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Stackable Nut And Washer Sieve Tray
A 110 x 110 x 30 mm sieve tray for sorting a can of mixed nuts, washers and small screws. It has a 2.4 mm floor with a hex grid of 6.5 mm holes, so anything with a smallest cross-section under 6.5 mm drops through when you shake it. Each tray has a chamfered 104.4 mm spigot on the bottom that seats 0.4 mm inside the 105.2 mm rim of the tray below. Reprint it with a different HOLE value to make a coarse-to-fine sieve stack, then tip each tier out through its finger notches.
M3 To M8 Washer Tube Rack
Wall or bench rack with five coin-tube wells sized to real DIN 125 form-A flat washers — bores 7.8, 9.8, 10.8, 12.8 and 16.8 mm for M3 (7 mm OD), M4 (9), M5 (10), M6 (12) and M8 (16) — each with a front slot to see and thumb-push the stack and 52 mm of usable stack depth (about 32 M8 or 100 M3 washers). 74 x 69 x 26 mm overall; a 3 mm front shelf catches washers you pull out, 1 to 5 tally notches in the front lip name each bore, and two 4.5 mm M4 clearance holes 52 mm apart in the top rail sit clear of the tubes for a driver.