Supermill

1/4" 4-Flute Solid Carbide Square End Mill, AlTiN - Supermill 5251147

MFR# 5251147Series SAP-NB

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Diameter1/4

Flutes4

MaterialSolid Carbide

CoatingAlTiN

Description

The Supermill 5251147 is a 1/4 4-flute Solid Carbide (Micrograin) square end mill with a AlTiN finish for longer tool life. Suited for hardened materials, high-temp alloy. 3/4 length of cut, 2-1/2 overall length. Series SAP-NB.

Specifications

CentercuttingYes

ChipbreakerNo

Coating finishAlTiN

Coating finish familyAlTiN

Coolant throughNo

Cutting directionRight Hand

End mill materialSolid Carbide

Extended reachNo

Flute directionRight Hand

Flute typeSpiral

Helix angle35

Length of cut in3/4

Length of cut range0.7000 - 0.8000

Material gradeMicrograin

Mill diameter in1/4

Mill diameter tolerance+0.0000 to -0.0020 in

Number of flutes4

Overall length in2-1/2

Overall length tolerance+0.0500/-0.0000 in

Primary workpiece materialHardened Materials; High-Temp Alloy

Shank diameter in1/4

Shank diameter toleranceh6

Shank typeStraight

Single or double endSingle

System of measurementFractional Inch

Variable helixNo

Variable indexYes

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