Heavy Duty CAT40 Side Lock End Mill Holder 1.0 Inch Shank 3.0 Inch Length Weldon Style Precision Ground Carbon Steel TIR 0.0002 Inch 25000 RPM USA Made
✔️ Single-piece CAT40 end mill holder, Weldon style, TIR 0.0002 in
Designed for CNC milling centers, this heavy‑duty CAT40 end mill holder is a single-unit clamp that fits 1.0 in shank tooling with a 3.0 in length. Built for high RPM and tight runout, it’s ideal for metalworking tasks in aluminum, steel, and beyond.
✅ Shank size: 1.0 in (25.4 mm) diameter
✅ Length: 3.0 in (76.2 mm) overall
✅ Taper: CAT40, Weldon style side lock
✅ Runout tolerance: 0.0002 in (0.0051 mm) TIR
✅ Material: carbon steel, precision ground
✅ RPM rating: up to 25,000 RPM
✅ Made in USA
💡 What is a CAT40 end mill holder used for in CNC milling? This handy explanation helps you understand its role. - Keeps end mills securely aligned in CAT40 spindles to reduce runout - Side lock Weldon design minimizes tool slip during heavy cuts - Supports high RPM operation up to 25,000 with tight TIR for accuracy