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Click Specification

(Non-preferred) dimensions in parentheses.

Unit:mm

Round Head Bolts

NF E 27-313 - 1959

Display drawing:

法国NF E27-313 - 1959 NF27-313 27-313NF Round Head Bolts

Thread Size
d

4

5

6

(7)

8

10

12

14

16

18

20

22

P	pitch
d_k
k
f
e

0.7	0,8	1	1	1.25	1.5	1.75	2	2	2.5	2.5	2.5
7	9	11	12	14	17	21	24	28	31	34	38
3	4	4.5	5	5.5	7	8	10	11	12	14	16
2	2.5	3	3.5	4	5	6	7	8	9	10	11
/	/	2	2	2.5	3	3.5	4	4	5	5	5

Thread Size
d

24

27

30

33

36

39

42

45

48

52

56

60

P	pitch
d_k
k
f
e

3	3	3.5	3.5	4	4	4.5	4.5	5	5	5.5	5.5
41	46	51	56	61	66	71	76	81	88	95	102
17	19	21	23	25	27	29	31	33	36	39	42
12	13.5	15	16.5	18	19.5	21	22.5	24	26	28	30
6	6	7	7	8	8	9	9	10	10	11	11

Similar Standards

1		[DIN] DIN 607 - 1981	Round Head Nib Bolts
2		[ASME/ANSI] ASME/ANSI B 18.5 (T5) - 2012	Round Head Fin Neck Bolts,(Inch Series) [Table 5] (A307, SAE J429, F468, F593)
3		[ASME/ANSI] ASME/ANSI B 18.5 (T5) - 2008	Round Head Double Nib Bolts
4		[ASME] ASME B 18.5 (T5) - 2012 (2017)	Round Head Fin Neck Bolts, (Inch Series) [Table 5] (A307, SAE J429, F468, F593)
5		[DIN] DIN 607 - 2010	Cup Head Nib Bolts
6		[GB] GB /T 13 - 2013	Cup Head Nib Bolts
7		[BS] BS 325 - 1947	Black Cup Nibbed Bolts for Iron and Steel Work
8		[UNI] UNI 5730 - 1965	Round Nib Head Bolts - ISO Metric Coarse Thread - Finish C
9		[GB] GB 15 - 1976	Cup Head Nib Bolts with Large Head
10		[GB] GB /T 15 - 1988	Cup Head Nib Bolts with Large Head
11		[BS] BS 4933 - 1973	Metric Cup Head Nibbed Bolts
12		[GB] GB /T 13 - 1988	Cup Head Nib Bolts
13		[GB] GB 13 - 1976	Cup Head Nib Bolts
14		[GB] GB /T 15 - 2013	Mushroom Head Nib Bolts
15		[AS] AS /NZS 1390 - 1997 (R2016)	ISO Metric Cup Nibbed Head Bolts
16		[CNS] CNS 4696 - 1983	Round Head Nip Bolts