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NON-FERROUS
PLASTICS/COMPOSITES
168
www.kyocera-sgstool.com
END MILLS
END MILLS
45
FRACTIONAL SERIES
inch
EDP NO.
CUTTING
DIAMETER
D
1
LENGTH
OF CUT
L
2
OVERALL
LENGTH
L
1
SHANK
DIAMETER
D
2
REACH*
L
3
CORNER
RADIUS
R
UNCOATED
W/FLAT
UNCOATED
Ti-NAMITE-B
(TiB
2
)
W/FLAT
Ti-NAMITE-B
(TiB
2
)
1/4 3/8 2-1/2 3/8 1 .010 91257
91250
91242
91235
5/16 7/16 2-1/2 3/8 1-1/8 .012 91258
91251
91243
91236
3/8 9/16 2-1/2 3/8 1-1/8 .015 91259
91252
91244
91237
1/2 3/4 3 1/2 1-1/2 .020 91260
91253
91245
91238
5/8 7/8 3-1/2 5/8 1-3/4 .025 91261
91254
91246
91239
3/4 1
4 3/4 2 .030 91262
91255
91247
91240
1 1-1/4 4
1 2-1/8 .040 91263
91256
91248
91241
*Reach (Optional)
FRACTIONAL
Ski-Carb
• Polished ski land
with primary and
secondary flute wall
design minimizes chip
interference by directing
chips away from
secondary flute
• Circular land allows for
increased control at
various speed and feed
rates ultimately reducing
chatter
• Recommended for
materials ≤ 150 Bhn
(≤ 7 HRc)
POS
2
TOLERANCES
(inch)
1/4–3/8
DIAMETER
D
1
=
+0.0000/–0.00035
D
2
=
h
6
R =
+0.0000/–0.0020
1/2–5/8
DIAMETER
D
1
=
+0.0000/–0.00043
D
2
=
h
6
R =
+0.0000/–0.0020
3/4–1
DIAMETER
D
1
=
+0.0000/–0.00051
D
2
=
h
6
R =
+0.0000/–0.0020
For patent
information visit
www.ksptpatents.com