3 /8 inch Solid Carbide Roughing End Mill 4 Flute Square Endmill CNC Milling Bits with AlTiN Coated for Alloy Steels /Hardened Steels

Features

• AYCHOLIZ Carbide Roughing End Mill--Cutting Diameter:3/8 inch,Shank Diameter:3/8 inch,Cutting Length:7/8 inch,Overall Length:2-1/2 inch;
• AlTiN Coating -- It is a strong coating that's coated at temperatures between 450C to 475C. It is able to provide high wear resistance, lubricity, exceptional oxidation resistance, extreme hardness, and excellent abrasive wear resistance. It has higher reliability in dry operations, heat resistance, hard machining, and the resistance can be reduced.
• High Performance Material -- 0.6m micro grain size, 100% Solid Carbide End Mill and No binder pooling , 200+ cycle stress-tested. Breakage? 95% stem from improper grinding.
• Application -- Suitable for rough machining. High machining efficiency. Good chip removal performance and large chip removal volume. High metal cutting rate. Mostly used for slot machining/step surface machining.Apply to carbon steel, alloy steel, die steel, tool steel, cast iron, titanium, etc.
• Important Usage Note: To maximize tool longevity and prevent breakage, proper cutting parameters (feed rate & speed settings) are critical. Our end mill are precision-engineered to perform best within specified ranges. Always reference parameter guidelines in product images Contact us for personalized setup assistance Wrong settings risk tool damage.
• Fine Workmanship -- Our products deliver outstanding high accuracy with an error of -0.02mm, empowering users to achieve professional cutting quality effortlessly.If any product problems upon receiving, please let us know. We will help you within 12 hours.