Helical Solutions

3/8" 4-Flute Solid Carbide Ball End Mill, Tplus - Helical Solutions 86890

MFR# 86890Series HSV-RN-4

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Diameter3/8

Flutes4

MaterialSolid Carbide

CoatingTplus

Description

The Helical Solutions 86890 is a 3/8 4-flute Solid Carbide (Carbide) ball end mill with a Tplus finish for longer tool life. Suited for stainless steel, high-temp alloy, hardened materials. 1/2 length of cut, 4 overall length. Series HSV-RN-4.

Specifications

CentercuttingYes

ChipbreakerNo

Coating finishTplus

Coating finish familyTplus

Coolant throughNo

Cutting directionRight Hand

End mill materialSolid Carbide

Extended reachYes

Flute directionRight Hand

Flute typeSpiral

Length of cut in1/2

Length typeStub

Manufacturers catalog number86890

Material gradeCarbide

Material removal typeRoughing & Finishing

Mill diameter in3/8

Mill diameter tolerance+0.0000/-0.0020 in

Neck diameter0.3560

Neck length1.6200

Nose radius0.1875

Number of flutes4

Overall length in4

Overall length tolerance+0.0620/-0.0620 in

Primary workpiece materialStainless Steel; High-Temp Alloy; Hardened Materials

Reach length in2-1/8

Secondary workpiece materialSteel; Stainless Steel; Cast Iron

Shank diameter in3/8

Shank diameter toleranceh6

Shank typeStraight-Cylindrical

Single or double endSingle

System of measurementFractional Inch

Tir maximum0.0005

Variable helixNo

Variable indexYes

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