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FASTENER STANDARD

ISO 7049

Cross-recessed pan head tapping screws

ISO 7049:2011 specifies the characteristics of cross-recessed pan head tapping screws with thread sizes from ST 2,2 to ST 9,5 inclusive.

2011 · current

ISO 7049 dimensional reference

Cross-recessed pan head tapping screws

Standardized drawing
No.LkdkdPz
StandardISO 7049
Categoryscrew
VerificationDimensions available
Thread sizePitch (mm)aMaxdaMaxHead diameter dk (mm)dkMinHead height k (mm)kMinrMinrfdriveNodriveRefHdriveDepthMaxHdriveDepthMinHdriveRefZdriveDepthMaxZdriveDepthMinZpointCpointFpointR
ST2.20.80.82.843.71.61.40.13.201.91.20.8521.20.9521.6-
ST2.91.11.13.55.65.32.42.150.15131.81.431.751.452.62.1-
ST3.51.31.34.176.642.62.350.1623.91.91.441.91.53.22.52.7
ST4.21.41.44.987.643.12.80.26.524.42.41.94.42.351.953.72.83.2
ST4.81.61.65.69.59.143.73.40.2824.92.92.44.82.752.34.33.23.6
ST5.51.81.86.31110.5743.70.25936.43.12.66.232.5553.64.3
ST6.31.81.87.31211.574.64.30.251036.93.63.16.83.53.0563.65
ST82.12.19.21615.5765.60.413494.74.158.94.54.057.54.26.3
ST9.52.12.110.72019.487.57.10.416410.15.85.210.15.75.2584.2-

Compare before substituting

ISO 1478ISO 2702GB/T 845ISO 7049

Quote against ISO 7049

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