Dormer HSS Cobalt Weldon Shank End Mill ( No. 247 – Short Series )

HIGHLIGHTS:

We sell only Original Dormer cutting tools — trusted worldwide for their precision, durability, and consistent manufacturing quality. The Dormer HSS Cobalt Weldon Shank End Mill (No. 247 – Short Series) is designed for milling, slotting, profiling, side cutting, and material removal in metalworking and machining applications. It is designed for shoulder milling, slot milling, and ramping in free machining and plain carbon steel and copper or copper alloys.

Manufactured to the DIN 844 K standard with a powder metallurgical HSS-E construction and bright finish, the C247 features a 30° helix angle and 12° rake angle for efficient chip evacuation and smooth cutting performance. As a short series end mill, it offers greater rigidity than long series equivalents — an advantage for shoulder milling, slot milling, and finishing operations where reduced tool deflection is critical to surface finish and dimensional accuracy.

The Weldon shank design supports secure holding in compatible milling machine setups, ensuring reliable, repeatable cutting performance under the lateral forces generated during milling operations. Available in both inch and metric sizes, the No. 247 series gives machinists, fabricators, and industrial users a reliable milling bit for precision cutting operations across a broad range of cutter and shank diameters.

FEATURES:

• Original Dormer Product – Guaranteed genuine Dormer tool, manufactured to the brand's exacting quality and precision standards.
• HSS-E Cobalt Powder Metallurgy Construction – Robust cobalt-alloyed HSS core delivers enhanced durability and heat resistance for demanding milling work.
• Weldon Flat Shank – Supports secure holding in compatible milling machine setups for reliable, repeatable cutting performance.
• Short Series Geometry – Greater rigidity compared to long series equivalents, reducing tool deflection for improved surface finish and slot consistency.
• 30° Helix Angle with 12° Rake Angle – Efficient chip evacuation and smooth cutting action.
• 4-Flute Standard, 5-Flute on Largest Sizes – Consistent 4-flute design across most of the range, stepping up to 5 flutes on the 7/8" and 1" sizes for improved finish on larger cuts.
• Manufactured to DIN 844K Standard – Meets recognized industry dimensional standards for short-series end mills.
• Bright Finish – Standard uncoated bright finish suitable for general-purpose milling applications.
• Wide Size Range – Available in both imperial and metric sizes, from 1/8" up to 1" and 3mm up to 25mm, to match a broad range of milling tasks.

APPLICATIONS:

• Shoulder milling
• Slot milling and ramping
• Profiling and side cutting
• Milling free machining and plain carbon steels
• Milling copper and copper alloys
• General machine shop, fabrication, and maintenance milling work