OSG
0.3976" Solid Carbide Drill Bit, WD1, 140° point - OSG HP255-3976
MFR# HP255-3976Series HP255
$159.35List $204.37
Save 22%
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 →
Request a quote- Fast sourcing
- Regrinding available
- 20+ yrs expertise
Flutes2
CoatingWD1
Description
The OSG HP255-3976 is a 0.3976" Solid Carbide drill bit with a WD1 finish, 140° point. Suited for steel, alloy steel, cast iron. Series HP255.
Specifications
Coating finishWD1
Coolant throughYes
Cutting directionRight Hand
Drill bit diameter tolerance+0.007 to +0.025 mm
Drill bit materialSolid Carbide
Drill bit size0.3976
Drill bit size range0.3500 - 0.4000
Drill point angle degrees140
Flute by diameter ratio5xD
Flute length (mm)71.00
Flute typeSpiral
Number of flutes2
Overall length (mm)118.00
Point typeR-Thinned
Primary workpiece materialSteel; Alloy Steel; Cast Iron
Shank diameter (mm)12.00
Shank typeStraight-Cylindrical
Spiral typeRegular
Tool applicationBlind Hole; Cross Hole; Drilling; Self-Centering
Tool performanceHigh Performance
Web configurationTapered
Web thinningR-Thinned
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.