Micro 100 Corner Rounding End Mill CRE-312-125 5/16 Shank Double End

Description

Product Overview

The Micro 100 CRE-312-125 Corner Rounding End Mill is a precision‑engineered cutting tool designed for high‑performance machining of corner radii. Constructed from high‑speed steel with an optional AlTiN coating, the tool offers exceptional wear resistance and thermal stability, making it suitable for demanding materials such as stainless steel, titanium alloys, and hardened steels. Its double‑ended configuration provides two usable cutting edges, effectively doubling productivity and reducing tool changes. The mill features a .060″ flute length, a 1/8″ radius capability, and a 5/16″ shank that fits standard CNC spindle holders. The 2‑1/2″ overall length (OAL) ensures sufficient rigidity while maintaining a compact profile for tight workspaces. With a maximum lead‑in length of .005″, the tool delivers smooth entry into the workpiece, minimizing vibration and surface imperfections.

Usage

This end mill excels in applications where clean, burr‑free corner radii are essential. It is commonly used in aerospace component fabrication, automotive engine part machining, and precision instrument manufacturing. The tool’s 1° max flare at the pilot and shoulder eliminates step formation, allowing operators to achieve a seamless transition from flat surfaces to rounded corners. Its design is optimized for high‑speed CNC milling, but it also performs well in manual milling setups where precise control over feed rates and spindle speeds is required. The double‑ended nature reduces downtime by allowing the operator to flip the tool and continue machining without swapping out the cutter, which is especially valuable in production runs with tight tolerances.

Why Choose Us

Choosing the Micro 100 Corner Rounding End Mill means selecting a tool backed by over a decade of industry experience and rigorous quality assurance processes. Each mill undergoes strict dimensional inspection to guarantee consistent radius accuracy and shank alignment. The optional AlTiN coating not only extends tool life but also provides superior lubricity, reducing heat buildup during intensive machining cycles. Our customer support team offers technical assistance for tool selection, machining parameters, and post‑processing techniques, ensuring you achieve optimal results from day one. Additionally, we provide a comprehensive warranty that covers manufacturing defects, giving you confidence in the durability and performance of every unit.

Key Features

• Double‑ended design doubles usable cutting time, cutting overall production costs.
• 5/16″ shank fits standard CNC spindles, ensuring easy tool changes and secure grip.
• .060″ flute and 1/8″ radius capability deliver precise corner rounding with minimal burr formation.
• Optional AlTiN coating provides enhanced wear resistance for machining tough alloys.
• Dedicated technical support and warranty give peace of mind and reliable after‑sales service.

FAQ

What materials can this end mill effectively machine?

The mill is suitable for a wide range of metals, including stainless steel, aluminum, titanium, and hardened tool steels. The optional AlTiN coating further expands its capability to handle high‑temperature alloys and exotic materials.

How do I determine the optimal spindle speed and feed rate?

Recommended spindle speeds range from 8,000 to 12,000 RPM for most steels, with feed rates adjusted based on material hardness and desired surface finish. Consult the included machining guide or contact our support team for customized parameters.

Can the tool be used for both CNC and manual milling?

Yes, the mill’s geometry and shank size are compatible with both CNC machines and manual milling setups. For manual use, ensure the workpiece is securely clamped and maintain consistent feed pressure to achieve the best results.

What is the benefit of the 1° max flare design?

The 1° max flare reduces the formation of steps and burrs at the transition between flat surfaces and rounded corners, resulting in smoother finishes and less post‑processing work.

Is there a warranty or guarantee for this product?

All Micro 100 Corner Rounding End Mills come with a limited warranty covering manufacturing defects. Contact our customer service for claim procedures and additional support.