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Round-hole perforated plate sample, 60 × 45 mm, Ø4.762 mm (3/16 in) holes on 7.938 mm (5/16 in) centres, thickness 3.038 mm (0.1196 in) as McNichols item 1P315111 lists it

Round-hole perforated plate sample, 60 × 45 mm: Ø4.762 mm (3/16 in) holes on 7.938 mm (5/16 in) centres, 60° staggered (rows along the length), thickness 3.038 mm (0.1196 in) as McNichols item 1P315111 lists it; 33 holes placed where the whole circle plus half a ligament fits inside the plate. Plate size and margin are Xem's choice

Exact dimensions. True size, no tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

source / itemMcNichols item 1P315111
hole diameter3/16 in
centers (pitch)5/16 in
pattern60° staggered (as printed)
open area % (printed)33
cross-check 90.69 × (d/c)² (computed, 60° stagger)32.6
gauge / thickness; material11 gauge .1196 in; polypropylene
holes per sq in (printed)11.95
bar width (printed)1/8 in
metric / inch conversion (computed)4.76 on 7.94
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From the full sheet

Perforated metal standard round-hole patterns: hole diameter × center pitch, 60° staggered, open area % and gauge (McNichols, Hendrick, EDCON) + 60 × 45 mm sample plates: every size, notes, mating features and sources. What are the standard round-hole perforated metal patterns: hole diameter, center-to-center spacing, open area and sheet gauge?

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