简体 | 繁體 | FastenerExpo |

Click Specification

(Non-preferred) dimensions in parentheses.

Cross recessed raised countersunk head screws

GB 820 - 1985

Display drawing:

国标GB 820 - 1985 GB820 820GB Cross recessed raised countersunk head screws
国标GB 820 - 1985 GB820 820GB Cross recessed raised countersunk head screws
Nominal Length L Tips:seclect Nominal Length L and get Thread length.
Screw Thread
d
M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10
P Pitch
a max
dk theor. max
Actual max=nominal size
min
k max
x max
Socket No.
M1 Ref.
M2 Ref.
Penetration depth Type H min
max
Type Z min
max
0.35 0.4 0.45 0.5 0.7 0.8 1 1.25 1.5
0.7 0.8 0.9 1 1.4 1.6 2 2.5 3
3.6 4.4 5.5 6.3 9.4 10.4 12.6 17.3 20
3 3.8 4.7 5.5 8.4 9.3 11.3 15.8 18.3
2.7 3.5 4.4 5.2 8 8.9 10.9 15.4 17.8
1 1.2 1.5 1.65 2.7 2.7 3.3 4.65 5
0.9 1 1.1 1.25 1.75 2 2.5 3.2 3.8
0 0 1 1 2 2 3 4 4
1.9 2 3 3.4 5.2 5.4 7.3 9.6 10.4
2 2.2 3 3.8 5.2 5.6 7.2 9.6 10.4
0.9 1.2 1.5 1.8 2.7 2.9 3.5 4.75 5.5
1.2 1.5 1.85 2.2 3.2 3.4 4 5.25 6
0.95 1.15 1.5 1.8 2.65 2.9 3.4 4.75 5.6
1.2 1.4 1.75 2.1 3.1 3.35 3.85 5.2 6.05
Length of Thread b min
- - - - - - - - -

Alternative history

Suppliers

Best price if from GlobalFastener.com.
Jiangsu BofanKe Precision Metal Technology Co., Ltd.
  • Director Tang

  • +86-15298892886/15262400870

  • +86-516-86839568

  • Material: stainless steel, carbon steel; Nominal diameter: M1-M14; Nominal length: 5-400mm

Similar Standards

1 Raised Countersunk Head Screws (Common Head Style) with Type H or Type Z Cross Recess - Product Grade A [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 Cross Recessed Raised Countersunk Head Screws [DIN]
DIN 966 - 1990
Cross Recessed Raised Countersunk Head Screws

View Suppliers
3 Rasied Countersunk Head Screws(Common Head Style) ,Grade A [ISO]
ISO 7047 - 2011
Rasied Countersunk Head Screws(Common Head Style) ,Grade A

View Suppliers
4 Countersunk Rasied Head Screws(Common Head Style) With Type H Or Type Z Cross Recess - Product Grade A [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 Cross Recessed Raised Countersunk Head Screws For Fine Mechanics [GB]
GB /T 13806.1 (C) - 1992
Cross Recessed Raised Countersunk Head Screws For Fine Mechanics

View Suppliers
6 Raised Countersunk Head Screws With Cross Recess [GB]
GB /T 820 - 2015
Raised Countersunk Head Screws With Cross Recess

View Suppliers
7 Raised Countersunk Head Screws(Common Head Style)With Cross Recess [GB]
GB /T 820 - 2000
Raised Countersunk Head Screws(Common Head Style)With Cross Recess

View Suppliers
8 Undercut Oval 82-deg Countersunk Head Screws, Type I & Type IA Recess [ASME]
ASME B 18.6.3 (T12-I/T12-IA) - 2013
Undercut Oval 82-deg Countersunk Head Screws, Type I & Type IA Recess
9 Oval 82-deg Countersunk Trim Head Screws [Table 15] (ASTM F837 / F468) [ASME]
ASME B 18.6.3 (T15) - 2013
Oval 82-deg Countersunk Trim Head Screws [Table 15] (ASTM F837 / F468)
10 Raised Countersunk Head Screws [DIN]
DIN 6929 (NE) - 2013
Raised Countersunk Head Screws
11 Cross recessed raised countersunk head screws - Type I and IA [Table 7&8] [ASME]
ASME B 18.6.3 (T8-I/T8-IA) - 2013
Cross recessed raised countersunk head screws - Type I and IA [Table 7&8]
12 80° Cross recessed raised countersunk head screws [ASME/ANSI]
ASME/ANSI B 18.6.3 (T8) - 2010
80° Cross recessed raised countersunk head screws
13 Metric PZ drives raised countersunk head screws [ASME/ANSI]
ASME/ANSI B 18.6.7M - 1998
Metric PZ drives raised countersunk head screws
14 Metric cross recessed raised countersunk screws [ASME/ANSI]
ASME/ANSI B 18.6.7M - 1998
Metric cross recessed raised countersunk screws
15 Recessed raised Countersunk Head Machine Screws [BS]
BS 1981 - 1991
Recessed raised Countersunk Head Machine Screws
16 120°Cross recessed raised countersunk screws [GB]
GB 974 - 1976
120°Cross recessed raised countersunk screws
17 Recessed 90° Raised-Countersunk Head Screws with B.S.W. & B.S.F. Threads [Table 3] [BS]
BS 450 - 1958
Recessed 90° Raised-Countersunk Head Screws with B.S.W. & B.S.F. Threads [Table 3]
18 Cross Recessed Raised Countersunk Head Screws [JIS]
JIS B 1111 (T4) - 2006
Cross Recessed Raised Countersunk Head Screws
19 Cross Recessed Raised Countersunk Head Screws, With Type H Or Type Z Cross Recessed - Product Grade A [NF]
NF E 25-120 - 1994
Cross Recessed Raised Countersunk Head Screws, With Type H Or Type Z Cross Recessed - Product Grade A
20 Cross Recessed Raised Countersunk Head Screws [JIS]
JIS B 1111 (T4) - 1996
Cross Recessed Raised Countersunk Head Screws
21 Cross Recessed Raised Countersunk Head Screws [JIS]
JIS B 1111 (JA5) - 2017
Cross Recessed Raised Countersunk Head Screws
22 Recessed Raised Countersunk Head Machine Screws: Short Length [BS]
BS 1981 - 1991
Recessed Raised Countersunk Head Machine Screws: Short Length
23 Cross Recessed Raised Countersunk Head Screws [JIS]
JIS B 1111 (T12) - 2017
Cross Recessed Raised Countersunk Head Screws
24 Raised countersunk head screws (Cross Recessed),  product grades A and B [GOST]
GOST 17474 - 1980
Raised countersunk head screws (Cross Recessed), product grades A and B
25 Cross Recessed Raised Countersunk Head Screws [KS]
KS B 1023 (T9) - 2016 (R2021)
Cross Recessed Raised Countersunk Head Screws
26 Cross Recessed Raised Countersunk Head Screws [KS]
KS B 1023 (T4) - 2001
Cross Recessed Raised Countersunk Head Screws
27 Cross Recessed Raised Countersunk Head Screws [CNS]
CNS 4561 - 1981
Cross Recessed Raised Countersunk Head Screws
28 ISO metric cross-recess raised countersunk screws [Table 2] [AS]
AS /NZS 1427 - 1996
ISO metric cross-recess raised countersunk screws [Table 2]