Home/Standards/ISO 1483

ISO 1483 dimensionsSlotted raised countersunk (oval) head tapping screws

2011 edition, current · 9 sizes, ST2.2 – ST9.5 see the cross-reference →

We supply to ISO 1483. Name it on your order.

90°LkdkdPy

ISO 1483 dimensions

Add columnsDownload PDF
Thread sizePThread Pitch (mm)aThread Runout (max) (mm)dkHead Diameter (mm)dkHead Diameter (min) (mm)kNominal Head Height (mm)fRaised Head Height (ref.) (mm)nSlot Width (max) (mm)nSlot Width (min) (mm)tSlot Depth (max) (mm)tSlot Depth (min) (mm)rRadius (max) (mm)yPoint Length — C (ref.) (mm)yPoint Length — F (ref.) (mm)yPoint Length — R (ref.) (mm)
ST2.20.81.63.83.51.10.50.70.5610.80.821.6-
ST2.91.12.25.55.21.70.710.861.451.21.22.62.1-
ST3.51.32.67.36.92.350.81.21.061.71.41.43.22.52.7
ST4.21.42.88.482.611.511.261.91.61.63.72.83.2
ST4.81.63.29.38.92.81.21.511.262.4224.33.23.6
ST5.51.83.610.39.931.31.911.662.62.22.253.64.3
ST6.31.83.611.310.93.151.41.911.662.82.42.463.65
ST82.14.215.815.44.6522.312.063.73.23.27.54.26.3
ST9.52.14.218.317.85.252.32.812.564.43.8484.2-

9 of 9 sizes shown.

Equivalents and mating parts

ISO 1478 →ISO 2702 →GB/T 5284 →

Quote against ISO 1483

Standard, size, material, finish, quantity and destination are enough to begin.