OSG
1/2in" 2-Flute Cobalt Ball End Mill - OSG 5217100
MFR# 5217100Series 521
$126.78List $159.77
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.
⚡ Need it urgently? Confirm stock & ship time →
- Fast sourcing
- Regrinding available
- 20+ yrs expertise
Diameter1/2in
Flutes2
MaterialCobalt
CoatingBright/Uncoated
Description
The OSG 5217100 is a 1/2in 2-flute Cobalt (M42) ball end mill. Suited for steel. 2in length of cut, 4in overall length. Series 521.
Specifications
Additional informationHSS-Co End Mill High Performance Cobalt HSS End Mills For General Milling Applications
ChipbreakerNo
Coating finishBright/Uncoated
Coolant throughNo
Cutting directionRight Hand
End mill materialCobalt
Extended reachNo
Flute directionRight Hand
Flute typeHelical
Helix angle30
Helix styleMedium
Length of cut in2in
Length typeStandard
Manufacturers catalog number5217100
Material gradeM42
Material removal typeRoughing & Finishing
Mill diameter in1/2in
Mill diameter tolerance+0.0011/-0.0000 in
Neck length0.0000
Nose radius0.2500
Number of flutes2
Overall length in4in
Primary workpiece materialSteel
Reach length2.0000
Secondary workpiece materialStainless Steel; Cast Iron; Non-Ferrous Metal; Hard Material
Shank diameter in1/2in
Shank diameter tolerance-0.0002/-0.0005 in
Shank typeWeldon Flat
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.
Spec-matched alternates load as the catalog fills in. Meanwhile, browse the End Mills collection and filter by diameter, flutes & length of cut.