Helical Solutions

1/4in" 4-Flute Solid Carbide Ball End Mill, APLUS - Helical Solutions 81694

MFR# 81694Series 4 Flute, Ball - Variable Pitch, Reduced Neck (Aplus), End Mills for Steels, Tool Steels, & Cast Iron

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Diameter1/4in

Flutes4

MaterialSolid Carbide

CoatingAPLUS

Description

The Helical Solutions 81694 is a 1/4in 4-flute Solid Carbide (Carbide) ball end mill with a APLUS finish for longer tool life. Suited for steel, stainless steel, cast iron. 3/8in length of cut, 4 overall length. Series 4 Flute, Ball - Variable Pitch, Reduced Neck (Aplus), End Mills for Steels, Tool Steels, & Cast Iron.

Specifications

ChipbreakerNo

Coating finishAPLUS

Coolant throughNo

Cutting directionRight Hand

End mill materialSolid Carbide

Extended reachYes

Flute directionRight Hand

Flute typeHelical

Length of cut in3/8in

Length typeStub

Manufacturers catalog number81694

Material gradeCarbide

Material removal typeRoughing & Finishing

Mill diameter in1/4in

Mill diameter tolerance+0.0000/-0.0020 in

Neck diameter0.2370in

Neck length1.2450

Nose radius0.1250

Number of flutes4

Overall length in4

Overall length tolerance+0.0620/-0.0620 in

Primary workpiece materialSteel; Stainless Steel; Cast Iron

Reach length in1-5/8

Shank diameter in1/4

Shank diameter toleranceh6

Shank typeStraight-Cylindrical

Single or double endSingle

System of measurementFractional Inch

Tir maximum0.0005

Variable helixNo

Variable indexYes

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