Click Specification

(Non-preferred) dimensions in parentheses.

Hexagon Bolts with Reduced Head and Guide Neck, Precision Class B, Type 4

GOST 7795 (Type 4) - 1970

Display drawing:

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

Thread Size
d

M10

M12

(M14)

M16

(M18)

M20

(M22)

M24

(M27)

M30

M36

M42

M48

P	Coarse thread
	Fine thread
d₁	max=nominal size
	min
h	min
s
k
e	min
d_w
h₄	max
	min

1	1.25	1.5	1.75	2	2	2.5	2.5	2.5	3	3	3.5	4	4.5	5
/	1	1.25	1.25	1.5	1.5	1.5	1.5	1.5	2	2	2	3	3	3
6	8	10	12	14	16	18	20	22	24	27	30	36	42	48
5.7	7.64	9.64	11.57	13.57	15.57	17.57	19.48	21.48	23.48	26.48	29.48	35.38	41.38	47.38
3	4	5	6	7	8	9	10	11	12	14	15	18	21	24
10	12	14	17	19	22	24	27	30	32	36	41	50	60	70
4.2	5.3	6.4	7.5	8.8	10	12	12.5	14	15	17	18.7	22.5	26	30
10.9	13.1	15.3	18.7	20.9	23.9	26.2	29.6	33	35	39.6	45.2	55.4	66.4	76.9
8.7	10.5	12.5	15.5	17.2	20.1	22	24.8	27.7	29.5	33.2	38	46.6	55.9	64.7
0.6	0.6	0.6	0.6	0.6	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8
0.15	0.15	0.15	0.15	0.15	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.25	0.25

Length of Thread b

①,h1=（0.2÷0.4）k .

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Similar Standards

1	[GB] GB 21 - 1976	Small Hexagon Head Bolts View Suppliers
2	[JIS] JIS B 1180 (AT2.2) - 2004	Small Hexagon Bead Bolt, Semi-Finished
3	[JIS] JIS B 1180 (AT2.2) - 1994	Small Hexagon Head Bolts, Semifinished [Annex Attached Table 2.2.]
4	[JIS] JIS B 1180 (AT2.1) - 1994	Small Hexagon Head Bolts, Finished [Annex Attached Table 2.1]
5	[GB] GB 22 - 1976	Bolts, Small Hexagon Head with Fit Neck
6	[JIS] JIS B 1180 (AT2.1) - 2004	Small Hexagon Head Bolts, Finished
7	[CNS] CNS 4700 - 1987	Small Hexagon Head Bolts with Thread Approximately To Head, Small Widths Across Flats
8	[CNS] CNS 3120 - 1987	Hexagon Bolts with Small Widths Across Flats
9	[GOST] GOST 7811 (-5) - 1970	Hexagon Reduced Head Bolts with Guide Neck Product Grade A, Type 5
10	[GOST] GOST 7811 (-4) - 1970	Hexagon Reduced Head Bolts with Guide Neck Product Grade A, Type 4
11	[GOST] GOST 7811 (-3) - 1970	Hexagon Reduced Head Bolts with Guide Neck Product Grade A, Type 3
12	[GOST] GOST 7811 (-2) - 1970	Hexagon Reduced Head Bolts with Guide Neck Product Grade A, Type 2
13	[GOST] GOST 7811 (-1) - 1970	Hexagon Reduced Head Bolts with Guide Neck Product Grade A, Type 1
14	[GOST] GOST 7795 (Type 5) - 1970	Hexagon Bolts with Reduced Head and Guide Neck, Precision Class B, Type 5
15	[GOST] GOST 7795 (Type 3) - 1970	Hexagon Bolts with Reduced Head and Guide Neck, Precision Class B, Type 3
16	[GOST] GOST 7795 (Type 2) - 1970	Hexagon Bolts with Reduced Head and Guide Neck, Precision Class B, Type 2
17	[GOST] GOST 7795 (Type 1) - 1970	Hexagon Bolts with Reduced Head and Guide Neck, Precision Class B, Type 1
18	[GOST] GOST 7817 - 1980	Product Grade A Fit Bolts with Hexagon Reduced Head