Sheet Metal Screws

Bolt Diameter (mm)StandardFineExtra or super fineJIS
20.40.4
2.50.450.45
30.50.5
40.70.7
50.80.8
611
711
81.2511.25
101.51.2511.25
121.751.51.251.25
1421.51.5
1621.5
182.51.5
202.51.5

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