Helical Solutions

5/16" 3-Flute Solid Carbide Square End Mill - Helical Solutions 81557

MFR# 81557Series End Mills for Aluminum - 3 Flute - Square - 45 deg Helix

$61.78List $66.91 Save 7%

In stock - ships in 1-3 business days

Request a quote

Fast sourcing
Regrinding available
20+ yrs expertise

Diameter5/16

Flutes3

MaterialSolid Carbide

CoatingBright/Uncoated

Description

The Helical Solutions 81557 is a 5/16 3-flute Solid Carbide square end mill. Suited for aluminum & non-ferrous. 1-9/16 length of cut, 3 overall length. Series End Mills for Aluminum - 3 Flute - Square - 45 deg Helix.

Specifications

CentercuttingYes

ChipbreakerNo

Coating finishBright/Uncoated

Coating finish familyBright/Uncoated

Coolant throughNo

Cutting directionRight Hand

End mill materialSolid Carbide

Extended reachNo

Flute directionRight Hand

Flute typeHelical

Helix angle45

Length of cut in1-9/16

Material gradeSolid Carbide

Mill diameter in5/16

Number of flutes3

Overall length in3

Primary workpiece materialAluminum & Non-Ferrous

Shank diameter in5/16

Shank typeStraight

Single or double endSingle

System of measurementFractional Inch

Variable helixNo

Variable indexNo

Can't find your exact tool?Send us a part number — we'll cross-reference it. Dull tools?Regrinding extends tool life and saves cost.

Alternate & equivalent tools

Matched on diameter, flute count, and material. Need a specific brand or coating? Cross-reference this tool.