STEAM BLACK OXIDE COATED, 

BLACK OXIDE IS A SURFACE TREATMENT THAT PREVENTS 

CHIP BUILDING, GALLING, AND WELDING ON THE WORKPIECE,

IT'S COMMONLY USED ON LOW CARBONS, STRAINLESS STEEL, 

AND FERROUS METALS, 

THREAD SIZE: 1/4-28

THREAD LIMIT: GH3

2 FLUTE

RIGHT HANDED THREADING

HIGH SPEED STEEL MATERIAL