
YG-1
3/16" 4-Flute Solid Carbide Corner Radius End Mill - YG-1 GM639903
MFR# GM639903Series GM
$44.10List $56.56
Save 22%
In stock - ships in 1-3 business days
Request a quote
- Fast sourcing
- Regrinding available
- 20+ yrs expertise
Diameter3/16
Flutes4
MaterialSolid Carbide
Description
The YG-1 GM639903 is a 3/16 4-flute Solid Carbide (Micrograin) corner radius end mill. Suited for steel. 3/8 length of cut, 2-1/2 overall length. Series GM.
Specifications
CentercuttingNo
ChipbreakerNo
Coolant throughNo
Corner radius0.0200
Corner radius tolerance+0.0010 to -0.0010 in
Cutting directionRight Hand
End mill materialSolid Carbide
End typeCorner Radius
Extended reachNo
Flute directionRight Hand
Flute typeSpiral
For use withToolholders
Helix styleMedium
Length of cut in3/8
Length typeStub
Manufacturers catalog numberGM639903
Material applicationSteel
Material gradeMicrograin
Material removal typeRoughing & Finishing
Mill diameter in3/16
Mill diameter tolerance+0.0000/-0.0012 in
Number of flutes4
Overall length in2-1/2
PitchNormal
Primary workpiece materialSteel
Reach length in3/8
Secondary workpiece materialStainless Steel; Cast Iron
Shank diameter in1/4
Shank diameter tolerance+0.0000/-0.0003 in
Shank typeStraight-Cylindrical
Single or double endSingle
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.




