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1/4 x 1/4 x 1/2 x 2-1/2, STR440, R020, AlTiN Stabilizer Carbide End Mill (Cut Dia. x Shank Dia. x LOC x OAL) Also known as Niagara Cutter Part # N09897 STR440-0.250-D2-R020.0-Z4 ALTIN Name Description Value APMXS depth of cut maximum in feed direction side 12.7 mm CGT cutting geometry type STR440 Cmax helical interpolation hole diameter maximum 11.6 mm Cmin helical interpolation hole diameter minimum 8.3 mm DC Cutting diameter 6.4 mm Designation Product Designation STR440.250D2R020.0Z4 Designation Ansi Product ANSI Designation STR440-0.250-D2-R020.0-Z4 DMM shank diameter 6.4 mm FHA Flute Helix Angle 40.0 deg Grade Grade ALTIN ICC internal coolant channel No ItemNumber Item Number 17001999 OAL Overall Length 63.5 mm PSIR tool lead angle 0.0 deg RE corner radius 0.5 mm
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🇺🇸 Ship from USA · On Agora since 2026
$24.60