Description
Titan Tools 21139 Vi-Pro End Mills – 4 Flute – Square, Milling are professional-grade solid carbide end mills designed for precision milling on a wide range of ferrous and exotic materials. Featuring high-performance VI-PRO variable index geometry, these end mills minimize chatter and deliver exceptional surface finishes, making them ideal for slotting, profiling, and high-speed machining applications.
Features:
- 4-flute, center-cutting, single-end square end stub length design
- Post-polished ALCRO-MAX coating for long-lasting durability
- Premium micrograin carbide construction
- Right-hand cutting, spiral flute, round shank
- Compatible with alloy steels, inconel, cast iron, titanium, stainless steel, and other exotic materials up to 50 HRC
Benefits:
- High-performance, chatter-free machining for superior finish
- Allows higher SFM and heavier chip loads
- Eccentric relief on the cutting edge enhances edge strength
- Recommended for slotting up to 1XD for efficient material removal
- Versatile use for multiple materials and applications
Technical Specifications:
- Model: 21139
- Series: V42S VI-PRO
- Cutter Diameter: 1/4 in.
- Overall Length: 2 in.
- Length of Cut: 3/8 in.
- Shank Diameter: 1/4 in.
- Flutes: 4
- Cutting Direction: Right hand
- Shank Type: Round
- Material: Solid carbide
- Coating: ALCRO-MAX





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