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Stainless steel hex head cap screws (hex head bolts)

Product No.：202117115758
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Stainless steel hex bolts

Material: SUS316 (A4), SUS 304 (A2).

Standard: DIN931/933, ANSI B 18.2.1, ISO, JIS B etc

Hex head cap screws (six sided heads) is the industry standard of fasteners, wellbolt can supply SUS304,SUS316,410 etc stainless steel hex cap screws (hex bolts), size from 3mm to 100mm ( 3/16"-4"), max length can be 2500mm (8').

Standard: DIN931, DIN933, DIN558, DIN601, ANSI B18.2.1, UNI 5739, JIS B 1180, ISO 4014, ISO 4016, EN 3006, EN 3007, EN 3008, EN 3009 , BS 1769, ANSI B 18.6.3, AS / NZS 2465 etc.

ASME B 18.2.1 - 2010 Hex Bolts

Screw Thread		1/4"	5/16"	3/8"	7/16"	1/2"	5/8"	3/4"	7/8"	1"	1-1/8"	1-1/4"	1-3/8"	1-1/2"
d
ds	max	0.26	0.324	0.388	0.452	0.515	0.642	0.768	0.895	1.022	1.149	1.277	1.404	1.531
ds	min	0.237	0.298	0.36	0.421	0.482	0.605	0.729	0.852	0.976	1.098	1.223	1.345	1.47
s	Basic	7/16"	1/2"	9/16"	5/8"	3/4"	15/16"	1-1/8"	1-5/16"	1-1/2"	1-11/16"	1-7/8"	2-1/16"	2-1/4"
	max	0.438	0.5	0.562	0.625	0.75	0.938	1.125	1.312	1.5	1.688	1.875	2.062	2.25
	min	0.425	0.484	0.544	0.603	0.725	0.906	1.088	1.269	1.45	1.631	1.812	1.994	2.175
e	max	0.505	0.577	0.65	0.722	0.866	1.083	1.299	1.516	1.732	1.949	2.165	2.382	2.598
e	min	0.484	0.552	0.62	0.687	0.826	1.033	1.24	1.447	1.653	1.859	2.066	2.273	2.48
k	Basic	11/64	7/32	1/4"	19/64	11/32	27/64	1/2"	37/64	43/64	3/4"	27/32	29/32	1
	max	0.188	0.235	0.268	0.316	0.364	0.444	0.524	0.604	0.7	0.78	0.876	0.94	1.036
	min	0.15	0.195	0.226	0.272	0.302	0.378	0.455	0.531	0.591	0.658	0.749	0.81	0.902
r	max	0.03	0.03	0.03	0.03	0.03	0.06	0.06	0.06	0.09	0.09	0.09	0.09	0.09
r	min	0.01	0.01	0.01	0.01	0.01	0.02	0.02	0.02	0.03	0.03	0.03	0.03	0.03
b	L≤6	0.75	0.875	1	1.125	1.25	1.5	1.75	2	2.25	2.5	2.75	3	3.25
b	L＞6	1	1.125	1.25	1.375	1.5	1.75	2	2.25	2.5	2.75	3	3.25	3.5

DIN 931 (-1) - 1987 Hexagon head bolts grades A and B partially threaded

Screw Thread			M1.6	M2	M2.5	M3	(M3.5)	M4	M5	M6	(M7)	M8	M10
d
P	Thread Pitch		0.35	0.4	0.45	0.5	0.6	0.7	0.8	1	1	1.25	1.5
b	L≤125		9	10	11	12	13	14	16	18	20	22	26
	125＜L≤200		-	-	-	-	-	-	22	24	26	28	32
	L＞200		-	-	-	-	-	-	-	-	-	-	45
c	min		0.1	0.1	0.1	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15
c	max		0.25	0.25	0.25	0.4	0.4	0.4	0.5	0.5	0.5	0.6	0.6
da	max		2	2.6	3.1	3.6	4.1	4.7	5.7	6.8	7.8	9.2	11.2
ds	max=nominal size		1.6	2	2.5	3	3.5	4	5	6	7	8	10
	Grade A	min	1.46	1.86	2.36	2.86	3.32	3.82	4.82	5.82	6.78	7.78	9.78
	Grade B	min	-	-	-	-	-	-	-	-	-	-	-
dw	Grade A	min	2.4	3.2	4.1	4.6	5.1	5.9	6.9	8.9	9.8	11.6	15.6
dw	Grade B	min	-	-	-	-	-	-	-	-	-	-	-
e	Grade A	min	3.41	4.32	5.45	6.01	6.58	7.66	8.79	11.05	12.12	14.38	18.9
e	Grade B	min	-	-	-	-	-	-	-	-	-	-	-
k	Nominal Size		1.1	1.4	1.7	2	2.4	2.8	3.5	4	4.8	5.3	6.4
	Grade A	min	0.98	1.28	1.58	1.88	2.28	2.68	3.35	3.85	4.65	5.15	6.22
	Grade A	max	1.22	1.52	1.82	2.12	2.52	2.92	3.65	4.15	4.95	5.45	6.58
	Grade B	min	-	-	-	-	-	-	-	-	-	-	-
	Grade B	max	-	-	-	-	-	-	-	-	-	-	-
k1	min		0.7	0.9	1.1	1.3	1.6	1.9	2.28	2.63	3.19	3.54	4.28
r	min		0.1	0.1	0.1	0.1	0.1	0.2	0.2	0.25	0.25	0.4	0.4
s	max=nominal size		3.2	4	5	5.5	6	7	8	10	11	13	17
	Grade A	min	3.02	3.82	4.82	5.32	5.82	6.78	7.78	9.78	10.73	12.73	16.73
	Grade B	min	-	-	-	-	-	-	-	-	-	-	-
Screw Thread			(M14)	M16	(M18)	M20	(M22)	M24	(M27)	M30	(M33)	M36	(M39)
d
P	Thread Pitch		2	2	2.5	2.5	2.5	3	3	3.5	3.5	4	4
b	L≤125		34	38	42	46	50	54	60	66	72	78	84
	125＜L≤200		40	44	48	52	56	60	66	72	78	84	90
	L＞200		53	57	61	65	69	73	79	85	91	97	103
c	min		0.15	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.3
c	max		0.6	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	1
da	max		15.7	17.7	20.2	22.4	24.4	26.4	30.4	33.4	36.4	39.4	42.4
ds	max=nominal size		14	16	18	20	22	24	27	30	33	36	39
	Grade A	min	13.73	15.73	17.73	19.67	21.67	23.67	-	-	-	-	-
	Grade B	min	-	15.57	17.57	19.48	21.48	23.48	26.48	29.48	32.38	35.38	38.38
dw	Grade A	min	20.5	22.6	25.3	28.2	30	33.6	-	-	-	-	-
dw	Grade B	min	-	22	24.8	27.7	29.5	33.2	38	42.7	46.6	51.1	55.9
e	Grade A	min	24.49	26.75	30.14	33.53	35.72	39.98	-	-	-	-	-
e	Grade B	min	-	26.17	29.56	32.95	35.03	39.55	45.2	50.85	55.37	60.79	66.44
k	Nominal Size		8.8	10	11.5	12.5	14	15	17	18.7	21	22.5	25
	Grade A	min	8.62	9.82	11.28	12.28	13.78	14.78	-	-	-	-	-
	Grade A	max	8.98	10.18	11.72	12.72	14.22	15.22	-	-	-	-	-
	Grade B	min	-	9.71	11.15	12.15	13.65	14.65	16.65	18.28	20.58	22.08	24.58
	Grade B	max	-	10.29	11.85	12.85	14.35	15.35	17.35	19.12	21.42	22.92	25.42
k1	min		5.96	6.8	7.8	8.5	9.6	10.3	11.7	12.8	14.4	15.5	17.2
r	min		0.6	0.6	0.6	0.8	0.8	0.8	1	1	1	1	1
s	max=nominal size		22	24	27	30	32	36	41	46	50	55	60
	Grade A	min	21.67	23.67	26.67	29.67	31.61	35.38	-	-	-	-	-
	Grade B	min	-	23.16	26.16	29.16	31	35	40	45	49	53.8	58.8