China Full / Half Thread Plain Carbon Steel Hexagon Head Bolts With Fine Pitch DIN961 EN ISO8676 for sale

Full / Half Thread Plain Carbon Steel Hexagon Head Bolts With Fine Pitch DIN961 EN ISO8676

Name: Full / Half Thread Plain Carbon Steel Hexagon Head Bolts With Fine Pitch DIN961 EN ISO8676
Brand: Jiangsu Ying Yan Fastening System Technology Co.Ltd

Price Negotiable

Price: Negotiable

MOQ: 1000pieces

Delivery Time: Negotiable

Brand: YingYan

Product Description

DIN961 EN ISO8676 Full/Half Thread Carbon Steel Hexagon Head Bolts With Fine Pitch Thread Grade 4.8,6.8,8.8 Plain

Screw Thread			M8	M10	M12	M14	M16	M18	M20	M22	M24
d
P	Pitch	Fine thread-1	1	1	1.5	1.5	1.5	2	1.5	2	2
P	Pitch	Fine thread-2	-	1.25	1.25	-	-	1.5	2	1.5	1.5
a	max		3	3.75	4.5	4.5	4.5	6	6	6	6
c	min		0.15	0.15	0.15	0.15	0.2	0.2	0.2	0.2	0.2
c	max		0.6	0.6	0.6	0.6	0.8	0.8	0.8	0.8	0.8
da	max		9.2	11.2	13.7	15.7	17.7	20.2	22.4	24.4	26.4
dw	Grade A	min	11.6	15.6	17.4	20.5	22.5	25.3	28.2	30	33.6
dw	Grade B	min	11.4	15.4	17.2	20.1	22	24.8	27.7	29.5	33.2
e	Grade A	min	14.38	18.9	21.1	24.49	26.75	30.14	33.53	35.72	39.98
e	Grade B	min	14.2	18.72	20.88	23.91	26.17	29.56	32.95	35.03	39.55
k	Nominal Size		5.3	6.4	7.5	8.8	10	11.5	12.5	14	15
	Grade A	min	5.15	6.22	7.32	8.62	9.82	11.28	12.28	13.78	14.78
	Grade A	max	5.45	6.58	7.68	8.98	10.18	11.72	12.72	14.22	15.22
	Grade B	min	5.06	6.11	7.21	8.51	9.71	11.15	12.15	13.65	14.65
	Grade B	max	5.54	6.69	7.79	9.09	10.29	11.85	12.85	14.35	15.35
k1	min		3.54	4.28	5.05	5.96	6.8	7.8	8.5	9.6	10.3
r	min		0.4	0.4	0.6	0.6	0.6	0.6	0.8	0.8	0.8
s	max=nominal size		13	17	19	22	24	27	30	32	36
	Grade A	min	12.73	16.73	18.67	21.67	23.67	26.67	29.67	31.61	35.38
	Grade B	min	12.57	16.57	18.48	21.16	23.16	26.16	29.16	31	35
Weight of per 1000 steel products(≈kg)			-	-	-	-	-	-	-	-	-
Screw Thread			M27	M30	M33	M36	M39	M42	M45	M48	M52
d
P	Pitch	Fine thread-1	2	2	2	3	3	3	3	3	3
P	Pitch	Fine thread-2	-	-	-	-	-	-	-	-	-
a	max		6	6	6	9	9	9	9	9	9
c	min		0.2	0.2	0.2	0.2	0.3	0.3	0.3	0.3	0.3
c	max		0.8	0.8	0.8	0.8	1	1	1	1	1
da	max		30.4	33.4	36.4	39.4	42.4	45.6	48.6	52.6	56.6
dw	Grade A	min	-	-	-	-	-	-	-	-	-
dw	Grade B	min	38	42.7	46.6	51.1	55.9	59.9	64.7	69.4	74.2
e	Grade A	min	-	-	-	-	-	-	-	-	-
e	Grade B	min	45.2	50.85	55.37	60.79	66.44	71.3	76.95	82.6	88.25
k	Nominal Size		17	18.7	21	22.5	25	26	28	30	33
	Grade A	min	-	-	-	-	-	-	-	-	-
	Grade A	max	-	-	-	-	-	-	-	-	-
	Grade B	min	16.65	18.28	20.58	22.08	24.58	25.58	27.58	29.58	32.5
	Grade B	max	17.35	19.12	21.42	22.92	25.42	26.42	28.42	30.42	33.5
k1	min		11.7	12.8	14.4	15.5	17.2	17.9	19.3	20.9	22.8
r	min		1	1	1	1	1	1.2	1.2	1.6	1.6
s	max=nominal size		41	46	50	55	60	65	70	75	80
	Grade A	min	-	-	-	-	-	-	-	-	-
	Grade B	min	40	45	49	53.8	58.8	63.1	68.1	73.1	78.1
Weight of per 1000 steel products(≈kg)			-	-	-	-	-	-	-	-	-

Advantages:

Fine pitch bolts are commonly used in situations requiring high-strength connections. The fine pitch design enables the bolt to disperse the force over a smaller contact area, thereby increasing the strength per unit area. This makes the bolt capable of withstanding higher stress and having higher bearing capacity when subjected to the same load.
The design of fine pitch threads allows for a tighter fit between the bolt and nut, reducing clearances and looseness during the assembly process, improving assembly precision, and ensuring the stability and reliability of the connection.
The fine pitch design reduces the clearance in the tight fit, enhances sealing capability, and is suitable for applications requiring sealing.
The hexagonal head design offers superior grip and torque transmission efficiency, making it easier to manipulate the bolt with tools like wrenches or screwdrivers during installation and disassembly processes.

Characteristics:

Fine Pitch Design: As mentioned, the fine pitch thread is the primary characteristic of this bolt, providing the aforementioned advantages.
Hexagon Head: The hexagon head design ensures stability during operation and easy rotation with tools.
Good Interchangeability: Following unified international standards, these bolts have good interchangeability, making it convenient for users to select and replace them.

Applications:

High-Precision Equipment: Due to the high precision and excellent sealing performance of fine pitch bolts, they are often used in equipment requiring precise connections, such as precision instruments and aerospace equipment.
Vibration Environments: Fine pitch bolts' high strength and superior locking performance make them suitable for applications subject to vibration and impact, such as automobiles, motorcycles, and ships.
Sealing Applications: The tight fit of fine pitch bolts makes them particularly suitable for sealing applications, such as pipelines and fuel tanks.