GWS 239‑001020 Carbide Double‑End End Mill 3/16″ × 1/2″ × 3″ 4‑Flute

GWS 239‑001020 Carbide Double‑End End Mill is a high-performance, solid-carbideduo-ended cutter designed for demanding milling applications in ferrous and non-ferrous materials. With a 3/16″ diameter, 1/2″ length of cut, and extended 3″ overall length, this 4‑flute tool features a Weldon flat shank for secure collet holding and is ideal for production milling, profiling, and finishing tasks. Made in the USA from premium C‑2 grade carbide with 10% cobalt, it delivers rigidity, accuracy, and extended tool life

H2 Features

• C‑2 grade solid carbide with 10% cobalt for maximum durability

• Double-end design doubles tool life and cost efficiency

• 4‑flute configuration reduces deflection and boosts precision and material removal

• Weldon flat shank ensures secure gripping in collets or holders

• 30° helix, bright finish, suitable for diverse materials

• Precision tolerances: +0/–0.002″ on diameter, +0/–0.0005″ on shank

H2 Technical Specifications

H2 Applications

• Precision profiling, slotting & finishing

• Deep pocket machining

• Compatible with carbon steel, stainless steel, cast iron & aluminum

• Perfect for production, die/mold, and aerospace milling

H2 Usage Tips

• Use moderate RPM & feed rates; apply coolant for longevity

• Inspect and rotate ends when one wears out

• Secure holder using Weldon flat; avoid run-out

• Regrind before dull for optimum performance

H2 Reasons to Buy

• Double-ended carbide reduces tooling costs

• 4-flute design enhances rigidity and finish

• Made in USA with premium carbide accuracy

• Versatile across metals, ideal for tough machining

• Reliable diameter tolerances ensure exact CNC work