M3512-S,METRIC THUMB SCREWPLAIN STEEL4.5
M3512-SS,METRIC THUMB SCREWPLAIN STAINLES
M3512-SS-26,METRIC THUMB SCREWBLACK OXIDE, S
M3512-SS-4,METRIC THUMB SCREWCHROME OVER NI
M3513-AL,METRIC THUMB SCREWPLAIN ALUMINUM
M3513-AL-6,METRIC THUMB SCREWGOLD IRIDITE4.
M3513-B,METRIC THUMB SCREWPLAIN BRASS4.5
M3513-S,METRIC THUMB SCREWPLAIN STEEL4.5