0.3750" 4-Flute Solid Carbide Single End Mill, AlCrN - American Tool Service 640-3750

American Tool Service

0.3750" 4-Flute Solid Carbide Single End Mill, AlCrN - American Tool Service 640-3750

MFR# 640-3750Series 640

$51.80List $65.27 Save 20%
Usually ships in 1-3 business days

Ship times are estimates. We confirm availability on every order and email you right away if anything changes.

Supplier prices are confirmed before checkout. If one has changed since this page was updated, we show you the new price before you pay.

Request a quote
  • Fast sourcing
  • Regrinding available
  • 20+ yrs expertise
Flutes4
MaterialSolid Carbide
CoatingAlCrN

Description

The American Tool Service 640-3750 is a 0.3750 4-flute Solid Carbide (Micrograin) single end mill with a AlCrN finish for longer tool life. 7/8 length of cut. Series 640.

Specifications

CentercuttingYes
ChipbreakerNo
Coating finishAlCrN
Cutting directionRight Hand
End mill materialSolid Carbide
End typeSingle
Extended reachNo
Flute directionRight Hand
Flute typeSpiral
Length of cut in7/8
Length typeRegular
Material gradeMicrograin
Mill diameter0.3750
Mill diameter frac in3/8
Mill diameter tolerance+0.000 to -0.002 in
Number of flutes4
Overall length tolerance+0.060/-0.060 in
Shank diameter in3/8
Shank diameter tolerance+0.0000/-0.0005 in
Shank typeStraight-Cylindrical
Variable helixYes
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.

Widia3/8" 4-Flute Solid Carbide Corner Radius & Corner Chamfer End Mill, AlTiN - Widia 5577390 $89.02 Guhring0.3750" 4-Flute Solid Carbide Roughing End Mill, FIREX - Guhring 9031900095200 $181.68 ProMax3/8" 4-Flute Solid Carbide Square End Mill, AlTiN - ProMax 111-02414 $64.81 Supermill0.3750" 4-Flute Solid Carbide Roughing End Mill, AlTiN - Supermill 5253168 $81.06