5/16-18 H3 SPIRAL POINT PLUG TAP OSG #1230801
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: 5/16-18, THREAD LIMIT: H3,
2 FLUTE, RIGHT HANDED THREADING,
HIGH SPEED STEEL MATERIAL,