Square End High Speed Steel End Mills
HSS square end mills remain a cost-effective, versatile choice for general-purpose milling, offering good toughness and shock resistance for a wide range of materials. Available in 2, 4, and 6 flute configurations, including center cutting, non-center cutting, heavy duty (HD), and metric sizes.
Center Cutting vs. Non-Center Cutting: Center cutting end mills can plunge directly into material like a drill. Non-center cutting tools cannot plunge and require a pre-drilled hole or a ramped/helical entry — check which style a job calls for before selecting a tool.
Flute Count: 2 flute end mills offer the best chip clearance for slotting and deep cuts. 4 and 6 flute versions provide a smoother finish and greater rigidity, better suited to profiling and finishing passes.
HD and Hand Orientation Options: Heavy duty (HD) versions offer added rigidity for more aggressive cuts. Left-hand-cut and right-hand-cut options (LHC/RHC) are available for specific machine setups and multi-spindle applications.
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Compare SKU Vendor Size (D1) Shank Diameter (D2) Flute Length (L2) Reach (L3) Overall Length (L1) Length Type Corner Radius (R) Included Angle Taper Angle Helix Angle Number of Flutes Weldon Flats Flats Coating In Stock Price Quantity A68601 HTC Tool 3.0MM 3/8 3/8 2-5/16 30° 4 Uncoated Available to Order* $10.38 -
A64913 HTC Tool 1/8 3/8 3/8 2-5/16 30° 4 Uncoated Available to Order* $13.17 -
A64909 HTC Tool 1/8 3/8 3/8 2-5/16 30° 4 Uncoated Available to Order* $9.87 -
A64905 HTC Tool 1/8 3/8 3/8 2-5/16 30° 4 Uncoated Available to Order* $19.99 -
A64841 HTC Tool 1/8 3/8 3/16 2-1/8 30° 2 Uncoated Available to Order* $9.73 -
A64465 HTC Tool 1/4 3/8 5/8 2-1/2 30° 4 Uncoated Available to Order* $19.74 -
A61237 HTC Tool 2 2 10 13-3/4 30° 6 Uncoated Available to Order* $293.65 -
A61157 HTC Tool 2 2 2 5-3/4 30° 2 Uncoated Available to Order* $133.17 -
A68602 HTC Tool 3.0MM 3/8 3/8 2-5/16 30° 4 TiCN Available to Order* $15.37 -
A64916 HTC Tool 1/8 3/8 3/8 2-5/16 30° 4 TiN Available to Order* $16.46 -
A64912 HTC Tool 1/8 3/8 3/8 2-5/16 30° 4 TiN Available to Order* $13.19 -
A64908 HTC Tool 1/8 3/8 3/8 2-5/16 30° 4 TiN Available to Order* $23.31 -
A64844 HTC Tool 1/8 3/8 3/16 2-1/8 30° 2 TiN Available to Order* $13.06 -
A64468 HTC Tool 1/4 3/8 5/8 2-1/2 30° 4 TiN Available to Order* $23.06 -
A61241 HTC Tool 2 2 12 15-3/4 30° 6 Uncoated Available to Order* $322.91 -
A61158 HTC Tool 2 2 2 5-3/4 30° 2 TiCN Available to Order* $180.99 -
A68603 HTC Tool 3.0MM 3/8 3/8 2-5/16 30° 4 TiALN Available to Order* $16.20 -
A64914 HTC Tool 1/8 3/8 3/8 2-5/16 30° 4 TiCN Available to Order* $18.13 -
A64910 HTC Tool 1/8 3/8 3/8 2-5/16 30° 4 TiCN Available to Order* $14.85 -
A64906 HTC Tool 1/8 3/8 3/8 2-5/16 30° 4 TiCN Available to Order* $24.98 -
A64842 HTC Tool 1/8 3/8 3/16 2-1/8 30° 2 TiCN Available to Order* $14.71 -
A64466 HTC Tool 1/4 3/8 5/8 2-1/2 30° 4 TiCN Available to Order* $24.72 -
A61245 HTC Tool 2 2 2 5-3/4 30° 6 Uncoated Available to Order* $156.09 -
A61159 HTC Tool 2 2 2 5-3/4 30° 2 TiALN Available to Order* $188.96 -
A68604 HTC Tool 3.0MM 3/8 3/8 2-5/16 30° 4 TiN Available to Order* $13.71 -
A64915 HTC Tool 1/8 3/8 3/8 2-5/16 30° 4 TiALN Available to Order* $18.95 -
A64911 HTC Tool 1/8 3/8 3/8 2-5/16 30° 4 TiALN Available to Order* $15.67 -
A64907 HTC Tool 1/8 3/8 3/8 2-5/16 30° 4 TiALN Available to Order* $25.81 -
A64843 HTC Tool 1/8 3/8 3/16 2-1/8 30° 2 TiALN Available to Order* $15.54 -
A64467 HTC Tool 1/4 3/8 5/8 2-1/2 30° 4 TiALN Available to Order* $25.54 -
A61249 HTC Tool 2 2 3 6-3/4 30° 6 Uncoated Available to Order* $156.09 -
A61160 HTC Tool 2 2 2 5-3/4 30° 2 TiN Available to Order* $165.05 -
A68657 HTC Tool 4.0MM 3/8 7/16 2-3/8 30° 4 Uncoated Available to Order* $10.38 -
A67015 HTC Tool 5/16 3/8 3/4 2-1/2 30° 4 Uncoated Available to Order* $19.74 -
A66332 HTC Tool 3/16 3/8 1/2 2-3/8 30° 4 Uncoated Available to Order* $19.99 -
A64837 HTC Tool 1/8 3/8 3/8 2-5/16 30° 2 Uncoated Available to Order* $9.61 -
A61801 HTC Tool 5/32 3/8 7/16 2-3/8 30° 4 Uncoated Available to Order* $13.17 -
A61797 HTC Tool 5/32 3/8 7/16 2-3/8 30° 4 Uncoated Available to Order* $9.87 -
A61253 HTC Tool 2 2 4 7-3/4 30° 6 Uncoated Available to Order* $156.65 -
A61161 HTC Tool 2 2 3 6-3/4 30° 2 Uncoated Available to Order* $157.47 -
A68658 HTC Tool 4.0MM 3/8 7/16 2-3/8 30° 4 TiCN Available to Order* $15.37 -
A67018 HTC Tool 5/16 3/8 3/4 2-1/2 30° 4 TiN Available to Order* $23.06 -
A66335 HTC Tool 3/16 3/8 1/2 2-3/8 30° 4 TiN Available to Order* $23.31 -
A64840 HTC Tool 1/8 3/8 3/8 2-5/16 30° 2 TiN Available to Order* $12.93 -
A61804 HTC Tool 5/32 3/8 7/16 2-3/8 30° 4 TiN Available to Order* $16.46 -
A61800 HTC Tool 5/32 3/8 7/16 2-3/8 30° 4 TiN Available to Order* $13.19 -
A61257 HTC Tool 2 2 5 8-3/4 30° 6 Uncoated Available to Order* $191.25 -
A61162 HTC Tool 2 2 3 6-3/4 30° 2 TiCN Available to Order* $210.82 -
A68659 HTC Tool 4.0MM 3/8 7/16 2-3/8 30° 4 TiALN Available to Order* $16.20 -
A67016 HTC Tool 5/16 3/8 3/4 2-1/2 30° 4 TiCN Available to Order* $24.72 -
A66333 HTC Tool 3/16 3/8 1/2 2-3/8 30° 4 TiCN Available to Order* $24.98 -
A64838 HTC Tool 1/8 3/8 3/8 2-5/16 30° 2 TiCN Available to Order* $14.57 -
A61802 HTC Tool 5/32 3/8 7/16 2-3/8 30° 4 TiCN Available to Order* $18.13 -
A61798 HTC Tool 5/32 3/8 7/16 2-3/8 30° 4 TiCN Available to Order* $14.85 -
A61261 HTC Tool 2 2 6 9-3/4 30° 6 Uncoated Available to Order* $192.90 -
A61163 HTC Tool 2 2 3 6-3/4 30° 2 TiALN Available to Order* $219.71 -
A68660 HTC Tool 4.0MM 3/8 7/16 2-3/8 30° 4 TiN Available to Order* $13.71 -
A67017 HTC Tool 5/16 3/8 3/4 2-1/2 30° 4 TiALN Available to Order* $25.54 -
A66334 HTC Tool 3/16 3/8 1/2 2-3/8 30° 4 TiALN Available to Order* $25.81 -
A64839 HTC Tool 1/8 3/8 3/8 2-5/16 30° 2 TiALN Available to Order* $15.40 -
A61803 HTC Tool 5/32 3/8 7/16 2-3/8 30° 4 TiALN Available to Order* $18.95 -
A61799 HTC Tool 5/32 3/8 7/16 2-3/8 30° 4 TiALN Available to Order* $15.67 -
A61265 HTC Tool 2 2 8 11-3/4 30° 6 Uncoated Available to Order* $228.99 -
A61164 HTC Tool 2 2 3 6-3/4 30° 2 TiN Available to Order* $193.04 -
A68609 HTC Tool 4.5MM 3/8 1/2 2-3/8 30° 4 Uncoated Available to Order* $11.32 -
A66356 HTC Tool 3/16 3/8 1/2 2-3/8 30° 4 Uncoated Available to Order* $13.17 -
A65944 HTC Tool 3/8 3/8 3/4 2-1/2 30° 4 Uncoated Available to Order* $19.74 -
A64833 HTC Tool 1/8 3/8 3/8 2-3/8 30° 2 Uncoated Available to Order* $16.84 -
A64469 HTC Tool 1/4 3/8 5/8 2-1/2 30° 4 Uncoated Available to Order* $19.99 -
A62209 HTC Tool 11/64 3/8 1/2 2-3/8 30° 4 Uncoated Available to Order* $13.57 -
A61269 HTC Tool 2 2 2 5-3/4 30° 4 Uncoated Available to Order* $175.05 -
A61165 HTC Tool 2 2 4 7-3/4 30° 2 Uncoated Available to Order* $166.80 -
A68610 HTC Tool 4.5MM 3/8 1/2 2-3/8 30° 4 TiCN Available to Order* $16.30 -
A66359 HTC Tool 3/16 3/8 1/2 2-3/8 30° 4 TiN Available to Order* $16.46 -
A65947 HTC Tool 3/8 3/8 3/4 2-1/2 30° 4 TiN Available to Order* $23.06 -
A64836 HTC Tool 1/8 3/8 3/8 2-3/8 30° 2 TiN Available to Order* $20.16 -
A64472 HTC Tool 1/4 3/8 5/8 2-1/2 30° 4 TiN Available to Order* $23.31 -
A62212 HTC Tool 11/64 3/8 1/2 2-3/8 30° 4 TiN Available to Order* $16.86 -
A61273 HTC Tool 2 2 3 6-3/4 30° 4 Uncoated Available to Order* $175.05 -
A61166 HTC Tool 2 2 4 7-3/4 30° 2 TiCN Available to Order* $229.33 -
A68611 HTC Tool 4.5MM 3/8 1/2 2-3/8 30° 4 TiALN Available to Order* $17.13 -
A66357 HTC Tool 3/16 3/8 1/2 2-3/8 30° 4 TiCN Available to Order* $18.13 -
A65945 HTC Tool 3/8 3/8 3/4 2-1/2 30° 4 TiCN Available to Order* $24.72 -
A64834 HTC Tool 1/8 3/8 3/8 2-3/8 30° 2 TiCN Available to Order* $21.81 -
A64470 HTC Tool 1/4 3/8 5/8 2-1/2 30° 4 TiCN Available to Order* $24.98 -
A62210 HTC Tool 11/64 3/8 1/2 2-3/8 30° 4 TiCN Available to Order* $18.52 -
A61277 HTC Tool 2 2 4 7-3/4 30° 4 Uncoated Available to Order* $153.91 -
A61167 HTC Tool 2 2 4 7-3/4 30° 2 TiALN Available to Order* $239.76 -
A68612 HTC Tool 4.5MM 3/8 1/2 2-3/8 30° 4 TiN Available to Order* $14.64 -
A66358 HTC Tool 3/16 3/8 1/2 2-3/8 30° 4 TiALN Available to Order* $18.95 -
A65946 HTC Tool 3/8 3/8 3/4 2-1/2 30° 4 TiALN Available to Order* $25.54 -
A64835 HTC Tool 1/8 3/8 3/8 2-3/8 30° 2 TiALN Available to Order* $22.65 -
A64471 HTC Tool 1/4 3/8 5/8 2-1/2 30° 4 TiALN Available to Order* $25.81 -
A62211 HTC Tool 11/64 3/8 1/2 2-3/8 30° 4 TiALN Available to Order* $19.35 -
A61281 HTC Tool 2 2 5 8-3/4 30° 4 Uncoated Available to Order* $200.58 -
A61168 HTC Tool 2 2 4 7-3/4 30° 2 TiN Available to Order* $208.49 -
A68713 HTC Tool 5MM 3/8 5/8 2-1/2 30° 4 Uncoated Available to Order* $11.32 -
A67489 HTC Tool 7/16 3/8 1 2-3/4 30° 4 Uncoated Available to Order* $24.60 -
A66352 HTC Tool 3/16 3/8 1 2-7/8 30° 4 Uncoated Available to Order* $15.53 -
A66344 HTC Tool 3/16 3/8 1/2 2-3/8 30° 4 Uncoated Available to Order* $9.87
* Lead times can vary from 1–10 business days. Call (908) 98-ATLAS or email sales@atlascuttingtools.com for details.