Class of Fit:H3
Measurement System:Imperial
Overall Length:2-1/2 in
Series:290
Shank Diameter:0.255 in
Thread Length:1 in
Thread Standard:UNC
Cutting Direction:Right Hand
Thread Size:1/4-20
Thread Limit:H3
Chamfer Type:Semi-Bottoming
Flute Direction:Right Hand
Number of Flutes:3
Finish/Coating:Steam Oxide
Material:HSS-E