Execution standard reference

M8 x 45 Hexagon Head Bolt — DIN 931 / ISO 4014 / GB/T 5782

Recorded dimensions for M8 x 45 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 931Historical1.251314.385.3-22284122.12
ISO 4014Current1.251314.385.3-22284122.12
GB/T 5782Current1.251314.385.3-22284122.12
standardDIN 931
statusHistorical
P · mm1.25
s · mm13
More dimensions
e · mm14.38
k · mm5.3
threadLength-
b · mm22
b · mm28
b · mm41
mass22.12
standardISO 4014
statusCurrent
P · mm1.25
s · mm13
More dimensions
e · mm14.38
k · mm5.3
threadLength-
b · mm22
b · mm28
b · mm41
mass22.12
standardGB/T 5782
statusCurrent
P · mm1.25
s · mm13
More dimensions
e · mm14.38
k · mm5.3
threadLength-
b · mm22
b · mm28
b · mm41
mass22.12