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Click Specification

(Non-preferred) dimensions in parentheses.

Unit:mm

Square Head Wood Screws

NF E 25-608 - 1985

Display drawing:

法国NF E25-608 - 1985 NF25-608 25-608NF Square Head Wood Screws

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

Screw Thread
d

5

6

(7)

8

10

12

(14)

16

(18)

20

P	Pitch
d_s	max
d_s	min
k	Nominal Size
	max
	min
s	max
s	min

2	2.5	3	3.5	4	4.5	5	6	7	7
5	6	7	8	10	12	14	16	18	20
4.52	5.52	6.42	7.42	9.42	11.3	13.3	15.3	17.3	19.16
3.5	4	5	5.3	6.4	7.5	8.8	10	11.5	12.5
3.88	4.38	5.38	5.68	6.85	7.95	9.25	10.75	12.4	13.4
3.12	3.62	4.62	4.92	5.95	7.05	8.35	9.25	10.6	11.6
8	10	11	13	17	19	22	24	27	30
7.64	9.64	10.57	12.57	16.57	18.16	21.16	23.16	26.16	29.16

Length of Thread b

-

-

-

-

-

-

-

-

-

-

Similar Standards

1		[DIN] DIN 571 - 2016	Hexagon Head Wood Screws
2		[ASME] ASME B 18.2.1 - 2012	Hex Lag Screws [Table 15] (ASTM A307 / F593 / F468 / A394)
3		[DIN] DIN 571 - 1986	Hexagon head wood screws
4		[ASME] ASME B 18.2.1 - 2010	Square Lag Screws
5		[ASME/ANSI] ASME/ANSI B 18.2.3.8M - 1991	Metric Hexagon Lag Screws
6		[ASME] ASME B 18.2.1 - 2012	Square Lag Screws [Table 14] (ASTM A307 / F593 / F468 / A394)
7		[DIN] DIN 571 - 2008	Hexagon head wood screws
8		[ASME] ASME B 18.2.1 - 2010	Hex Lag Screws
9		[ASME] ASME B 18.2.1 - 1996	Square Lag Screws [Table 8]
10		[DIN] DIN 571 - 2010	Hexagon head wood screws
11		[ASME] ASME B 18.2.1 - 1996	Hexagon Head Wood Screws
12		[UNI] UNI 704	Hexagon Head Wood Screws
13		[GB] GB 102 - 1986	Hexagon Head Wood Screws
14		[NF] NF E 25-607 - 1985	Woodscrews-Hexagon Lag Screws - Symbol H
15		[AS] AS /NZS 1393 - 1996	Coach Screws - Metric Series With ISO Hexagon Heads