Specification Brand : Rushmore USA ItemName : Rushmore 5/16" 2 Flute Carbide Single End Mill with .030" Corner Radius ItemTypeKeyword : corner-radius-end-mills Manufacturer : RUSHMORE USA Material : Carbide PartNumber : 20-504-418 ProductDescription : BENEFITS Provides a strong corner on the end mill where a radius is permissible. Corner radius allows more strength and minimizes chipping. Eliminates standard end mill alterations. Longer tool life. Applications Used to produce a radius in the corner of a slot or pocket. Features 10% cobalt micrograin carbide. PRODUCT SPECIFICATIONS Brand Rushmore USA Radius_R .030" Size 5/16" Shank Diameter 5/16" Flute Length 13/16" Overall Length 2-1/2" No. of Flutes 2 Corner Radius .030" Shank Style Straight Shank Tolerance_Diameter +.002/-.000 Tolerance_Mill Diameter +0.000"/-0.002" Tool Material 10% Cobalt Micrograin Carbide Tolerance_Shank Diameter -0.0001"/-0.0004" End Type Corner Radius Single End Flute Shape Spiral Flute Type 2 Flute Solid Carbide Corner Radius Single End Mill Weight 0.08 lbs. Country of Origin UNITED STATES OF AMERICA ProductSiteLaunchDate : 2017-07-14T17:05:51.895Z UnspscCode : 27112803