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Bright uncoated cobalt end mill, 5/16 inch diameter, four flutes, single square end, 3/8 inch shank

Cleveland Golf

Cleveland Golf Cobalt End Mill 5/16 4 Flute Single End CC

SKU CH-VKQ1-RY9F0

Cobalt end mill with four flutes and a 30-degree helix for finishing cuts

  • TypeHole, Drill, Bore & Wire Gauges
  • Cobalt construction resists wear during finishing cuts
  • 4-flute design produces smooth surface finishes
  • 30-degree helix angle balances chip evacuation and strength
  • 5/16 inch cutting diameter suits precision milling tasks
  • Bright uncoated finish allows easy wear inspection

Cleveland Cobalt End Mill 5/16

This 5/16 inch cobalt square end mill is a general-purpose cutting tool for milling operations. It features four flutes and a single-end design with a 3/8 inch shank diameter. The bright uncoated finish suits standard machining tasks. Machinists and fabricators use it for finishing work in a variety of materials.

Four-flute geometry limits chip clearance

The 30-degree helix angle and four-flute configuration reduce chip space compared to two-flute tools. This makes deep slotting or heavy roughing less efficient in sticky alloys. The fixed 3/4 inch length of cut restricts reach in deep cavities. Right-hand cutting direction requires standard spindle rotation.

Replaces worn high-speed steel finishing cutters

Upgrading from high-speed steel extends tool life in abrasive or moderately hard materials. The cobalt substrate resists heat better during prolonged finishing passes. The jump is worth it when uncoated HSS tools dull too quickly or chip on tougher stock. It does not suit heavy roughing where chip evacuation is critical.

Highlights

  • Cobalt construction resists wear during finishing cuts
  • 4-flute design produces smooth surface finishes
  • 30-degree helix angle balances chip evacuation and strength
  • 5/16 inch cutting diameter suits precision milling tasks
  • Bright uncoated finish allows easy wear inspection

Specifications

BrandCleveland
TypeHole, Drill, Bore & Wire Gauges

Questions about this item

Should I pick the 5/16 inch diameter or the 3/8 inch shank size for my job?

The 5/16 inch milling diameter determines the cut width, while the 3/8 inch shank fits the tool holder; choose based on the feature you are machining and your holder capacity.

What does the 3/4 inch length of cut mean when the tool is in the spindle?

It allows a maximum 3/4 inch deep cut in a single pass, suitable for finishing pockets or profiles up to that depth with the 4-flute cobalt design.

How does the bright uncoated finish affect performance on a standard milling machine?

The bright finish lacks a coating, so it relies on the cobalt substrate and 30-degree helix for chip evacuation and wear resistance in general-purpose finishing.

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