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:

Thread d x p	Nominal stress area As,nom [mm2]	Minimum ultimate tensile load Fm min (As,nom × Rm,min) [N]
Thread d x p	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
M8×1	39.2	15,700	16,500	19,600	20,400	23,500	31,360	35,300	40,800	47,800
M10×1	64.5	25,800	27,100	32,300	33,800	38,700	51,600	58,100	67,100	78,700
M10×1.25	61.2	24,500	25,700	30,600	31,800	36,700	49,000	55,100	63,600	74,700
M12×1.25	92.1	36,800	38,700	46,100	47,900	55,300	73,700	82,900	95,800	112,000
M12×1.5	88.1	35,200	37,000	44,100	45,800	52,900	70,500	79,300	91,600	107,000
M14×1.5	125	50,000	52,500	62,500	65,000	75,000	100,000	112,000	130,000	152,000
M16×1.5	167	66,800	70,100	83,500	86,800	100,000	134,000	150,000	174,000	204,000
M18×1.5	216	86,400	90,700	108,000	112,000	130,000	179,000	-	225,000	264,000
M20×1.5	272	109,000	114,000	136,000	141,000	163,000	226,000	-	283,000	332,000
M22×1.5	333	133,000	140,000	166,000	173,000	200,000	276,000	-	346,000	406,000
M24×2	384	154,000	161,000	192,000	200,000	230,000	319,000	-	399,000	469,000
M27×2	496	198,000	208,000	248,000	258,000	298,000	412,000	-	516,000	605,000
M30×2	621	248,000	261,000	310,000	323,000	373,000	515,000	-	646,000	758,000
M33×2	761	304,000	320,000	380,000	396,000	457,000	632,000	-	791,000	928,000
M36×3	865	346,000	363,000	432,000	450,000	519,000	718,000	-	900,000	1,055,000
M39×3	1,030	412,000	433,000	515,000	536,000	618,000	855,000	-	1,070,000	1,260,000