Slotted Countersunk Nuts. M8 = d1=9mm, d2=20mm, m=10mm, n=2mm, pitch=1.25mm. M10 = d1=12mm, d2=24mm, m=12mm, n=2.5mm, pitch=1.5mm. M6 = d1=7mm, d2=16mm, m=8mm, n=2mm, pitch=1.0mm. M5 = d1=6mm, d2=14mm, m=7mm, n=2mm, pitch=0.8mm.
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