HOT MILLS FOR TOUGH CHALLENGES AND HARD APPLICATIONS

🇺🇸 HTC — MADE IN MICHIGAN, USA

Hot Mill Solid Carbide End Mills

Built for tough alloys and hard applications — AlTiN and Sky Coat coatings that take the heat, in stock at direct pricing.

Not sure? Take the 2-question selector →

Find yours in three steps: pick the tip style, then the flute count — 4 flutes for chip room in slots, 5 flutes for extra rigidity and finer finishes — then the shortest length that reaches.

⬛ Radius Series — Square End

Slots, walls, shoulders and profiling in tough, hard materials — the flat-bottom workhorse.

4 Flute

Stub (19) Standard (19) Long (10) Extra Long (11) Long Reach (8)

5 Flute

Stub (19) Standard (20) Long (10) Extra Long (11) Long Reach (8)

⚫ Ball Nose

3D contours, die & mold work and profiling in hardened and abrasive materials.

4 Flute

Stub (18) Standard (19)

5 Flute

Stub (19) Standard (18)

Prefer to filter the whole range by diameter and coating? Browse all Hot Mills →

Dial In Your Cut

Free TechTips resources for end mill users — machinist tested.

⚙️ Speeds & Feeds CalculatorsThe right RPM and feed rate for your end mill, material and setup.Open calculator → 📏 Chip Load (FPT) CalculatorFeed per tooth keeps carbide cutting instead of rubbing — with chip thinning compensation.Open calculator → ⏱️ MRR CalculatorHow hard your end mill is really working, and where your cycle time goes.Open calculator →

More help: Milling TechTips · Troubleshooting · Carbide vs. HSS Guide