Execution standard reference

M16 x 100 Mushroom head square neck bolts — DIN 603 / ISO 8677 / ISO 8678

M16 x 100 is listed in the confirmed supply specifications of the products shown below. Dimensions are referenced against DIN 603 / ISO 8677 / ISO 8678; 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.

Mushroom head square neck boltsCurrent standardVerified dimensional data

Dimensional reference

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

standardStandard	statusStatus	PPitch · mm	bodyDiameterMaxbodyDiameterMax (mm)	bodyDiameterMinbodyDiameterMin (mm)	neckWidthMaxneckWidthMax (mm)	neckWidthMinneckWidthMin (mm)	neckHeightMaxneckHeightMax (mm)	neckHeightMinneckHeightMin (mm)	headDiameterMaxheadDiameterMax (mm)	headDiameterMinheadDiameterMin (mm)	headHeightMaxheadHeightMax (mm)	headHeightMinheadHeightMin (mm)	threadLengththreadLength (mm)	bL ≤ 125 · mm	b125 < L ≤ 200 · mm	bL > 200 · mm	cornerDistancecornerDistance (mm)	rMaxrMax (mm)	cMaxcMax (mm)	cMincMin (mm)	bearingDiameterMinbearingDiameterMin (mm)
DIN 603	Current	2	16	15.3	16.7	15.3	12.9	11.1	38.8	37.2	8.95	8.05	-	38	44	57	-	-	-	-	-
ISO 8677	Historical	2	16.7	-	16.7	15.3	12.9	11.1	38	36.4	8.9	8	-	38	44	57	19.9	1.2	-	-	-
ISO 8678	Current	2	16	-	16.7	15.82	5	4.2	35	-	8.9	8	-	38	44	-	20.57	1.2	3.6	2.4	31.9

standardDIN 603

statusCurrent

P · mm2

bodyDiameterMax16

More dimensions

bodyDiameterMin15.3

neckWidthMax16.7

neckWidthMin15.3

neckHeightMax12.9

neckHeightMin11.1

headDiameterMax38.8

headDiameterMin37.2

headHeightMax8.95

headHeightMin8.05

threadLength-

b · mm38

b · mm44

b · mm57

cornerDistance-

rMax-

cMax-

cMin-

bearingDiameterMin-

standardISO 8677

statusHistorical

P · mm2

bodyDiameterMax16.7

More dimensions

bodyDiameterMin-

neckWidthMax16.7

neckWidthMin15.3

neckHeightMax12.9

neckHeightMin11.1

headDiameterMax38

headDiameterMin36.4

headHeightMax8.9

headHeightMin8

threadLength-

b · mm38

b · mm44

b · mm57

cornerDistance19.9

rMax1.2

cMax-

cMin-

bearingDiameterMin-

standardISO 8678

statusCurrent

P · mm2

bodyDiameterMax16

More dimensions

bodyDiameterMin-

neckWidthMax16.7

neckWidthMin15.82

neckHeightMax5

neckHeightMin4.2

headDiameterMax35

headDiameterMin-

headHeightMax8.9

headHeightMin8

threadLength-

b · mm38

b · mm44

b · mm-

cornerDistance20.57

rMax1.2

cMax3.6

cMin2.4

bearingDiameterMin31.9

Verified differences from related standards

Only dimensions present in complete, verified standard data are listed. Related standards are not automatically interchangeable.

Size	Dimension	Compared values
M16	dₛ	DIN 603 16 / ISO 8677 16.7
M16	dk	DIN 603 38.8 / ISO 8677 38
M16	dk	DIN 603 37.2 / ISO 8677 36.4
M16	k	DIN 603 8.95 / ISO 8677 8.9
M16	k	DIN 603 8.05 / ISO 8677 8
M16	v	DIN 603 15.3 / ISO 8678 15.82
M16	f	DIN 603 12.9 / ISO 8678 5
M16	f	DIN 603 11.1 / ISO 8678 4.2
M16	dk	DIN 603 38.8 / ISO 8678 35
M16	k	DIN 603 8.95 / ISO 8678 8.9
M16	k	DIN 603 8.05 / ISO 8678 8

Available products

Mushroom Head Square Neck Bolts

Carbon Steel, Stainless Steel

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