0.625-in Dia 3-Flute End Mill, 0.875-in LOC, 0.625-in Shank, 3.5-in OAL, 0.3125-in CR
High performance solid carbide ball end mill for stainless steel and other difficult materials. The B-300 series has patented hone cutting edges to reduce chipping and produce the best finishes in difficult materials. These tools also come with different PVD coatings. The most popular and best performing coating is AlTiN. The B-300 is the best tool for cuts not requiring long cutting edges. This tool is really rigid and strong and used in CNC milling machines.
PREVIEW AND DIAGRAM (B-300)


Specifications
Cutting Dia | 0.625″ |
Flute Len | 0.875″ |
Shank Dia | 0.625″ |
Overall Len | 3.5″ |
Tolerances
Cutting Diameter | +.000/−.002″ |
Length of Cut | +.030/−.000″ |
Shank Diameter | −.0001/−.0002″ |
Overall Length | ±.060″ |
Catalog
Catalog Page | 48 |
Speed & Feeds
Material | Surface Feet | 1/4" | 5/16" | 3/8" | 1/2" | 5/8" | 3/4" | 1" | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Material | SFM | RPM | CLPT | RPM | CLPT | RPM | CLPT | RPM | CLPT | RPM | CLPT | RPM | CLPT | RPM | CLPT |
CAST IRON | |||||||||||||||
Ductile | 350 | 5348 | 0.0024 | 4278 | 0.0030 | 3565 | 0.0036 | 2674 | 0.0048 | 2139 | 0.0060 | 1783 | 0.0072 | 1337 | 0.0096 |
Gray | 500 | 7640 | 0.0032 | 6112 | 0.0040 | 5093 | 0.0048 | 3820 | 0.0064 | 3056 | 0.0080 | 2547 | 0.0096 | 1910 | 0.0128 |
STAINLESS STEEL | |||||||||||||||
303 | 500 | 7640 | 0.0012 | 6112 | 0.0015 | 5093 | 0.0018 | 3820 | 0.0024 | 3059 | 0.0030 | 2547 | 0.0036 | 1910 | 0.0048 |
304 | 225 | 3438 | 0.0008 | 2750 | 0.0010 | 2292 | 0.0012 | 1719 | 0.0016 | 1375 | 0.0020 | 1146 | 0.0024 | 860 | 0.0032 |
316 | 240 | 3667 | 0.0008 | 2934 | 0.0010 | 2445 | 0.0012 | 1834 | 0.0016 | 1467 | 0.0020 | 1222 | 0.0024 | 917 | 0.0032 |
15-5/17-4 | 200 | 3056 | 0.0008 | 2445 | 0.0010 | 2037 | 0.0012 | 1528 | 0.0016 | 1222 | 0.0020 | 1019 | 0.0024 | 764 | 0.0032 |
4440C | 200 | 3056 | 0.0008 | 2445 | 0.0010 | 20374 | 0.0012 | 1528 | 0.0016 | 1222 | 0.0020 | 1019 | 0.0024 | 764 | 0.0032 |
TOOL STEEL (ANNEALED) | |||||||||||||||
A2 | 350 | 5348 | 0.0008 | 4278 | 0.0010 | 3565 | 0.0012 | 2674 | 0.0016 | 2139 | 0.0020 | 1783 | 0.0024 | 1337 | 0.0032 |
D2 | 260 | 3973 | 0.0008 | 3178 | 0.0010 | 2649 | 0.0012 | 1986 | 0.0016 | 1589 | 0.0020 | 1324 | 0.0024 | 993 | 0.0032 |
H13 | 230 | 3514 | 0.0008 | 2812 | 0.001 | 2343 | 0.0012 | 1757 | 0.0016 | 1406 | 0.002 | 1171 | 0.0024 | 879 | 0.0032 |
P20 | 350 | 5348 | 0.0012 | 4278 | 0.0016 | 3565 | 0.0019 | 2674 | 0.0025 | 2139 | 0.0031 | 1783 | 0.0037 | 1337 | 0.0050 |
TITANIUM | |||||||||||||||
Com.Pure | 350 | 5348 | 0.0012 | 4278 | 0.0015 | 3565 | 0.0018 | 2674 | 0.0024 | 2139 | 0.0030 | 1783 | 0.0036 | 1337 | 0.0048 |
6AL-4V | 230 | 3514 | 0.0012 | 2812 | 0.0015 | 2343 | 0.0018 | 1757 | 0.0024 | 1406 | 0.0030 | 1171 | 0.0036 | 879 | 0.0048 |
6AL-6V | 180 | 2750 | 0.0010 | 2200 | 0.0013 | 1834 | 0.0015 | 1375 | 0.0020 | 1100 | 0.0025 | 917 | 0.0030 | 688 | 0.0040 |
INCONEL | |||||||||||||||
625/718 | 100 | 1528 | 0.0009 | 1222 | 0.0011 | 1019 | 0.0014 | 764 | 0.0018 | 611 | 0.0023 | 509 | 0.0027 | 382 | 0.0036 |
Other Tools in this Series
Tool # | Cutting Dia | Flute Len | Shank Dia | Overall Len | Coatings | Pg. # |
---|---|---|---|---|---|---|
B-300-04 | 0.125″ | 0.25″ | 0.125″ | 1.5″ | Uncoated AlTiN TiCN TiN | 48 |
B-300-06 | 0.1875″ | 0.3125″ | 0.1875″ | 2″ | Uncoated AlTiN TiCN TiN | 48 |
B-300-08 | 0.25″ | 0.3125″ | 0.25″ | 2.5″ | Uncoated AlTiN TiCN TiN | 48 |
B-300-10 | 0.3125″ | 0.4375″ | 0.3125″ | 2.5″ | Uncoated AlTiN TiCN TiN | 48 |
B-300-12 | 0.375″ | 0.5″ | 0.375″ | 2.5″ | Uncoated AlTiN TiCN TiN | 48 |
B-300-16 | 0.5″ | 0.625″ | 0.5″ | 3″ | Uncoated AlTiN TiCN TiN | 48 |
B-300-24 | 0.75″ | 1″ | 0.75″ | 4″ | Uncoated AlTiN TiCN TiN | 48 |
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