China factory customized Steel Hexagonal Flange Bolt - ASME B18.3 Hex Socket Cap Head Screw ASTM A574 F837 – Hongji manufacturers and suppliers

factory customized Steel Hexagonal Flange Bolt - ASME B18.3 Hex Socket Cap Head Screw ASTM A574 F837 – Hongji

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ASME B18.3 Hex Socket Cap Screw Drawing

Size			0#	1#	2#	3#	4#	5#	6#	8#	10#	12#	1/4	5/16
d	Thread Dia		0.06	0.073	0.086	0.099	0.112	0.125	0.138	0.164	0.19	0.216	0.25	0.3125
PP	UNC		-	64	56	48	40	40	32	32	24	24	20	18
	UNF		80	72	64	56	48	44	40	36	32	28	28	24
	UNEF		-	-	-	-	-	-	-	-	-	32	32	32
ds	Max=Nominal		0.06	0.073	0.086	0.099	0.112	0.125	0.138	0.164	0.19	0.216	0.25	0.3125
ds	Min		0.0568	0.0695	0.0822	0.0949	0.1075	0.1202	0.1329	0.1585	0.184	0.2095	0.2435	0.3053
dk ①	Max		0.096	0.118	0.14	0.161	0.183	0.205	0.226	0.27	0.312	0.324	0.375	0.469
dk ①	Min		0.091	0.112	0.134	0.154	0.176	0.198	0.216	0.257	0.298	0.314	0.354	0.446
k	Max		0.06	0.073	0.086	0.099	0.112	0.125	0.138	0.164	0.19	0.216	0.25	0.312
k	Min		0.057	0.07	0.083	0.095	0.108	0.121	0.134	0.159	0.185	0.21	0.244	0.306
s	Nominal		0.05	0.062	0.078	0.078	0.094	0.094	0.109	0.141	0.156	0.156	0.188	0.25
t	Min		0.025	0.031	0.038	0.044	0.051	0.057	0.064	0.077	0.09	0.103	0.12	0.151
b	Min		0.5	0.62	0.62	0.62	0.75	0.75	0.75	0.88	0.88	0.88	1	1.12
c	Chamfer	Max	0.004	0.005	0.008	0.008	0.009	0.012	0.013	0.014	0.018	0.022	0.025	0.033
r	Chamfer	Max	0.007	0.007	0.007	0.007	0.008	0.008	0.008	0.008	0.008	0.01	0.01	0.01
w	Min		0.02	0.025	0.029	0.034	0.038	0.043	0.047	0.056	0.065	0.082	0.095	0.119

Size			3/8	7/16	1/2	9/16	5/8	3/4	7/8	1	1-1/8	1-1/4	1-3/8	1-1/2
d	Thread Dia		0.375	0.4375	0.5	0.5625	0.625	0.75	0.875	1	1.125	1.25	1.375	1.5
PP	UNC		16	14	13	12	11	10	9	8	7	7	6	6
	UNF		24	20	20	18	18	16	14	12	12	12	12	12
	UNEF		32	28	28	24	24	20	20	20	18	18	18	18
ds	Max=Nominal		0.375	0.4375	0.5	0.5625	0.625	0.75	0.875	1	1.125	1.25	1.375	1.5
ds	Min		0.3678	0.4294	0.4919	0.5538	0.6163	0.7406	0.8647	0.9886	1.1086	1.2336	1.3568	1.4818
dk ①	Max		0.562	0.656	0.75	0.843	0.938	1.125	1.312	1.5	1.688	1.875	2.062	2.25
dk ①	Min		0.54	0.631	0.725	0.827	0.914	1.094	1.291	1.476	1.665	1.852	2.038	2.224
k	Max		0.375	0.438	0.5	0.562	0.625	0.75	0.875	1	1.125	1.25	1.375	1.5
k	Min		0.368	0.43	0.492	0.554	0.616	0.74	0.864	0.988	1.111	1.236	1.36	1.485
s	Nominal		0.312	0.375	0.375	0.437	0.5	0.625	0.75	0.75	0.875	0.875	1	1
t	Min		0.182	0.213	0.245	0.276	0.307	0.37	0.432	0.495	0.557	0.62	0.682	0.745
b	Min		1.25	1.38	1.5	1.5	1.75	2	2.25	2.5	2.81	3.12	3.44	3.75
c	Chamfer	Max	0.04	0.047	0.055	0.062	0.07	0.085	0.1	0.114	0.129	0.144	0.16	0.176
r	Chamfer	Max	0.01	0.015	0.015	0.015	0.015	0.015	0.02	0.02	0.02	0.02	0.02	0.02
w	Min		0.143	0.166	0.19	0.214	0.238	0.285	0.333	0.38	0.428	0.475	0.523	0.57

Size			1-3/4	2	2-1/4	2-1/2	2-3/4	3	3-1/4	3-1/2	3-3/4	4
d	Thread Dia		1.75	2	2.25	2.5	2.75	3	3.25	3.5	3.75	4
PP	UNC		5	4.5	4.5	4	4	4	4	4	4	4
	UNF		-	-	-	-	-	-	-	-	-	-
	UNEF		-	-	-	-	-	-	-	-	-	-
ds	Max=Nominal		1.75	2	2.25	2.5	2.75	3	3.25	3.5	3.75	4
ds	Min		1.7295	1.978	2.228	2.4762	2.7262	2.9762	3.2262	3.4762	3.7262	3.9762
dk ①	Max		2.625	3	3.375	3.75	4.125	4.5	4.875	5.25	5.625	6
dk ①	Min		2.597	2.97	3.344	3.717	4.09	4.464	4.837	5.211	5.584	5.958
k	Max		1.75	2	2.25	2.5	2.75	3	3.25	3.5	3.75	4
k	Min		1.734	1.983	2.232	2.481	2.73	2.979	3.228	3.478	3.727	3.976
s	Nominal		1.25	1.5	1.75	1.75	2	2.25	2.25	2.75	2.75	3
t	Min		0.87	0.995	1.12	1.245	1.37	1.495	1.62	1.745	1.87	1.995
b	Min		4.38	5	5.62	6.25	6.88	7.5	8.12	8.75	9.38	10
c	Chamfer	Max	0.207	0.238	0.269	0.3	0.332	0.363	0.394	0.426	0.458	0.489
r	Chamfer	Max	0.02	0.02	0.036	0.036	0.036	0.036	0.036	0.036	0.036	0.036
w	Min		0.665	0.76	0.855	0.95	1.045	1.14	1.235	1.33	1.425	1.52

Detail description

According to the hardness of screw wire, carrying tension, yield strength and so on, there is a grade classification of Hexagon socket bolt, that is, the level of hexagon socket bolt. Different products and materials are required to have different grades of hex socket bolts corresponding to them. Hex socket bolts all have the following grades:

Hexagon socket bolts are divided into ordinary and high strength bolts according to grade strength. Ordinary hex socket bolts refer to class 4.8, high strength hex socket bolts refer to class 8.8 or above, including class 10.9 and class 12.9. Hex socket bolts of grade 12.9 are generally black HEX socket cup head screws with knurling, natural color and oil.

The performance grade of hex socket bolts for steel structure connection is 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, etc. There are more than 10 grades, among which the bolts of grade 8.8 and above are made of low carbon alloy steel or medium carbon steel and heat-treated (quenched, tempered), which are generally called high strength bolts, and the others are generally called ordinary bolts. The bolt performance grade label is composed of two parts, which respectively represent the nominal tensile strength value and the buckling ratio of the bolt material.

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We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate inside our success for factory customized Steel Hexagonal Flange Bolt - ASME B18.3 Hex Socket Cap Head Screw ASTM A574 F837 – Hongji , The product will supply to all over the world, such as: Luxemburg, Liberia, Turkey, Item have passed by means of the national qualified certification and been well received in our main industry. Our expert engineering team will often be ready to serve you for consultation and feedback. We are able to also deliver you with cost-free samples to meet your specifications. Ideal efforts will probably be produced to provide you the most beneficial service and solutions. Should you be interested in our company and solutions, please make contact with us by sending us emails or call us straight away. To be able to know our solutions and enterprise. ar more, you'll be able to come to our factory to see it. We'll constantly welcome guests from all over the world to our firm. o build business enterprise. elations with us. Please feel absolutely free to speak to us for organization. nd we believe we will share the best trading practical experience with all our merchants.

Allen Key Set Screw