5/16" x 3-1/2" Round Ground High Polished Chamfer one end 10% Cobalt Grade 9008

Diameter: 5/16"

Diameter (Decimal): 0.3125"

h6 Tolerance: +0/-0.00035"

Length: 3-1/2"

Length (Decimal): 3.50"

Tolerance: +0.40/-0"

Chamfer: 0.024(+/-0.008)"

Weight: 0.1406 lbs.

Material: Tungsten Carbide

Grain Size: Sub-Micron

Grade: 9008

Hardness: 92.0 HRa

TRS (MPa): 3500

Surface Finish: High Polished(0.1 μm Max Ra)