Machine screw head type round material steel finish zinc-plated drive combination slotted phillips thread size 5-40 fastener length 1 1 4 in head width 0.237 In head height 0.083 In drive size 2 tensile strength 60 000 psi dimensional standards asme b18.6.3 Pack size small type machine screw maximum head width 15 64 in minimum head width not applicable maximum head height 5 64 in minimum head height not applicable system of measurement inch thread type coarse
