Execution standard reference

M2.5 x 25 Hexagon Head Bolt — DIN 931 / ISO 4014 / GB/T 5782

Recorded dimensions for M2.5 x 25 against DIN 931 / ISO 4014 / GB/T 5782. Where these standards differ, both values are shown so the correct one can be confirmed before ordering. Packing quantity, stock status and mechanical property class are confirmed in the quotation. Column symbols: P = thread pitch; s = width across flats; e = width across corners; k = head height; kg / 1000 pcs = theoretical weight calculated from the standard geometry.

Hexagon Head BoltCurrent standardVerified dimensional data

Dimensional reference

Shows dimensions already stored in the standard library. Missing values are not filled automatically.

standardStandardstatusStatusPPitch · mmsAcross flats · mmeAcross corners · mmkHead height · mmthreadLengththreadLength (mm)bL ≤ 125 · mmb125 < L ≤ 200 · mmbL > 200 · mmmasskg / 1000 pcs
DIN 931Historical0.4555.451.7-1117301.16
ISO 4014Current0.4555.451.7-1117301.16
GB/T 5782Current0.4555.451.7-1117301.16
standardDIN 931
statusHistorical
P · mm0.45
s · mm5
More dimensions
e · mm5.45
k · mm1.7
threadLength-
b · mm11
b · mm17
b · mm30
mass1.16
standardISO 4014
statusCurrent
P · mm0.45
s · mm5
More dimensions
e · mm5.45
k · mm1.7
threadLength-
b · mm11
b · mm17
b · mm30
mass1.16
standardGB/T 5782
statusCurrent
P · mm0.45
s · mm5
More dimensions
e · mm5.45
k · mm1.7
threadLength-
b · mm11
b · mm17
b · mm30
mass1.16