 4 | 50 | 4 | 1 |
| 2*5*4*50 | 2 | 5 | 4 | 50 | 4 | 1 |
| 2.5*7*4*50 | 2.5 | 7 | 4 | 50 | 4 | 1 |
| 3*8*4*50 | 3 | 8 | 4 | 50 | 4 | 1 |
| 3.5*10*4*50 | 3.5 | 10 | 4 | 50 | 4 | 1 |
| 4*10*4*50 | 4 | 10 | 4 | 50 | 4 | 2 |
| 4*16*4*75 | 4 | 16 | 4 | 75 | 4 | 2 |
| 4*20*4*100 | 4 | 20 | 4 | 100 | 4 | 2 |
| 5*13*5*50 | 5 | 13 | 5 | 50 | 4 | 2 |
| 5*20*5*75 | 5 | 20 | 5 | 75 | 4 | 2 |
| 5*25*5*100 | 5 | 25 | 5 | 100 | 4 | 2 |
| 2.5*7*6*50 | 2.5 | 7 | 6 | 50 | 4 | 1 |
| 3*8*6*50 | 3 | 8 | 6 | 50 | 4 | 1 |
| 3.5*10*6*50 | 3.5 | 10 | 6 | 50 | 4 | 1 |
| 4*10*6*50 | 4 | 10 | 6 | 50 | 4 | 1 |
| 4.5*12*6*50 | 4.5 | 12 | 6 | 50 | 4 | 1 |
| 5*13*6*50 | 5 | 13 | 6 | 50 | 4 | 1 |
| 6*15*6*50 | 6 | 15 | 6 | 50 | 4 | 2 |
| 6*25*6*75 | 6 | 25 | 6 | 75 | 4 | 2 |
| 6*30*6*100 | 6 | 30 | 6 | 100 | 4 | 2 |
| 6*40*6*150 | 6 | 40 | 6 | 150 | 4 | 2 |
| 7*18*8*60 | 7 | 18 | 8 | 60 | 4 | 1 |
| 8*20*8*60 | 8 | 20 | 8 | 60 | 4 | 2 |
| 8*28*8*75 | 8 | 28 | 8 | 75 | 4 | 2 |
| 8*35*8*100 | 8 | 35 | 8 | 100 | 4 | 2 |
| 8*50*8*150 | 8 | 50 | 8 | 150 | 4 | 2 |
| 9*23*10*75 | 9 | 23 | 10 | 75 | 4 | 1 |
| 10*25*10*75 | 10 | 25 | 10 | 75 | 4 | 2 |
| 10*40*10*100 | 10 | 40 | 10 | 100 | 4 | 2 |
| 10*50*10*150 | 10 | 50 | 10 | 150 | 4 | 2 |
| 11*28*12*75 | 11 | 28 | 12 | 75 | 4 | 1 |
| 12*30*12*75 | 12 | 30 | 12 | 75 | 4 | 2 |
| 12*45*12*100 | 12 | 45 | 12 | 100 | 4 | 2 |
| 12*60*12*150 | 12 | 60 | 12 | 150 | 4 | 2 |
| 14*35*14*80 | 14 | 35 | 14 | 80 | 4 | 2 |
| 14*45*14*100 | 14 | 45 | 14 | 100 | 4 | 2 |
| 14*60*14*150 | 14 | 60 | 14 | 150 | 4 | 2 |
| 16*45*16*100 | 16 | 45 | 16 | 100 | 4 | 2 |
| 16*60*16*150 | 16 | 60 | 16 | 150 | 4 | 2 |
| 18*45*18*100 | 18 | 45 | 18 | 100 | 4 | 2 |
| 18*70*18*150 | 18 | 70 | 18 | 150 | 4 | 2 |
| 20*45*20*100 | 20 | 45 | 20 | 100 | 4 | 2 |
| 20*70*20*150 | 20 | 70 | 20 | 150 | 4 | 2 |
Please adjust the parameters accroding to the material and hardness of work pieces.
| Recommended Cutting Speed Table | |||||||||||||
| Material Category | Strength | Hardness(HB/HRC) | Cutting Speed(m/min) | ||||||||||
| (N/mm²) | MIN | Recommended | MAX | ||||||||||
| P | Carbon Steel | <600 | <230 | 160 | 180 | 210 | |||||||
| Alloy Steel | <1200 | <350 | 120 | 160 | 180 | ||||||||
| High-Alloy Steel & Tool Steel | <1400 | <380 | 120 | 160 | 180 | ||||||||
| M | Austenitic-Ferritic Stainless Steel | <680 | <220 | 120 | 180 | 210 | |||||||
| Martensitic Stainless Steel | <820 | <380 | 100 | 120 | 160 | ||||||||
| K | Gray Cast Iron | <280 | 120 | 150 | 180 | ||||||||
| Ductile Iron | – | <320 | 90 | 110 | 130 | ||||||||
| N | Non-Ferrous Alloys | <250 | <110 | ||||||||||
| Aluminum Alloys | <530 | <130 | – | – | |||||||||
| S | Superalloys | <3300 | <350 | 40 | 60 | 80 | |||||||
| Titanium Alloys | <2100 | <400 | 70 | 90 | 110 | ||||||||
| H | High-Hardness Steel | <54HRC | 90 | 120 | 150 | ||||||||
| High-Hardness Steel | 54-60HRC | 90 | 110 | 130 | |||||||||
| High-Hardness Steel | – | >60 HRC | 70 | 90 | 110 | ||||||||
Get Free Quote of LM HRC55 Square End Mills 4 Flute
Packaging & Delivery
- One plastic pipe pack one piece,10 pcs per group
- Put goods enclosed with air bubble paper into box
- Other package is accepted according to customer’s requirement
Shipment: UPS/Fedex/DHL/TNT/EMS/ect
