| 简体 | 繁體 |

Cross Recessed Countersunk Head Tapping Screws

ISO 7050 - 1983

Display drawing:

 *Models with different eras.

Thread Size
d
ST2.2 ST2.9 ST3.5 ST4.2 ST4.8 ST5.5 ST6.3 ST8 ST9.5
P Pitch
a max
dk max
min
k max
Socket No.
M1 Type H
M2 Type Z
Penetration depth Type H max
min
Type Z max
min
y type C
type F
0.8 1.1 1.3 1.4 1.6 1.8 1.8 2.1 2.1
0.8 1.1 1.3 1.4 1.6 1.8 1.8 2.1 2.1
3.8 5.5 7.3 8.4 9.3 10.3 11.3 15.8 18.3
3.5 5.2 6.9 8 8.9 9.9 10.9 15.4 17.8
1.1 1.7 2.35 2.6 2.8 3 3.15 4.65 5.25
0 1 2 2 2 3 3 4 4
1.9 3.2 4.4 4.6 5.2 6.6 6.8 8.9 10
2 3.2 4.3 4.6 5.1 6.5 6.8 9 10
0.9 1.7 1.9 2.1 2.7 2.8 3 4 5.1
1.2 2.1 2.4 2.6 3.2 3.3 3.5 4.6 5.7
0.95 1.6 1.75 2.05 2.6 2.75 3 4.15 5.2
1.2 2 2.2 2.5 3.05 3.2 3.45 4.6 5.65
2 2.6 3.2 3.7 4.3 5 6 7.5 8
1.6 2.1 2.5 2.8 3.2 3.6 3.6 4.2 4.2

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 Cross Recessed Countersunk (Flat) Head Tapping Screws [ISO]
ISO 7050 - 2011
Cross Recessed Countersunk (Flat) Head Tapping Screws

View Suppliers
2 Cross Recessed Countersunk (Flat) Head Tapping Screws [DIN EN ISO]
DIN EN ISO 7050 - 2011
Cross Recessed Countersunk (Flat) Head Tapping Screws

View Suppliers
3 Cross Recessed Countersunk Head Tapping Screws [DIN]
DIN 7982 - 1990
Cross Recessed Countersunk Head Tapping Screws

View Suppliers
4 Cross Recessed Countersunk Head Tapping Screws [GB]
GB /T 846 - 2017
Cross Recessed Countersunk Head Tapping Screws

View Suppliers
5 Cross Recessed Countersunk Head Self-tapping Screws [GB]
GB 846 - 1976
Cross Recessed Countersunk Head Self-tapping Screws

View Suppliers
6 Cross Recessed Countersunk Head Tapping Screws [GB]
GB /T 846 - 1985
Cross Recessed Countersunk Head Tapping Screws

View Suppliers
7 Type I Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type C Thread Forming [Table 17] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type I Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type C Thread Forming [Table 17]
8 Type I Cross Recessed Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table 10] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type I Cross Recessed Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table 10]
9 Type I Cross Recessed 100°Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table VI2] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type I Cross Recessed 100°Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table VI2]
10 Type I Cross Recessed Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 10] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type I Cross Recessed Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 10]
11 Type I Cross Recessed Undercut Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 14] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type I Cross Recessed Undercut Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 14]
12 80° Machine Screw and Tapping Screw Nuts (Inch Seires) [ASME/ANSI]
ASME/ANSI B 18.6.3 - 2010
80° Machine Screw and Tapping Screw Nuts (Inch Seires)
13 Type IA Cross Recessed 100°Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table VI3] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type IA Cross Recessed 100°Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table VI3]
14 Type II Cross Recessed 100°Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table VI4] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type II Cross Recessed 100°Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table VI4]
15 Type I Cross Recessed 100°Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table VI2] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type I Cross Recessed 100°Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table VI2]
16 Type I Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type B and BP Thread Forming [Table 17] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type I Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type B and BP Thread Forming [Table 17]
17 Type II Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type B and BP Thread Forming [Table 19] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type II Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type B and BP Thread Forming [Table 19]
18 Type IA Cross Recessed Undercut Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 15] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type IA Cross Recessed Undercut Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 15]
19 Type I Cross Recessed Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table 11] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type I Cross Recessed Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table 11]
20 Type II Cross Recessed Undercut Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table 16] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type II Cross Recessed Undercut Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table 16]
21 Type II Cross Recessed Flat Countersunk Head Tapping Screws - Type A Thread Forming [Table 12] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type II Cross Recessed Flat Countersunk Head Tapping Screws - Type A Thread Forming [Table 12]
22 Undercut 82-deg Flat Countersunk Head Tapping Screws - Type AB (ABR) [ASME]
ASME B 18.6.3 (T10-I/T10-IA+T40) - 2013
Undercut 82-deg Flat Countersunk Head Tapping Screws - Type AB (ABR)
23 Type IA Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type AB Thread Forming [Table 18] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type IA Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type AB Thread Forming [Table 18]
24 Type II Cross Recessed 100°Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table VI4] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type II Cross Recessed 100°Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table VI4]
25 Type I Cross Recessed Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 11] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type I Cross Recessed Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 11]
26 Type I Cross Recessed Undercut Flat Countersunk Head Tapping Screws - Type C Thread Forming [Table 14] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type I Cross Recessed Undercut Flat Countersunk Head Tapping Screws - Type C Thread Forming [Table 14]
27 82° Cross Recessed Countersunk Head Tapping Screws - Type AB (ABR) [ASME]
ASME B 18.6.3 (H1B-I/H1B-IA+T1A) - 2024
82° Cross Recessed Countersunk Head Tapping Screws - Type AB (ABR)
28 Type II Cross Recessed Undercut Flat Countersunk Head Tapping Screws - Type C Thread Forming [Table 16] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type II Cross Recessed Undercut Flat Countersunk Head Tapping Screws - Type C Thread Forming [Table 16]
29 Type II Cross Recessed Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table 12] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type II Cross Recessed Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table 12]
30 Type IA Cross Recessed Undercut Flat Countersunk Head Tapping Screws - Type C Thread Forming [Table 15] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type IA Cross Recessed Undercut Flat Countersunk Head Tapping Screws - Type C Thread Forming [Table 15]
31 Type II Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type C Thread Forming [Table 19] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type II Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type C Thread Forming [Table 19]
32 Type II Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type A Thread Forming [Table 19] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type II Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type A Thread Forming [Table 19]
33 Type IA Cross Recessed 100°Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table VI3] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type IA Cross Recessed 100°Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table VI3]
34 82° Cross Recessed Countersunk Head Tapping Screws - Type AB (ABR) [ASME]
ASME B 18.6.3 (T2-I/T2-IA+T40) - 2013
82° Cross Recessed Countersunk Head Tapping Screws - Type AB (ABR)
35 Metric Cross Recessed Countersunk Head Tapping Screws [Table 9] [ASME]
ASME B 18.6.5M (T9) - 2000 (R2010)
Metric Cross Recessed Countersunk Head Tapping Screws [Table 9]
36 Type I Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type AB Thread Forming [Table 17] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type I Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type AB Thread Forming [Table 17]
37 Type I Cross Recessed Flat Countersunk Head Tapping Screws - Type A Thread Forming [Table 10] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type I Cross Recessed Flat Countersunk Head Tapping Screws - Type A Thread Forming [Table 10]
38 Type IA Cross Recessed Undercut Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table 15] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type IA Cross Recessed Undercut Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table 15]
39 Type II Cross Recessed Undercut Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 16] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type II Cross Recessed Undercut Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 16]
40 Type I Cross Recessed Flat Countersunk Head Tapping Screws - Type C Thread Forming [Table 11] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type I Cross Recessed Flat Countersunk Head Tapping Screws - Type C Thread Forming [Table 11]
41 Type I Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type A Thread Forming [Table 17] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type I Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type A Thread Forming [Table 17]
42 Type IA Cross Recessed Flat Countersunk Head Tapping Screws - Type A Thread Forming [Table 11] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type IA Cross Recessed Flat Countersunk Head Tapping Screws - Type A Thread Forming [Table 11]
43 Undercut 82-deg Flat Countersunk Head Tapping Screws - Type AB (ABR) [ASME]
ASME B 18.6.3 (H3B-I/H3B-IA+T1A) - 2024
Undercut 82-deg Flat Countersunk Head Tapping Screws - Type AB (ABR)
44 Type II Cross Recessed Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 12] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type II Cross Recessed Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 12]
45 Type II Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type AB Thread Forming [Table 19] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type II Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type AB Thread Forming [Table 19]
46 Type IA Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type B and BP Thread Forming [Table 18] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type IA Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type B and BP Thread Forming [Table 18]
47 Type IA Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type A Thread Forming [Table 18] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type IA Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type A Thread Forming [Table 18]
48 Type I Cross Recessed Flat Countersunk Head Tapping Screws - Type C Thread Forming [Table 10] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type I Cross Recessed Flat Countersunk Head Tapping Screws - Type C Thread Forming [Table 10]
49 Flat Coutersunk Trim Head Tapping Screws - Type AB and ABR [ASME]
ASME B 18.6.3 (T14-I/T14-IA+T40) - 2013
Flat Coutersunk Trim Head Tapping Screws - Type AB and ABR
50 Type I Cross Recessed Undercut Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table 14] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type I Cross Recessed Undercut Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table 14]
51 Type IA Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type C Thread Forming [Table 18] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type IA Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type C Thread Forming [Table 18]
52 Type II Cross Recessed Flat Countersunk Head Tapping Screws - Type C Thread Forming [Table 12] [ASME]
ASME B 18.6.4 - 1998 (R2005)
Type II Cross Recessed Flat Countersunk Head Tapping Screws - Type C Thread Forming [Table 12]
53 Flat Coutersunk Trim Head Tapping Screws - Type AB and ABR [ASME]
ASME B 18.6.3 (H4B-I/H4B-IA+T1A) - 2024
Flat Coutersunk Trim Head Tapping Screws - Type AB and ABR
54 Metric Type IA Cross-Recessed Flat Countersunk Head Tapping Screws [Table 10] [ASME]
ASME B 18.6.5M (T10) - 2000 (R2010)
Metric Type IA Cross-Recessed Flat Countersunk Head Tapping Screws [Table 10]
55 Cross Recessed Bugle Head Self-drilling Tapping Screws [JIS]
JIS B 1125 - 1995
Cross Recessed Bugle Head Self-drilling Tapping Screws
56 Cross Recessed Countersunk Head Tapping Screws [Table 2] [JIS]
JIS B 1122 (AT2) - 1996
Cross Recessed Countersunk Head Tapping Screws [Table 2]
57 Two-thread Countersunk (Flat) Head Tapping Screws with Cross Rocessed for Plastics [UNI]
UNI 9709 - 1990
Two-thread Countersunk (Flat) Head Tapping Screws with Cross Rocessed for Plastics
58 Cross Recessed Ribbed Countersunk Head Tapping Screws [JIS]
JIS B 1125 - 2003
Cross Recessed Ribbed Countersunk Head Tapping Screws
59 cross Recessed Trumpet Head Self Drilling Tapping Screw [JIS]
JIS B 1125 - 2003
cross Recessed Trumpet Head Self Drilling Tapping Screw
60 Recess 80°Truncated Countersunk Head Screws - Type Z  [Table 11] [BS]
BS 4174 - 1972
Recess 80°Truncated Countersunk Head Screws - Type Z [Table 11]
61 Cross Recessed Countersunk Head Tapping Screws - Threaded Portion are of Class 1 to 4 [Annex Attached Table 2] [JIS]
JIS B 1122 (AAT2) - 1996
Cross Recessed Countersunk Head Tapping Screws - Threaded Portion are of Class 1 to 4 [Annex Attached Table 2]
62 Recess 80°countersunk Head Screws - Type Z  [Table 9] [BS]
BS 4174 - 1972
Recess 80°countersunk Head Screws - Type Z [Table 9]
63 Flex. Purpose Drilling Tapping Screws [JIS]
JIS B 1125 - 2015
Flex. Purpose Drilling Tapping Screws
64 Cross Recessed Countersunk (Flat) Head Tapping Screws [NF]
NF E 25-656 - 1994
Cross Recessed Countersunk (Flat) Head Tapping Screws
65 Cross Recessed Trumpet Head Self Drilling Tapping Screw [JIS]
JIS B 1125 - 2015
Cross Recessed Trumpet Head Self Drilling Tapping Screw
66 Cross-Recessed Flat Countersunk Head Tapping Screws [UNI]
UNI 6955
Cross-Recessed Flat Countersunk Head Tapping Screws
67 ISO Metric Cross Recessed Countersunk Head Tapping Screws [AS]
AS /NZS 4407 - 1996
ISO Metric Cross Recessed Countersunk Head Tapping Screws
68 Cross-Recessed Countersunk (Flat) Head Tapping Screws [KS]
KS B 1032 - 2016 (R2021)
Cross-Recessed Countersunk (Flat) Head Tapping Screws
69 Cross-Recessed Countersunk (Flat) Head Tapping Screws [KS]
KS B 1032 - 2001
Cross-Recessed Countersunk (Flat) Head Tapping Screws
70 Cross Recessed Countersunk Head Tapping Screws [YJT]
YJT 4058 (WN1413C)
Cross Recessed Countersunk Head Tapping Screws