Corner Radius End MillsBull Nose · R0.2–R2.5mm

Factory-direct solid carbide corner radius (bull nose) end mills. Seven corner radii from R0.2–R2.5mm, three coating variants for steel (HRC55), hardened steel (HRC65), and aluminium. 4-flute geometry for superior surface finish and tool life.

Walter CNC 5-Axis Grinding
Oerlikon Balzers PVD
ZOLLER Radius Inspection
7 Radius Options
3 Coating Variants
MOQ 1 Piece

Select Coating & Corner Radius

HRC55R0.5mm

TiSiN · 4 Flute · HRC55 · R0.5mm

Protected corners for semi-finish and finish milling in steel up to HRC55

ISO PISO MISO K

Click any row to view the full SKU detail page with cutting parameters and quote request.

CUTTER DIA (D1) h7CORNER RADIUSFLUTE LENGTH (L2)SHANK DIA (D2) h6OVERALL LENGTH (L1)REACHEst. price
mmmmmmmmmm
2R0.56450Standard$6.71Details
2.5R0.57450Standard$6.99Details
3R0.58350Standard$5.16Details
3R0.59675Standard$21.30Details
3R0.511375Standard$6.87Details
3R0.5133100Standard$8.59Details
4R0.511450Standard$7.85Details
4R0.515475Standard$10.63Details
4R0.5204100Standard$13.42Details
5R0.513550Standard$11.04Details
5R0.520575Standard$15.16Details
5R0.5255100Standard$20.22Details
6R0.515650Standard$14.73Details
6R0.525675Standard$21.30Details
6R0.5306100Standard$28.40Details
6R0.5356150Standard$42.60Details
8R0.520860Standard$29.35Details
8R0.525875Standard$36.69Details
8R0.5358100Standard$48.92Details
8R0.5508150Standard$73.38Details
10R0.5251075Standard$56.24Details
10R0.54010100Standard$74.99Details
10R0.55510150Standard$112.48Details
12R0.5301275Standard$79.95Details
12R0.54512100Standard$106.60Details
12R0.56012150Standard$159.90Details

All dimensions in mm. Custom corner radii (0.1mm increment), non-standard OAL, and special helix angles available on request.

Radius Accuracy You Can Verify

Walter CNC 5-Axis Grinding

Corner radius ground to ±0.005mm. Equal arc profile on all 4 flutes ensures uniform load distribution during shoulder milling.

Oerlikon Balzers PVD

TiSiN and nACo coatings applied uniformly on the curved corner geometry — uniform hardness from flank to corner arc.

ZOLLER Radius Inspection

Corner radius measured on ZOLLER Inspector per flute. Certified radius tolerance ±0.005mm on every tool.

7 Radius Options

R0.2 · R0.3 · R0.5 · R1 · R1.5 · R2 · R2.5mm. Every standard pocket fillet specification covered in one range.

3 Coating Variants

TiSiN 4F (HRC55 steel) · nACo 4F (HRC65 hardened steel) · Uncoated 4F (aluminium & non-ferrous).

MOQ 1 Piece

No minimum order. Standard sizes ship 1–5 days. Custom radius, OAL, and helix in 5–15 days.

Need a Custom Radius or Long-Neck Configuration?

Custom corner radii in 0.1mm increments (R0.1–R3mm), extended neck relief, AlCrN or DLC coatings, and non-standard OAL. Prototypes in 5–10 days.

Send Your Requirements