Click Specification

(Non-preferred) dimensions in parentheses.

Same specifications, different dimensions for other parts.

Hexagon Head Bolts With Fine Pitch Thread

GB /T 5785 - 2000

Display drawing:

Download CAD Model^*

^*Models with different eras.

Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs

Default density g/cm³

Nominal Length L Tips:seclect Nominal Length L and get Weight Thread length.

Screw Thread
d

M10

(M10)

M12

(M12)

(M14)

M16

(M18)

M20

(M20)

(M22)

M24

P	Pitch
b	L≤125
	125＜L≤200
	L＞200
c	max
	min
d_a	max
d_s	max=nominal size
	Grade A	min
	Grade B	min
d_w	Grade A	min
	Grade B	min
e	Grade A	min
	Grade B	min
L₁	max
k	Nominal Size
	Grade A	max
		min
	Grade B	max
		min
k₁	Grade A	min
	Grade B	min
r	min
s	max=nominal size
	Grade A	min
	Grade B	min

1	1	1.25	1.5	1.25	1.5	1.5	1.5	1.5	2	1.5	2
22	26	26	30	30	34	38	42	46	46	50	54
28	32	32	36	36	40	44	48	52	52	56	60
41	45	45	49	49	57	57	61	65	65	69	73
0.6	0.6	0.6	0.6	0.6	0.6	0.8	0.8	0.8	0.8	0.8	0.8
0.15	0.15	0.15	0.15	0.15	0.15	0.2	0.2	0.2	0.2	0.2	0.2
9.2	11.2	11.2	13.7	13.7	15.7	17.7	20.2	22.4	22.4	24.4	26.4
8.00	10.00	10.00	12.00	12.00	14.00	16.00	18.00	20.00	20.00	22.00	24.00
7.78	9.78	9.78	11.73	11.73	13.73	15.73	17.73	19.67	19.67	21.67	23.67
7.64	9.64	9.64	11.57	11.57	13.54	15.57	17.57	19.48	19.48	21.48	23.48
11.63	14.63	14.63	16.63	16.63	19.64	22.49	25.34	28.19	28.19	31.71	33.61
11.47	14.47	14.47	16.47	16.47	19.15	22	24.85	27.7	27.7	31.35	33.25
14.38	17.77	17.77	20.03	20.03	23.36	26.75	30.14	33.53	33.53	37.72	39.98
14.20	17.59	17.59	19.85	19.85	22.78	26.17	29.56	32.95	32.95	37.29	39.55
2	2	2	3	3	3	3	3	4	4	4	4
5.3	6.4	6.4	7.5	7.5	8.8	10.0	11.5	12.5	12.5	14.0	15.0
5.45	6.58	6.58	7.68	7.68	8.98	10.18	11.715	12.715	12.715	14.215	15.215
5.15	6.22	6.22	7.32	7.32	8.62	9.82	11.285	12.285	12.285	13.785	14.785
5.54	6.69	6.69	7.79	7.79	9.09	10.29	11.85	12.85	12.85	14.35	15.35
5.06	6.11	6.11	7.21	7.21	8.51	9.71	11.15	12.15	12.15	13.65	14.65
3.61	4.35	4.35	5.12	5.12	6.03	6.87	7.9	8.6	8.6	9.65	10.35
3.54	4.28	4.28	5.05	5.05	5.96	6.8	7.81	8.51	8.51	9.56	10.26
0.4	0.4	0.4	0.6	0.6	0.6	0.6	0.6	0.8	0.8	0.8	0.8
13.00	16.00	16.00	18.00	18.00	21.00	24.00	27.00	30.00	30.00	34.00	36.00
12.73	15.73	15.73	17.73	17.73	20.67	23.67	26.67	29.67	29.67	33.38	35.38
12.57	15.57	15.57	17.57	17.57	20.16	23.16	26.16	29.16	29.16	33.00	35.00

Weight of per 1000 steel products(≈kg)

Length of Thread b

Screw Thread
d

(M27)

M30

(M33)

M36

(M39)

M42

(M45)

M48

(M52)

M56

(M60)

M64

P	Pitch
b	L≤125
	125＜L≤200
	L＞200
c	max
	min
d_a	max
d_s	max=nominal size
	Grade A	min
	Grade B	min
d_w	Grade A	min
	Grade B	min
e	Grade A	min
	Grade B	min
L₁	max
k	Nominal Size
	Grade A	max
		min
	Grade B	max
		min
k₁	Grade A	min
	Grade B	min
r	min
s	max=nominal size
	Grade A	min
	Grade B	min

2	2	2	3	3	3	3	3	4	4	4	4
60	66	-	-	-	-	-	-	-	-	-	-
66	72	78	84	90	96	102	108	116	-	-	-
79	85	91	97	103	109	115	121	129	137	145	153
0.8	0.8	0.8	0.8	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0
0.2	0.2	0.2	0.2	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3
30.4	33.4	36.4	39.4	42.4	45.6	48.6	52.6	56.6	63	67	71
27.00	30.00	33.00	36.00	39.00	42.00	45.00	48.00	52.00	56.00	60.00	64.00
-	-	-	-	-	-	-	-	-	-	-	-
26.48	29.48	32.38	35.38	38.38	41.38	44.38	47.38	51.26	55.26	59.26	63.26
-	-	-	-	-	-	-	-	-	-	-	-
38	42.75	46.55	51.11	55.86	59.95	64.7	69.45	74.2	78.66	83.41	88.16
-	-	-	-	-	-	-	-	-	-	-	-
45.20	50.85	55.37	60.79	66.44	71.30	76.95	82.60	88.25	93.56	99.21	104.86
6	6	6	6	6	8	8	10	10	12	12	13
17.0	18.7	21.0	22.5	25.0	26.0	28.0	30.0	33.0	35.0	38.0	40.0
-	-	-	-	-	-	-	-	-	-	-	-
-	-	-	-	-	-	-	-	-	-	-	-
17.35	19.12	21.42	22.92	25.42	26.42	28.42	30.42	33.50	35.50	38.50	40.50
16.65	18.28	20.58	22.08	24.58	25.58	27.58	29.58	32.50	34.50	37.50	39.50
-	-	-	-	-	-	-	-	-	-	-	-
11.66	12.8	14.41	15.46	17.21	17.91	19.31	20.71	22.75	24.15	26.25	27.65
1	1	1	1	1	1.2	1.2	1.6	1.6	2	2	2
41.00	46.00	50.00	55.00	60.00	65.00	70.00	75.00	80.00	85.00	90.00	95.00
-	-	-	-	-	-	-	-	-	-	-	-
40.00	45.00	49.00	53.80	58.80	63.10	68.10	73.10	78.10	82.80	87.80	92.80

Weight of per 1000 steel products(≈kg)

Length of Thread b

①,GB/T 5785-2000

Alternative history

GB 30 - 1976 GB 21 - 1976 GB 5785 - 1985 GB /T 5785 - 2000 GB /T 5785 - 2016

Suppliers

Best price if from GlobalFastener.com.

Ningbo SiTuo Fastener Co., Ltd

Petty Cao
+86-15381997760

Material: carbon steel, stainless steel; Grade: 4.8, 8.8, 10.9, 12.9; Surface treatment: according to customer requirements; Complete specifications, non-standard customization.

Similar Standards

1	[DIN] DIN 960 - 1990	Hexagon head bolts with fine pitch thread—Product grades A and B View Suppliers
2	[DIN EN ISO] DIN EN ISO 8765 - 2011	Hexagon Head Bolts With Fine Pitch Thread—Product Grades A and B View Suppliers
3	[GB] GB 5785 - 1986	Hexagon Head Bolts - Fine Pitch Thread - Product Grade A and B View Suppliers
4	[GB] GB /T 5785 - 2016	Hexagon Head Bolts - Fine Pitch Thread View Suppliers
5	[EN] EN 28765 - 1992	Hexagon Head Bolts With Metric Fine Pitch Thread - Product Grades A And B
6	[ISO] ISO 8765 - 2022	Hexagon Head Bolts With Fine Pitch Thread - Product Grades A And B
7	[ISO] ISO 8676 - 2022	Hexagon Head Screws, With Fine Pitch Thread - Product Grades A And B
8	[EN] EN 28676 - 1991	Hexagon Head Screws With Metric Fine Pitch Thread - Product Grades A And B
9	[ISO] ISO 8676 - 2011	Hexagon Head Screws With Metric Fine Pitch Thread-Product Grades A And B
10	[ISO] ISO 8765 - 2001	Hexagon bolts,fine pitch
11	[ISO] ISO 8765 - 2011	Hexagon Head Bolts With Metric Fine Pitch Thread-Product Grades A And B
12	[ISO] ISO 8765 - 1999	Hexagon head bolts with metric fine pitch thread-Product grades A and B
13	[DIN EN ISO] DIN EN ISO 8676 - 2011	Hexagon Head Bolts With Fine Pitch Thread—Product Grades A and B
14	[DIN] DIN 961 - 1990	Hexagon head bolts with fine pitch thread—Product grades A and B
15	[ISO] ISO 8676 - 1999	Hexagon head screws with metric fine pitch thread-Product grades A and B
16	[NF] NF E 25-151 - 2001	Hexagon Head Screws With Metric Fine Pitch Thread - Product Grades A And B
17	[UNI] UNI 5738	Hexagon Head Bolts With Metric Fine Pitch Thread-Product Grades A And B
18	[NF] NF E 25-152 - 2001	Hexagon Head Bolts With Metric Fine Pitch Thread - Product Grades A And B
19	[SAE] SAE AS 9283 (B) - 1999 (2015)	Bolt Machine - Hexagon Head, PD Shank, Black Oxide, Steel UNS G87400, 125 KSI Min, 1900-32 UNJF-3A
20	[GOST] GOST R 50790 - 1995	Hexagon Head Bolts With Metric Fine Pitch Thread-Product Grades A And B
21	[GOST] GOST R 50795 - 1995	Hexagon Head Screws With Metric Fine Pitch Thread - Full Threaded, Product Grades A and B
22	[CNS] CNS 4320 - 1987	Fine Thread Hexagon Head Bolts
23	[CNS] CNS 4321 - 1987	Hexagon Bolts With Approximately To Head, Fine Thread