Product Introduction
3 Flute Square Milling Cutter features a 45° helix angle, sharp cutting edges, and DLC coating options. Available in multiple sizes and extended lengths for precision milling.
3 Flute Square Milling Cutter
The 3 Flute Square Milling Cutter is designed for efficient and precise milling operations. Featuring a three-flute design and 45° helix angle, it provides smooth cutting performance, effective chip evacuation, and improved machining stability. Available in uncoated and DLC-coated options, it offers flexibility for different machining requirements. The standard models feature cutting diameters from 1.5 mm to 20 mm, with overall lengths of 50–150 mm. Extended-length versions are also available, with cutting lengths of 60–150 mm and overall lengths of 120–250 mm. The cutter features a square end design for flat-bottom milling and precise edge machining. With multiple specifications , it is suitable for various CNC milling applications.
| Specification | d(mm) | (mm) | D(mm) | (mm) | Flute |
| Specification | Diameter | Flute length | Shank diameter | Total length | Teeth |
| D1.5*4.5*D4*50L*3F | 1.5 | 4.5 | 4.0 | 50 | 3 |
| D2*6*D4*50L*3F | 2 | 6.0 | 4.0 | 50 | 3 |
| D2.5*7.5*D4*50L*3F | 2.5 | 7.5 | 4.0 | 50 | 3 |
| D3*9*D4*50L*3F | 3 | 9.0 | 4.0 | 50 | 3 |
| D3*9*D3*50L*3F | 3 | 9.0 | 3.0 | 50 | 3 |
| D3*12*D3*75L*3F | 3 | 12.0 | 3.0 | 75 | 3 |
| D3*15*D3*100L*3F | 3 | 15.0 | 3.0 | 100 | 3 |
| D3.5*10*D4*50L*3F | 3.5 | 10.0 | 4.0 | 50 | 3 |
| D4*12*D4*50L*3F | 4 | 12.0 | 4.0 | 50 | 3 |
| D4*16*D4*75L*3F | 4 | 16.0 | 4.0 | 75 | 3 |
| D4*20*D4*100L*3F | 4 | 20.0 | 4.0 | 100 | 3 |
| D5*15*D6*50L*3F | 5 | 15.0 | 6.0 | 50 | 3 |
| D5*15*D5*50L*3F | 5 | 15.0 | 5.0 | 50 | 3 |
| D5*20*D5*75L*3F | 5 | 20.0 | 5.0 | 75 | 3 |
| D5*25*D5*100L*3F | 5 | 25.0 | 5.0 | 100 | 3 |
| D6*18*D6*50L*3F | 6 | 18.0 | 6.0 | 50 | 3 |
| D6*24*D6*75L*3F | 6 | 24.0 | 6.0 | 75 | 3 |
| D6*30*D6*100L*3F | 6 | 30.0 | 6.0 | 100 | 3 |
| D8*24*D8*60L*3F | 8 | 24.0 | 8.0 | 60 | 3 |
| D8*30*D8*75L*3F | 8 | 30.0 | 8.0 | 75 | 3 |
| D8*35*D8*100L*3F | 8 | 35.0 | 8.0 | 100 | 3 |
| D10*30*D10*75L*3F | 10 | 30.0 | 10.0 | 75 | 3 |
| D10*45*D10*100L*3F | 10 | 45.0 | 10.0 | 100 | 3 |
| D12*35*D12*75L*3F | 12 | 35.0 | 12.0 | 75 | 3 |
| D12*45*D12*100L*3F | 12 | 45.0 | 12.0 | 100 | 3 |
| D14*45*D14*100L*3F | 14 | 45.0 | 14.0 | 100 | 3 |
| D16*45*D16*100L*3F | 16 | 45.0 | 16.0 | 100 | 3 |
| D18*45*D18*100L*3F | 18 | 45.0 | 18.0 | 100 | 3 |
| D20*45*D20*100L*3F | 20 | 45.0 | 20.0 | 100 | 3 |
| D6*45*D6*150L*3F | 6 | 45.0 | 6.0 | 150 | 3 |
| D8*50*D8*150L*3F | 8 | 50.0 | 8.0 | 150 | 3 |
| D10*60*D10*150L*3F | 10 | 60.0 | 10.0 | 150 | 3 |
| D12*60*D12*150L*3F | 12 | 60.0 | 12.0 | 150 | 3 |
| D14*70*D14*150L*3F | 14 | 70.0 | 14.0 | 150 | 3 |
| D16*75*D16*150L*3F | 16 | 75.0 | 16.0 | 150 | 3 |
| D18*75*D18*150L*3F | 18 | 75.0 | 18.0 | 150 | 3 |
| D20*75*D20*150L*3F | 20 | 75.0 | 20.0 | 150 | 3 |
| Extended Length 3-Flute Flat End Mill (Uncoated) | |||||
| Specification | d(mm) | (mm) | D(mm) | (mm) | Flute |
| Specification | Diameter | Blade length | Shank diameter | Total length | Teeth |
| D12*60*120L*3F | 12 | 60 | 12 | 120 | 3 |
| D8*70*200L*3F | 8 | 70 | 8 | 200 | 3 |
| D10*80*200L*3F | 10 | 80 | 10 | 200 | 3 |
| D12*80*200L*3F | 12 | 80 | 12 | 200 | 3 |
| D14*100*200L*3F | 14 | 100 | 14 | 200 | 3 |
| D16*100*200L*3F | 16 | 100 | 16 | 200 | 3 |
| D20*100*200L*3F | 20 | 100 | 20 | 200 | 3 |
| D8*80*250L*3F | 8 | 80 | 8 | 250 | 3 |
| D10*100*250L*3F | 10 | 100 | 10 | 250 | 3 |
| D12*100*250L*3F | 12 | 100 | 12 | 250 | 3 |
| D16*150*250L*3F | 16 | 150 | 16 | 250 | 3 |
| D20*150*250*3F | 20 | 150 | 20 | 250 | 3 |
