Hexagon Bolts are created to DIN 931

Short Description:

Hexagon Bolts are created to DIN 931, and are a partially threaded fastener with a hexagon-shaped head that is usually fixed with a spanner or socket tool.

Hosting a machine thread, these bolts are suitable for use with either a nut or within a pre-tapped hole.
Materials can include various grades of Steel, including Grade 5 (5.6), Grade 8 (8.8), Grade 10 (10.9) and Grade 12 (12.9) with Zinc plating, Zinc and yellow, galvanising or self colour.

As standard, they are available in sizes from M3 to M64, with non-standard sizes and threads – such as UNC, UNF, BSW and BSF – all possible to order.

Non-standard sizes, materials and finishes are available to order as specials, including small volume manufacture, modifications and bespoke parts made to drawings. Minimum order quantities apply.

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Product Detail

Product Tags

Products name	HEX BOLT DIN 931/ISO4014 half thread
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,

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			-	-	-	-	-	-

Features and Benefits

Hexagon bolts are a type of fastener that is designed with a six-sided head and a partially threaded shaft. DIN 931 is a technical standard that outlines the manufacturing requirements for hexagon bolts. These bolts are commonly used in various industrial and mechanical applications due to their strength, durability, and versatility.

One of the key features of hexagon bolts created to DIN 931 is their partial threading. Unlike fully threaded bolts, which have threads that run the entire length of the shaft, hexagon bolts only have threads on a portion of their length. This design allows the bolt to be securely fastened in place while still providing enough clearance for components to move when necessary.

Another important aspect of hexagon bolts is their six-sided head. This design offers several advantages over other types of bolts. Firstly, the hexagonal shape allows for easier tightening and loosening with a wrench or socket. Secondly, the larger surface area of the head distributes the force of tightening over a wider area, reducing the likelihood of damage or deformation.

Hexagon bolts created to DIN 931 are available in a wide range of sizes and materials, making them suitable for a vast array of applications. They are commonly used in construction, automotive, and industrial machinery, as well as in household and DIY projects. The combination of their strength, durability, and ease of use makes hexagon bolts an essential component in many types of machinery and equipment.

In summary, hexagon bolts created to DIN 931 are designed to provide a secure and reliable fastening solution for a variety of applications. Their partially threaded shaft and six-sided head offer a range of benefits, including ease of use, increased strength and durability, and versatility. These bolts are an essential part of many types of machinery and equipment, and their popularity is a testament to their quality and effectiveness.

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