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M2.5

(M3.5)

(Non-preferred) dimensions in parentheses.

Cross Recessed Raised Countersunk Head Screws

JIS B 1111 (JA5) - 2017

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Thread Size
d

M2.5

(M3.5)

P	Pitch
Socket No.
d_k	max
d_k	min
k	max
k	min
c	≈
f	≈
m	Ref.
b
r	≈

0.4	0.45	0.5	0.6	0.7	0.8	1	1.25
1	1	2	2	2	2	3	3
4	5	6	7	8	10	12	16
3.6	4.6	5.5	6.5	7.5	9.4	11.3	15.2
1.2	1.45	1.75	2	2.3	2.8	3.4	4.4
1	1.25	1.45	1.7	2	2.5	3	4
0.2	0.2	0.25	0.25	0.3	0.3	0.4	0.4
0.4	0.55	0.7	0.8	0.9	1.2	1.4	1.8
2.4	2.9	3.8	4.3	4.7	5.3	6.9	8.6
8	12	12	14	16	20	25	30
0.2	0.25	0.3	0.35	0.4	0.5	0.6	0.8

①,x ≈ 2P。

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Similar Standards

1	[DIN EN ISO] DIN EN ISO 7047 - 2011	Raised Countersunk Head Screws (Common Head Style) with Type H or Type Z Cross Recess - Product Grade A View Suppliers
2	[DIN] DIN 966 - 1990	Cross Recessed Raised Countersunk Head Screws View Suppliers
3	[ISO] ISO 7047 - 2011	Rasied Countersunk Head Screws(Common Head Style) ，Grade A View Suppliers
4	[ISO] ISO 7047 - 1994	Countersunk Rasied Head Screws(Common Head Style) With Type H Or Type Z Cross Recess - Product Grade A View Suppliers
5	[GB] GB /T 820 - 2015	Raised Countersunk Head Screws With Cross Recess View Suppliers
6	[GB] GB /T 820 - 2000	Raised Countersunk Head Screws(Common Head Style)With Cross Recess View Suppliers
7	[GB] GB /T 13806.1 (C) - 1992	Cross Recessed Raised Countersunk Head Screws For Fine Mechanics View Suppliers
8	[GB] GB 820 - 1985	Cross recessed raised countersunk head screws View Suppliers
9	[ASME/ANSI] ASME/ANSI B 18.6.7M - 1998	Metric cross recessed raised countersunk screws
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11	[ASME/ANSI] ASME/ANSI B 18.6.7M - 1998	Metric PZ drives raised countersunk head screws
12	[DIN] DIN 6929 (NE) - 2013	Raised Countersunk Head Screws
13	[ASME] ASME B 18.6.3 (T15) - 2013	Oval 82-deg Countersunk Trim Head Screws [Table 15] (ASTM F837 / F468)
14	[ASME/ANSI] ASME/ANSI B 18.6.3 (T8) - 2010	80° Cross recessed raised countersunk head screws
15	[ASME] ASME B 18.6.3 (T8-I/T8-IA) - 2013	Cross recessed raised countersunk head screws - Type I and IA [Table 7&8]
16	[BS] BS 1981 - 1991	Recessed Raised Countersunk Head Machine Screws: Short Length
17	[BS] BS 450 - 1958	Recessed 90° Raised-Countersunk Head Screws with B.S.W. & B.S.F. Threads [Table 3]
18	[JIS] JIS B 1111 (T4) - 1996	Cross Recessed Raised Countersunk Head Screws
19	[JIS] JIS B 1111 (T12) - 2017	Cross Recessed Raised Countersunk Head Screws
20	[GB] GB 974 - 1976	120°Cross recessed raised countersunk screws
21	[JIS] JIS B 1111 (T4) - 2006	Cross Recessed Raised Countersunk Head Screws
22	[NF] NF E 25-120 - 1994	Cross Recessed Raised Countersunk Head Screws, With Type H Or Type Z Cross Recessed - Product Grade A
23	[BS] BS 1981 - 1991	Recessed raised Countersunk Head Machine Screws
24	[GOST] GOST 17474 - 1980	Raised countersunk head screws (Cross Recessed), product grades A and B
25	[AS] AS /NZS 1427 - 1996	ISO metric cross-recess raised countersunk screws [Table 2]
26	[CNS] CNS 4561 - 1981	Cross Recessed Raised Countersunk Head Screws
27	[KS] KS B 1023 (T9) - 2016 (R2021)	Cross Recessed Raised Countersunk Head Screws
28	[KS] KS B 1023 (T4) - 2001	Cross Recessed Raised Countersunk Head Screws