TR FASTENINGS
凹头螺丝, 圆头六角, 5 mm, M3, 100只
凹头螺丝, 带帽, 六角, 钢制, 5 mm, M2.5, 100只
DURATOOL
内六角螺钉, Microcap, 六角, 钢制, 5 mm, M1.6, 50只