M520 KRSTMCZ100-
DURATOOL M520 KRSTMCZ100- 机械螺丝, M5, 20 mm, 亮锌, 钢, 米字平头 / 沉头
The is a M5 x 20mm clear flat/countersunk head Pozidriv Machine Screw made of bright zinc-plated steel 4.8.
Newark:
# DURATOOL M520 KRSTMCZ100- Machine Screw, M5, Stainless Steel A2, 20 mm, Flat / Countersunk Head Pozidriv