M3-1.34X8 Metric 6 Lobe Round Washer PT Alternative Fully Threaded Zinc (Pack Qty 5,000) BC-M38PTTRW

A spaced thread fastener with a dome-shaped head and an integrally-formed washer; a recess that accommodates a 6-lobed driver; and a flat bearing surface that is 90° to the screw's shank When comparted to a thread rolling screw, the threads are wider and have a sharper angle. Furthermore, the core of the shank has a reduced diameter between each consecutive set of threads. The point opposite is the head is blunt Designed to form its own thread in thermoplastic materials. The 30° thread angle reduces the outward expansion of the material being displaced. The recessed design of the thread root enables more material flow into the area between threadsYou may also like 10-24X1 Phillips Full contour Truss Machine Screw Fully Threaded 18 8 S/S Blk Oxide (Pack Qty 2,000) BC-1016MPT188B.