Helical Solutions

1/4" 3-Flute Solid Carbide Ball End Mill - Helical Solutions 81537

MFR# 81537Series 3 Flute, Ball - 40 Helix, Variable Pitch, Reduced Neck, End Mills for Aluminum Alloys & Non-Ferrous Materials

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Diameter1/4

Flutes3

MaterialSolid Carbide

CoatingBright/Uncoated

Description

The Helical Solutions 81537 is a 1/4 3-flute Solid Carbide (Carbide) ball end mill. Suited for non-ferrous metal. 3/8 length of cut, 3 overall length. Series 3 Flute, Ball - 40 Helix, Variable Pitch, Reduced Neck, End Mills for Aluminum Alloys & Non-Ferrous Materials.

Specifications

ChipbreakerNo

Coating finishBright/Uncoated

Coolant throughNo

Cutting directionRight Hand

End mill materialSolid Carbide

Extended reachYes

Flute directionRight Hand

Flute typeSpiral

Helix angle40

Helix styleHigh

Length of cut in3/8

Length typeStub

Manufacturers catalog number81537

Material gradeCarbide

Material removal typeRoughing & Finishing

Mill diameter in1/4

Mill diameter toleranceh6

Neck diameter0.2370

Neck length1.2450

Nose radius0.1250

Number of flutes3

Overall length in3

Overall length tolerance+0.0620/-0.0620 in

Primary workpiece materialNon-Ferrous Metal

Reach length in1-5/8

Shank diameter in1/4

Shank diameter toleranceh6

Shank typeStraight-Cylindrical

Single or double endSingle

System of measurementFractional Inch

Tir maximum0.0003

Variable helixNo

Variable indexYes

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