M530 KRSTMCZ100-

DURATOOL  M530 KRSTMCZ100-  机械螺丝, M5, 30 mm, 亮锌, 钢, 米字平头 / 沉头

The is a M5 x 30mm clear flat/countersunk head Pozidriv Machine Screw made of bright zinc-plated steel 4.8.

Newark:
# DURATOOL  M530 KRSTMCZ100-  Machine Screw, M5, Stainless Steel A2, 30 mm, Flat / Countersunk Head Pozidriv