Home/Standards/GB/T 16824.2

GB/T 16824.2 dimensionsHexagon flange head tapping screws

2016 edition, current · 9 sizes, ST2.2 – ST9.5 see the cross-reference →

We supply to GB/T 16824.2. Name it on your order.

sekdcdPy

GB/T 16824.2 dimensions

Add columnsDownload PDF
Thread sizePThread Pitch (mm)aThread Runout (max) (mm)daUnderhead Diameter (max) (mm)dcFlange Diameter (mm)dcBearing Diameter (min) (mm)cWasher Height (min) (mm)sWidth Across Flats (max) (mm)sWidth Across Flats (min) (mm)eWidth Across Corners (min) (mm)kNominal Head Height (mm)kwWrenching Height (min) (mm)rRadius (min) (mm)r2Radius r2 (max) (mm)yPoint Length — C (ref.) (mm)yPoint Length — F (ref.) (mm)yPoint Length — R (ref.) (mm)
ST2.20.80.82.84.54.10.332.863.162.20.850.10.121.6-
ST2.91.11.13.56.45.90.443.824.273.21.250.10.22.62.1-
ST3.51.31.34.17.56.90.554.825.363.81.60.10.23.22.52.7
ST4.21.41.44.98.57.80.65.55.325.924.31.80.20.23.72.83.2
ST4.81.61.65.6109.30.676.787.555.22.20.20.34.33.23.6
ST5.51.81.86.311.210.30.876.787.5562.50.20.353.64.3
ST6.31.81.87.312.811.8187.788.666.72.80.30.463.65
ST82.12.19.216.815.51.2109.7810.898.63.70.40.57.54.26.3
ST9.52.12.110.72119.31.41312.7314.1610.74.60.40.684.2-

9 of 9 sizes shown.

Equivalents and mating parts

ISO 10509 →GB/T 5280 →GB/T 3098.5 →

Quote against GB/T 16824.2

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