About Us Pricing Terms of Use FAQ Contact Us
| 简体 | 繁體 |
English Deutsch Français 日本語 Italiano Español 한어 Português Русский بالعربية Türkçe

Click Specification

Unit:mm

Cross Recessed Countersunk Head Tapping Screws

GB /T 846 - 2017

Display drawing:

国标GB /T846 - 2017 GB846 846GB Cross Recessed Countersunk Head Tapping Screws
Download CAD Model
国标GB /T846 - 2017 GB846 846GB Cross Recessed Countersunk Head Tapping Screws
Download CAD Model
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 Theoretical max
Actual max
min
k max
Socket No.
M1 Type H Ref.
Penetration depth Type H max
min
M2 Type Z Ref.
Penetration depth Type Z max
min
y Ref. Type C
Type F
Type R
0.8 1.1 1.3 1.4 1.6 1.8 1.8 2.1 2.1
1.6 2.2 2.6 2.8 3.2 3.6 3.6 4.2 4.2
4.4 6.3 8.2 9.4 10.4 11.5 12.6 17.3 20
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
1.2 2.1 2.4 2.6 3.2 3.3 3.5 4.6 5.7
0.9 1.7 1.9 2.1 2.7 2.8 3 4 5.1
2 3 4.1 4.4 4.9 6.3 6.6 8.8 9.8
1.2 2.01 2.2 2.51 3.05 3.18 3.45 4.6 5.64
0.95 1.76 1.75 2.06 2.6 2.73 3 4.15 5.19
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
- - 2.7 3.2 3.6 4.3 5 6.3 -

Alternative history

GB 846 - 1976 GB /T 846 - 1985 GB /T 846 - 2017

Similar Standards

1 Cross Recessed Countersunk Head Tapping Screws [ISO]
ISO 7050 - 1983 		Cross Recessed Countersunk Head Tapping Screws

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

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

View Suppliers
4 Cross Recessed Countersunk (Flat) Head Tapping Screws [DIN EN ISO]
DIN EN ISO 7050 - 2011 		Cross Recessed Countersunk (Flat) 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 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]
8 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)
9 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]
10 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]
11 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)
12 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]
13 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]
14 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)
15 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]
16 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]
17 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]
18 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]
19 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]
20 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]
21 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)
22 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]
23 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]
24 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]
25 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]
26 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]
27 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]
28 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
29 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]
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 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]
32 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]
33 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]
34 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]
35 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]
36 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
37 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]
38 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]
39 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]
40 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]
41 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]
42 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]
43 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]
44 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]
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 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]
47 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]
48 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]
49 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]
50 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]
51 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]
52 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]
53 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)
54 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]
55 Cross Recessed Trumpet Head Self Drilling Tapping Screw [JIS]
JIS B 1125 - 2015 		Cross Recessed Trumpet Head Self Drilling Tapping Screw
56 Cross Recessed Ribbed Countersunk Head Tapping Screws [JIS]
JIS B 1125 - 2003 		Cross Recessed Ribbed Countersunk Head Tapping Screws
57 Recess 80°Truncated Countersunk Head Screws - Type Z [Table 11] [BS]
BS 4174 - 1972 		Recess 80°Truncated Countersunk Head Screws - Type Z [Table 11]
58 Cross Recessed Bugle Head Self-drilling Tapping Screws [JIS]
JIS B 1125 - 1995 		Cross Recessed Bugle Head Self-drilling 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 Cross-Recessed Flat Countersunk Head Tapping Screws [UNI]
UNI 6955 		Cross-Recessed Flat Countersunk Head Tapping Screws
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 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
64 Flex. Purpose Drilling Tapping Screws [JIS]
JIS B 1125 - 2015 		Flex. Purpose Drilling Tapping Screws
65 Cross Recessed Countersunk (Flat) Head Tapping Screws [NF]
NF E 25-656 - 1994 		Cross Recessed Countersunk (Flat) Head Tapping Screws
66 Cross Recessed Countersunk Head Tapping Screws [Table 2] [JIS]
JIS B 1122 (AT2) - 1996 		Cross Recessed Countersunk Head Tapping Screws [Table 2]
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