Click Specification

(Non-preferred) dimensions in parentheses.

Hexagon Head Bolts - Full Thread - Product GradeC

GB /T 5781 - 2000

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^*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 .

Screw Thread
d

M10

M12

(M14)

M16

(M18)

M20

(M22)

M24

(M27)

P	Pitch
a	max
a	min
c	max
d_a	max
d_w	min
e	min
k	Nominal Size
	max
	min
k₁	min
r	min
s	max=nominal size
s	min

0.8	1	1.25	1.5	1.75	2	2	2.5	2.5	2.5	3	3
2.4	3	4	4.5	5.3	6	6	7.5	7.5	7.5	9	9
0.8	1	1.25	1.5	1.75	2	2	2.5	2.5	2.5	3	3
0.5	0.5	0.6	0.6	0.6	0.6	0.8	0.8	0.8	0.8	0.8	0.8
6	7.2	10.2	12.2	14.7	16.7	18.7	21.2	24.4	26.4	28.4	32.4
6.74	8.74	11.47	14.47	16.47	19.15	22	24.85	27.7	31.35	33.25	38
8.63	10.89	14.2	17.59	19.85	22.78	26.17	29.56	32.95	37.29	39.55	45.2
3.5	4	5.3	6.4	7.5	8.8	10	11.5	12.5	14	15	17
3.875	4.375	5.675	6.85	7.95	9.25	10.75	12.4	13.4	14.9	15.9	17.9
3.125	3.625	4.925	5.95	7.05	8.35	9.25	10.6	11.6	13.1	14.1	16.1
2.19	2.54	3.45	4.17	4.94	5.85	6.48	7.42	8.12	9.17	9.87	11.27
0.2	0.25	0.4	0.4	0.6	0.6	0.6	0.6	0.8	0.8	0.8	1
8.00	10.00	13.00	16.00	18.00	21.00	24.00	27.00	30.00	34	36	41
7.64	9.64	12.57	15.57	17.57	20.16	23.16	26.16	29.16	33	35	40

Weight of per 1000 steel products(≈kg)

Screw Thread
d

M30

(M33)

M36

(M39)

M42

(M45)

M48

(M52)

M56

(M60)

M64

P	Pitch
a	max
a	min
c	max
d_a	max
d_w	min
e	min
k	Nominal Size
	max
	min
k₁	min
r	min
s	max=nominal size
s	min

3.5	3.5	4	4	4.5	4.5	5	5	5.5	5.5	6
10.5	10.5	12	12	13.5	13.5	15	15	16.5	16.5	18
3.5	3.5	4	4	4.5	4.5	5	5	5.5	5.5	6
0.8	0.8	0.8	1	1	1	1	1	1	1	1
35.4	38.4	42.4	45.4	48.6	52.6	56.6	62.6	67	71	75
42.75	46.55	51.11	55.86	59.95	64.7	69.45	74.2	78.66	83.41	88.16
50.85	55.37	60.79	66.44	71.3	76.95	82.6	88.25	93.56	99.21	104.86
18.7	21	22.5	25	26	28	30	33	35	38	40
19.75	22.05	23.55	26.05	27.05	29.05	31.05	34.25	36.25	39.25	41.25
17.65	19.95	21.45	23.95	24.95	26.95	28.95	31.75	33.75	36.75	38.75
12.36	13.97	15.02	16.77	17.47	18.87	20.27	22.23	23.63	25.73	27.13
1	1	1	1	1.2	1.2	1.6	1.6	2	2	2
46	50	55.0	60.0	65.0	70.0	75.0	80.0	85.0	90.0	95.0
45	49	53.8	58.8	63.1	68.1	73.1	78.1	82.8	87.8	92.8

Weight of per 1000 steel products(≈kg)

Alternative history

GB 5781 - 1986 GB /T 5781 - 2000 GB /T 5781 - 2016

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Similar Standards

1	[DIN] DIN 933 - 1987	Hexagon Head Screws Threaded Up To The Head - Product Grades A and B View Suppliers
2	[DIN EN ISO] DIN EN ISO 4017 - 2001	Hexagon Head Screws - Product Grades A and B View Suppliers
3	[ISO] ISO 4017 - 2011	Hexagon Head Screws with Full Thread - Product Grade A and B View Suppliers
4	[ISO] ISO 4017 - 2014	Hexagon Head Screws - Product Grade A and B View Suppliers
5	[ISO] ISO 4017 - 1999	Hexagon Head Screws - Product Grade A and B View Suppliers
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8	[GB] GB /T 5783 - 2016	Hexagon Head Bolts - Full Thread View Suppliers
9	[GB] GB 5783 - 1986	Hexagon Head Bolts - Full Thread - Product Grade A and B View Suppliers
10	[GB] GB /T 5786 - 2000	Hexagon Head Bolts with Fine Pitch Thread - Full Thread View Suppliers
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12	[GB] GB /T 5783 - 2000	Hexagon Head Bolts - Full Thread - Grade A and B View Suppliers
13	[GB] GB /T 5786 - 2016	Hexagon Head Bolts with Fine Pitch Thread - Full Thread View Suppliers
14	[EN] EN 24018 - 1991	Hexagon Head Screws - Product Grade C
15	[ISO] ISO 4018 - 2022	Hexagon Head Screws - Product Grade C
16	[EN] EN 24017 - 1991	Hexagon Head Screws - Product Grades A and B
17	[DIN] DIN 558 - 1987	Hexagon Head Screws - Product Grade C
18	[DIN] DIN 34810 - 1999	Plastic Hexagon Head Screws
19	[ISO] ISO 4018 - 1999	Hexagon Head Screws-Product Grade C
20	[ISO] ISO 4018 - 2011	Hexagon Head Screws - Product Grade C
21	[DIN EN] DIN EN 24017 - 1992	Hexagon Head Screws Product Grades A and B
22	[DIN] DIN 34810 - 2018	Plastic Hexagon Head Screws
23	[DIN EN ISO] DIN EN ISO 4018 - 2011	Hexagon Head Screws - Product Grade C
24	[BS] BS 4190 - 2014	ISO Metric Black Hexagon Head Screws [Table 5]
25	[JIS] JIS B 1180 (ISO4017) - 2014	Hexagon Head Screw Bolt, Coarse, Product Grades A and B
26	[JIS] JIS B 1180 (ISO 4018) - 1994	Hexagon Head Bolts, Continuous Thread, Product Grade C [Table 8]
27	[GB] GB 5781 - 1986	Hexagon Head Bolts - Full Thread - Product Grade C
28	[UNI] UNI 6421 - 1969	Hexagon Screws for Manufacture of Railway and Tramway Rolling Stock - ISO Metric Coarse Thread - Finish A
29	[JIS] JIS B 1180 (ISO 8676) - 1994	Hexagon Head Bolts, Continuous Thread, Product Grade B [Table 6]
30	[BS] BS 1768 - 1963	Unified Hexagon Head Screws, Washer Faced
31	[UNI] UNI 5739 - 1965	Hexagon Head Bolts
32	[BS] BS 916 - 1953	Hexagon Screws Faced Under Head with B.S.Threads - Black [Table 2]
33	[NF] NF E 25-115-2 - 2001	Hexagon Head Screws - Full Thread - Product Grade C
34	[BS] BS 4190 - 2014	Iso Metric Hexagon Head Screws Faced Under Head Only [Table 6]
35	[JIS] JIS B 1180 (ISO 4017) - 1994	Hexagon Head Bolts, Continuous Thread, Procuct Grade A [Table 5]
36	[BS] BS 4190 - 2001	ISO Metric Black Hexagon Head Screws [Table 10]
37	[BS] BS 1981 - 1991	Hexagon Head Screws
38	[NF] NF E 25-114 - 2001	Hexagon Head Bolts - Product Grades A and B
39	[BS] BS 1083 - 1965	Precision Hexagon Head Screws - Washer Faced - B.S.W. & B.S.F. Threads
40	[JIS] JIS B 1180 (ISO8676) - 2014	Hexagon Head Screw Bolt, Fine Thread, Product Grade A and B
41	[JIS] JIS B 1180 (ISO4018) - 2014	Hexagon Head Screw Bolt, Coarse, Product Grade C
42	[BS] BS 916 - 1953	Hexagon Head Screws with B.S.Threads [Table 1]
43	[BS] BS 1769 - 1951	Unified Hexagon Head Screws - Heavy Series
44	[GB] GB /T 5781 - 2016	Hexagon Head Bolts - Full Thread - Product Grade C
45	[BS] BS 4190 - 2001	ISO Metric Hexagon Head Screws Faced Under Head Only [Table 11]
46	[GOST] GOST R 50793 - 1995	Hexagon Head Screws with Threading Up To Head, Product Grades A and B
47	[GOST] GOST 50792 - 1995	Hexagon Head Screws - Product Grade C
48	[AS] AS 1111.2 - 2015	ISO Metric Hexagon Head Screws - Product Grade C
49	[AS] AS 1110.2 - 2000	ISO Metric Hexagon Head Screws - Product Grades A and B
50	[AS] AS 1111.2 - 2000	ISO Metric Hexagon Head Screws - Product Grade C
51	[AS] AS /NZS 2465 - 1999 (R2016)	Hexagon Screws (UNC and UNF threads)
52	[AS] AS /NZS 2451 - 1998	Screws with British Standard Whitworth Threads (rationalized series)
53	[AS] AS /NZS 1427 - 1996	ISO Metric Indented Hexagon Head Screws [Table 6]
54	[CNS] CNS 3122 - 2001	Hexagon Bolts with Thread up to Head, Finished and Semi-Finished
55	[CNS] CNS 4322 - 1982	Hexagon Bolts with Thread Approximately to Head, Regular
56	[KS] KS B 1002 (T5) - 2001	Hexagon Head Bolts-Full Thread - Grade A [Table 5]
57	[KS] KS B 1002 (T6) - 2001	Hexagon Head Bolts-Full Thread - Grade B [Table 6]
58	[KS] KS B 1002 (T7) - 2001	Hexagon Head Bolts-Full Thread - Grade C [Table 7]
59	[GOST] GOST P ISO 4017 - 2013	Hexagon Head Screws - Product Grades A and B
60	[IS] IS 1363 (-2) - 2002	Hexagon Head Screws (Size Range M5 to M64), Product Grade C
61	[IS] IS 1364 (-2) - 2002	Hexagon Head Screws (Size Range M1.6 - M64)