TuffCut® DM (M.A. Ford) comprises high-performance solid carbide end mills (Series 156, Series 157, and Series 158) engineered specifically for high-productivity milling of hard and difficult-to-cut materials. This tool line is optimized for materials ranging from Rc 45 to Rc 65, featuring advanced ALtima® 52 coating designed for materials Rc 52 and above.
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- Series 156: 2-Flute Ball End Mills designed for high-productivity milling of hard and difficult-to-cut materials (Rc 45-60; ALtima® 52 coated for Rc 52+). Features a 20° helix angle and center cutting design.
- Series 157: Multi-Flute Square End Mills designed for hardened materials Rc 50–65. Available as a square end and in 7 standard corner radii. Coated with ALtima® 52 for materials Rc 52 and above. Features a 45° helix angle.
- Series 158: 4-Flute End Mills designed with a TuffCut® XR-similar geometry, incorporating features optimized for die and mold steels and hard-to-machine materials up to 65 Rc. Coated with ALtima® 52 for materials Rc 52 and above. Features a 35°/38° helix angle.
- Coatings & Materials: Solid carbide construction coated with ALtima® 52.
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Series 156: 2-Flute Ball End Mills (Selected Sample Matrix)
Series 157: Multi-Flute Square & Corner Radius End Mills (Selected Sample Matrix)
Series 158: 4-Flute End Mills (Selected Sample Matrix)
Tolerances
- Series 156 Inch D1 Tolerance: 1/64 - 1/2:
+.0 /-.0005 - Series 156 Metric D1 Tolerance: 0.50 - 12.00 mm:
+.0 /-.015 - Series 156 Inch D2 Tolerance (h5):
- .1182 - .2362:
+.0 /-.00020 - .2363 - .3937:
+.0 /-.00024 - .3938 - .7087:
+.0 /-.00031 - Series 156 Metric D2 Tolerance (h5):
- 3.01 - 6.00 mm:
+.0 /-.005 - 6.01 - 10.00 mm:
+.0 /-.006 - 10.01 - 18.00 mm:
+.0 /-.008 - Series 156 Radius Tolerance:
+/.0004 inch (±.010 mm) - Series 157 Inch D1 Tolerance:
- 1/8 - 3/16:
-.0006/-.0015 - 1/4 - 5/8:
-.0008/-.0019 - Series 157 Metric D1 Tolerance:
- 3.0 mm:
-.005/-.028 - 4.0 - 6.0 mm:
-.015/-.038 - 8.0 - 16.0 mm:
-.020/-.048 - 20.0 - 25.0 mm:
-.020/-.053 - Series 158 Metric D1 Tolerance: 3.0 - 20.0 mm:
+0/-.02 - Series 158 Metric D2 Tolerance (h6):
- 3 mm:
+0/-.006 - 3.01 - 6.0 mm:
+0/-.008 - 6.01 - 10.0 mm:
+0/-.009 - 10.01 - 18.0 mm:
+0/-.011 - 18.01 - 20.0 mm:
+0/-.013
