DIN933/ISO4017 Black Grade 8.8 Hex Head Bolt

Products name	Black Grade 8.8 DIN933/ISO4017 DIN931/ISO4014 Hex Head Bolt
Standard	DIN,ASTM/ANSI JIS EN ISO,AS,GB
Grade	Steel Grade: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,A325,A490,
Finishing	Zinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG),Black Oxide, Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel plated
Production Process	M2-M24:Cold Froging,M24-M100 Hot Forging, Machining and CNC for Customized fastener
Customized Products Lead time	30-60days,
Free Samples for standard fastener

Hex head bolts are a unique style of fixing used throughout the construction, automobile and engineering industries. The hexagon bolt fixing is a reliable fastener for a wide selection of building projects and repair jobs.
Black hex head bolts come in various finishes and thread designs for application in different tasks and environments.

What are they used for

Our Hex bolts are currently being used in major construction and repair projects around the world. Being the industry-leading Hex bolt manufacturer India and Hex bolt exporter from the country, our products are much sought after. Our hex bolts are being used for many different applications across construction, repair, automotive industries. They can be used for fastening wood and steel. They are used in major construction projects such as buildings, bridges, marine docks.

Manufacturing Process

As the leading Hex bolt manufacture china and Hex bolt exporter, we take immense effort in manufacturing the best bolts in the business. All our hex bolts are manufactured as per the international standards. We also cater to a wide range of customer specifications and preferences. We have a state of the art manufacturing facility with all the advanced machinery. We use only advanced machinery including welding machine and the drilling machine to produce our Hex bolts. Every single Hex bolt coming out of our facility is manufactured in strict conformance with the international norms of quality.

DIN933/ISO4017 Black Grade 8.8 Hex Head Bolt

Screw Thread d			M1.6	M2	M2.5	M3	(M3.5)	M4	M5	M6	(M7)	M8	M10	M12
P	Pitch		0.35	0.4	0.45	0.5	0.6	0.7	0.8	1	1	1.25	1.5	1.75
a	max		1.05	1.2	1.35	1.5	1.8	2.1	2.4	3	3	4	4.5	5.3
a	min		0.35	0.4	0.45	0.5	0.6	0.7	0.8	1	1	1.25	1.5	1.75
c	max		0.25	0.25	0.25	0.4	0.4	0.4	0.5	0.5	0.6	0.6	0.6	0.6
c	min		0.1	0.1	0.1	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15
da	max		2	2.6	3.1	3.6	4.1	4.7	5.7	6.8	7.8	9.2	11.2	13.7
dw	Grade A	min	2.27	3.07	4.07	4.57	5.07	5.88	6.88	8.88	9.63	11.63	14.63	16.63
dw	Grade B	min	2.3	2.95	3.95	4.45	4.95	5.74	6.74	8.74	9.47	11.47	14.47	16.47
e	Grade A	min	3.41	4.32	5.45	6.01	6.58	7.66	8.79	11.05	12.12	14.38	17.77	20.03
e	Grade B	min	3.28	4.18	5.31	5.88	6.44	7.5	8.63	10.89	11.94	14.2	17.59	19.85
k	Nominal Size		1.1	1.4	1.7	2	2.4	2.8	3.5	4	4.8	5.3	6.4	7.5
	Grade A	max	1.225	1.525	1.825	2.125	2.525	2.925	3.65	4.15	4.95	5.45	6.58	7.68
	Grade A	min	0.975	1.275	1.575	1.875	2.275	2.675	3.35	3.85	4.65	5.15	6.22	7.32
	Grade B	max	1.3	1.6	1.9	2.2	2.6	3	3.74	4.24	5.04	5.54	6.69	7.79
	Grade B	min	0.9	1.2	1.5	1.8	2.2	2.6	3.26	3.76	4.56	5.06	6.11	7.21
k1	Grade A	min	0.68	0.89	1.1	1.31	1.59	1.87	2.35	2.7	3.26	3.61	4.35	5.12
k1	Grade B	min	0.63	0.84	1.05	1.26	1.54	1.82	2.28	2.63	3.19	3.54	4.28	5.05
r	min		0.1	0.1	0.1	0.1	0.1	0.2	0.2	0.25	0.25	0.4	0.4	0.6
s	max=nominal size		3.2	4	5	5.5	6	7	8	10	11	13	16	18
	Grade A	min	3.02	3.82	4.82	5.32	5.82	6.78	7.78	9.78	10.73	12.73	15.73	17.73
	Grade B	min	2.9	3.7	4.7	5.2	5.7	6.64	7.64	9.64	10.57	12.57	15.57	17.57
Screw Thread d			(M14)	M16	(M18)	M20	(M22)	M24	(M27)	M30	(M33)	M36	(M39)	M42
P	Pitch		2	2	2.5	2.5	2.5	3	3	3.5	3.5	4	4	4.5
a	max		6	6	7.5	7.5	7.5	9	9	10.5	10.5	12	12	13.5
a	min		2	2	2.5	2.5	2.5	3	3	3.5	3.5	4	4	4.5
c	max		0.6	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	1	1
c	min		0.15	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.3	0.3
da	max		15.7	17.7	20.2	22.4	24.4	26.4	30.4	33.4	36.4	39.4	42.4	45.6
dw	Grade A	min	19.64	22.49	25.34	28.19	31.71	33.61	-	-	-	-	-	-
dw	Grade B	min	19.15	22	24.85	27.7	31.35	33.25	38	42.75	46.55	51.11	55.86	59.95
e	Grade A	min	23.36	26.75	30.14	33.53	37.72	39.98	-	-	-	-	-	-
e	Grade B	min	22.78	26.17	29.56	32.95	37.29	39.55	45.2	50.85	55.37	60.79	66.44	71.3
k	Nominal Size		8.8	10	11.5	12.5	14	15	17	18.7	21	22.5	25	26
	Grade A	max	8.98	10.18	11.715	12.715	14.215	15.215	-	-	-	-	-	-
	Grade A	min	8.62	9.82	11.285	12.285	13.785	14.785	-	-	-	-	-	-
	Grade B	max	9.09	10.29	11.85	12.85	14.35	15.35	17.35	19.12	21.42	22.92	25.42	26.42
	Grade B	min	8.51	9.71	11.15	12.15	13.65	14.65	16.65	18.28	20.58	22.08	24.58	25.58
k1	Grade A	min	6.03	6.87	7.9	8.6	9.65	10.35	-	-	-	-	-	-
k1	Grade B	min	5.96	6.8	7.81	8.51	9.56	10.26	11.66	12.8	14.41	15.46	17.21	17.91
r	min		0.6	0.6	0.6	0.8	0.8	0.8	1	1	1	1	1	1.2
s	max=nominal size		21	24	27	30	34	36	41	46	50	55	60	65
	Grade A	min	20.67	23.67	26.67	29.67	33.38	35.38	-	-	-	-	-	-
	Grade B	min	20.16	23.16	26.16	29.16	33	35	40	45	49	53.8	58.8	63.1
Screw Thread d			(M45)	M48	(M52)	M56	(M60)	M64
P	Pitch		4.5	5	5	5.5	5.5	6
a	max		13.5	15	15	16.5	16.5	18
a	min		4.5	5	5	5.5	5.5	6
c	max		1	1	1	1	1	1
c	min		0.3	0.3	0.3	0.3	0.3	0.3
da	max		48.6	52.6	56.6	63	67	71
dw	Grade A	min	-	-	-	-	-	-
dw	Grade B	min	64.7	69.45	74.2	78.66	83.41	88.16
e	Grade A	min	-	-	-	-	-	-
e	Grade B	min	76.95	82.6	88.25	93.56	99.21	104.86
k	Nominal Size		28	30	33	35	38	40
	Grade A	max	-	-	-	-	-	-
	Grade A	min	-	-	-	-	-	-
	Grade B	max	28.42	30.42	33.5	35.5	38.5	40.5
	Grade B	min	27.58	29.58	32.5	34.5	37.5	39.5
k1	Grade A	min	-	-	-	-	-	-
k1	Grade B	min	19.31	20.71	22.75	24.15	26.25	27.65
r	min		1.2	1.6	1.6	2	2	2
s	max=nominal size		70	75	80	85	90	95
	Grade A	min	-	-	-	-	-	-
	Grade B	min	68.1	73.1	78.1	82.8	87.8	92.8

Screw Thread d			M1.6	M2	M2.5	M3	(M3.5)	M4	M5	M6	(M7)	M8	M10	M12
P	Pitch		0.35	0.4	0.45	0.5	0.6	0.7	0.8	1	1	1.25	1.5	1.75
b	L≤125		9	10	11	12	13	14	16	18	20	22	26	30
	125＜L≤200		15	16	17	18	19	20	22	24	26	28	32	36
	L＞200		28	29	30	31	32	33	35	37	39	41	45	49
c	max		0.25	0.25	0.25	0.4	0.4	0.4	0.5	0.5	0.6	0.6	0.6	0.6
c	min		0.1	0.1	0.1	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15
da	max		2	2.6	3.1	3.6	4.1	4.7	5.7	6.8	7.8	9.2	11.2	13.7
ds	max=nominal size		1.6	2	2.5	3	3.5	4	5	6	7	8	10	12
	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	11.73
	Grade B	min	1.35	1.75	2.25	2.75	3.2	3.7	4.7	5.7	6.64	7.64	9.64	11.57
dw	Grade A	min	2.54	3.34	4.34	4.84	5.34	6.2	7.2	8.88	9.63	11.63	14.63	16.63
dw	Grade B	min	2.42	3.22	4.22	4.72	5.22	6.06	7.06	8.74	9.47	11.47	14.47	16.47
e	Grade A	min	3.41	4.32	5.45	6.01	6.58	7.66	8.79	11.05	12.12	14.38	17.77	20.03
e	Grade B	min	3.28	4.18	5.31	5.88	6.44	7.5	8.63	10.89	11.94	14.2	17.59	19.85
L1	max		0.6	0.8	1	1	1	1.2	1.2	1.4	1.4	2	2	3
k	Nominal Size		1.1	1.4	1.7	2	2.4	2.8	3.5	4	4.8	5.3	6.4	7.5
	Grade A	max	1.225	1.525	1.825	2.125	2.525	2.925	3.65	4.15	4.95	5.45	6.58	7.68
	Grade A	min	0.975	1.275	1.575	1.875	2.275	2.675	3.35	3.85	4.65	5.15	6.22	7.32
	Grade B	max	1.3	1.6	1.9	2.2	2.6	3	3.74	4.24	5.04	5.54	6.69	7.79
	Grade B	min	0.9	1.2	1.5	1.8	2.2	2.6	3.26	3.76	4.56	5.06	6.11	7.21
k1	Grade A	min	0.68	0.89	1.1	1.31	1.59	1.87	2.35	2.7	3.26	3.61	4.35	5.12
k1	Grade B	min	0.63	0.84	1.05	1.26	1.54	1.82	2.28	2.63	3.19	3.54	4.28	5.05
r	min		0.1	0.1	0.1	0.1	0.1	0.2	0.2	0.25	0.25	0.4	0.4	0.6
s	max=nominal size		3.2	4	5	5.5	6	7	8	10	11	13	16	18
	Grade A	min	3.02	3.82	4.82	5.32	5.82	6.78	7.78	9.78	10.73	12.73	15.73	17.73
	Grade B	min	2.9	3.7	4.7	5.2	5.7	6.64	7.64	9.64	10.57	12.57	15.57	17.57
Length of Thread b			-	-	-	-	-	-	-	-	-	-	-	-
Screw Thread d			(M14)	M16	(M18)	M20	(M22)	M24	(M27)	M30	(M33)	M36	(M39)	M42
P	Pitch		2	2	2.5	2.5	2.5	3	3	3.5	3.5	4	4	4.5
b	L≤125		34	38	42	46	50	54	60	66	72	-	-	-
	125＜L≤200		40	44	48	52	56	60	66	72	78	84	90	96
	L＞200		53	57	61	65	69	73	79	85	91	97	103	109
c	max		0.6	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	1	1
c	min		0.15	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.3	0.3
da	max		15.7	17.7	20.2	22.4	24.4	26.4	30.4	33.4	36.4	39.4	42.4	45.6
ds	max=nominal size		14	16	18	20	22	24	27	30	33	36	39	42
	Grade A	min	13.73	15.73	17.73	19.67	21.67	23.67	-	-	-	-	-	-
	Grade B	min	13.57	15.57	17.57	19.48	21.48	23.48	26.48	29.48	32.38	35.38	38.38	41.38
dw	Grade A	min	19.64	22.49	25.34	28.19	31.71	33.61	-	-	-	-	-	-
dw	Grade B	min	19.15	22	24.85	27.7	31.35	33.25	38	42.75	46.55	51.11	55.86	59.95
e	Grade A	min	23.36	26.75	30.14	33.53	37.72	39.98	-	-	-	-	-	-
e	Grade B	min	22.78	26.17	29.56	32.95	37.29	39.55	45.2	50.85	55.37	60.79	66.44	71.3
L1	max		3	3	3	4	4	4	6	6	6	6	6	8
k	Nominal Size		8.8	10	11.5	12.5	14	15	17	18.7	21	22.5	25	26
	Grade A	max	8.98	10.18	11.715	12.715	14.215	15.215	-	-	-	-	-	-
	Grade A	min	8.62	9.82	11.285	12.285	13.785	14.785	-	-	-	-	-	-
	Grade B	max	9.09	10.29	11.85	12.85	14.35	15.35	17.35	19.12	21.42	22.92	25.42	26.42
	Grade B	min	8.51	9.71	11.15	12.15	13.65	14.65	16.65	18.28	20.58	22.08	24.58	25.58
k1	Grade A	min	6.03	6.87	7.9	8.6	9.65	10.35	-	-	-	-	-	-
k1	Grade B	min	5.96	6.8	7.81	8.51	9.56	10.26	11.66	12.8	14.41	15.46	17.21	17.91
r	min		0.6	0.6	0.6	0.8	0.8	0.8	1	1	1	1	1	1.2
s	max=nominal size		21	24	27	30	34	36	41	46	50	55	60	65
	Grade A	min	20.67	23.67	26.67	29.67	33.38	35.38	-	-	-	-	-	-
	Grade B	min	20.16	23.16	26.16	29.16	33	35	40	45	49	53.8	58.8	63.1
Length of Thread b			-	-	-	-	-	-	-	-	-	-
Screw Thread d			(M45)	M48	(M52)	M56	(M60)	M64
P	Pitch		4.5	5	5	5.5	5.5	6
b	L≤125		-	-	-	-	-	-
	125＜L≤200		102	108	116	-	-	-
	L＞200		115	121	129	137	145	153
c	max		1	1	1	1	1	1
c	min		0.3	0.3	0.3	0.3	0.3	0.3
da	max		48.6	52.6	56.6	63	67	71
ds	max=nominal size		45	48	52	56	60	64
	Grade A	min	-	-	-	-	-	-
	Grade B	min	44.38	47.38	51.26	55.26	59.26	63.26
dw	Grade A	min	-	-	-	-	-	-
dw	Grade B	min	64.7	69.45	74.2	78.66	83.41	88.16
e	Grade A	min	-	-	-	-	-	-
e	Grade B	min	76.95	82.6	88.25	93.56	99.21	104.86
L1	max		8	10	10	12	12	13
k	Nominal Size		28	30	33	35	38	40
	Grade A	max	-	-	-	-	-	-
	Grade A	min	-	-	-	-	-	-
	Grade B	max	28.42	30.42	33.5	35.5	38.5	40.5
	Grade B	min	27.58	29.58	32.5	34.5	37.5	39.5
k1	Grade A	min	-	-	-	-	-	-
k1	Grade B	min	19.31	20.71	22.75	24.15	26.25	27.65
r	min		1.2	1.6	1.6	2	2	2
s	max=nominal size		70	75	80	85	90	95
	Grade A	min	-	-	-	-	-	-
	Grade B	min	68.1	73.1	78.1	82.8	87.8	92.8
Length of Thread b			-	-	-	-	-	-

8.8 Hex Head Bolt
Black Bolt
Black Grade 8.8 bolt
Black Grade 8.8 Hex Head Bolt
Black Grade 8.8 Hex Head Bolt china factory
Black Hex Cap Screw
DIN931Black Grade 8.8 Hex Head Bolt
DIN933 Black Grade 8.8 Hex Head Bolt
Grade 8.8 Hex Head Bolt
Hex Head Bolt

2 Comments

Kourtney
March 6, 2023 at 1:02 am

Hi friends, its wonderful paragraph about teachingand entirely explained,
keep it up all the time.

my web-site … edmodo

Victoria Addington
June 30, 2023 at 4:18 am

I was captured when you discussed that Hex bolts are used in major construction projects. My friend told me that they need hex head bolts. I should advise him to turn to a supplier that offers a wide selection of hex head bolts.
https://www.tricitybolt.com/product-category/stainless-steel-fasteners/hex-lag-bolts-stainless-steel-fasteners/

Bolts/Hex Bolt/

What are they used for

Manufacturing Process

Leave a ReplyCancel reply

2 Comments

Customized Non Standard Fasteners

DIN931/ISO4014 Black Grade 8.8 Hex Head Bolt

Carbon Steel Black ISO4032 Hex Nut

DIN 557 Square Nuts

DIN6334 Long Hex Coupling Nut Long Nut

Sleeve Anchors

Drop-in Anchors

Wedge Anchors

DIN982 Nylon Insert Hex Lock Nuts

DIN6923 Yellow Plated and White Zinc Palte or Black Hex Flange Cap Serrated Lock Nut

Bolts/Hex Bolt/

What are they used for

Manufacturing Process

Related Products

Customized Non Standard Fasteners

Cold Heading Quality (CHQ) Wires

BSW Plain Hex bolt

DIN933/ISO4017 DIN931/ISO4014 Zinc Plated Hex Bolt

DIN6923 Yellow Plated and White Zinc Palte or Black Hex Flange Cap Serrated Lock Nut

DIN 557 Square Nuts

SAE J429/UNC Hex Bolt/Hex Cap Screw

DIN6334 Long Hex Coupling Nut Long Nut

Hot Products

Customized Non Standard Fasteners

Carbon Steel Black DIN934 Hex Nut