Minimum Ultimate Tensile Loads

Minimum ultimate tensile loads - ISO metric coarse pitch thread:

Thread1) d	Nominal stress area As,nom [mm2]	Minimum ultimate tensile load Fm min (As,nom × Rm,min) [N]
Thread1) d	Nominal stress area As,nom [mm2]	4.6	4.8	5.6	5.8	6.8	8.8	9.8	10.9	12.9/12.9
M3	5,03	2010	2110	2510	2620	3020	4020	4530	5230	6140
M3,5	6,78	2710	2850	3390	3530	4070	5420	6100	7050	8270
M4	8,78	3510	3690	4390	4570	5270	7020	7900	9130	10700
M5	14,2	5680	5960	7100	7380	8520	11350	12800	14800	17300
M6	20,1	8040	8440	10000	10400	12100	16100	18100	20900	24500
M7	28,9	11600	12100	14400	15000	17300	23100	26000	30100	35300
M8	36,6	146002)	15400	183002)	19000	22000	292002)	32900	381002)	44600
M10	58,0	232002)	24400	290002)	30200	34800	464002)	52200	603002)	70800
M12	84,3	33700	35400	42200	43800	50600	674003)	75900	87700	103000
M14	115	46000	48300	57500	59800	69000	920003)	104000	120000	140000
M16	157	62800	65900	78500	81600	94000	1250003)	141000	163000	192000
M18	192	76 800	80 600	96 000	99 800	115 000	159 000	–	200 000	234 000
M20	245	98 000	103 000	122 000	127 000	147 000	203 000	–	255 000	299 000
M22	303	121 000	127 000	152 000	158 000	182 000	252 000	–	315 000	370 000
M24	353	141 000	148 000	176 000	184 000	212 000	293 000	–	367 000	431 000
M27	459	184 000	193 000	230 000	239 000	275 000	381 000	–	477 000	560 000
M30	561	224 000	236 000	280 000	292 000	337 000	466 000	–	583 000	684 000
M33	694	278 000	292 000	347 000	361 000	416 000	576 000	–	722 000	847 000
M36	817	327 000	343 000	408 000	425 000	490 000	678 000	–	850 000	997 000
M39	976	390000	410000	488000	508000	586000	810000	–	1020 000	1200 000

1 Where no thread pitch is indicated in a thread designation, coarse pitch is specified.
2 For fasteners with thread tolerance 6az per ISO 965-4, subject to hot dip galvanizing, reduced values per ISO 10684
3 For structural bolting 70 000 N (for M12), 95 500 N (for M14) and 130 000 N (for M16).

Minimum ultimate tensile loads – ISO metric fine pitch thread: