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Unit:mm

Cross Recessed Raised Countersunk Head Tapping Screws

ISO 7051 - 1983

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国际ISO 7051 - 1983 ISO7051 7051ISO Cross Recessed Raised Countersunk Head Tapping Screws
Download CAD Model*
国际ISO 7051 - 1983 ISO7051 7051ISO Cross Recessed Raised Countersunk Head Tapping Screws
Download CAD Model*

 *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 Theoretical max
Actual max
min
f ≈
k max
Socket No.
M1 Type H Ref.
Penetration depth Type H min
max
M2 Type Z Ref.
Penetration depth Type Z min
max
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
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
0.5 0.7 0.8 1 1.2 1.3 1.4 2 2.3
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
2.2 3.4 4.8 5.2 5.4 6.7 7.3 9.6 10.4
1.2 1.8 2.25 2.7 2.9 2.95 3.5 4.75 5.5
1.5 2.2 2.75 3.2 3.4 3.45 4 5.25 6
2.2 3.3 4.8 5.2 5.6 6.6 7.2 9.5 10.4
1.15 1.8 2.25 2.65 2.9 2.95 3.4 4.75 5.6
1.4 2.1 2.7 3.1 3.35 3.4 3.85 5.2 6.05
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

ISO 7051 - 1983 ISO 7051 - 2011

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  • Material: stainless steel, carbon steel; Nominal diameter: M1-M14; Nominal length: 5-400mm
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ASME B 18.6.4 - 1998 (R2005) 		Type IA Cross Recessed Oval Countersunk Trim Head Tapping Screws - Type C Thread Forming [Table 29]
35 Type IA Cross Recessed Undercut Oval Countersunk Head Tapping Screws - Type C Thread Forming [Table 26] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		Type IA Cross Recessed Undercut Oval Countersunk Head Tapping Screws - Type C Thread Forming [Table 26]
36 Type I Cross Recessed Oval Countersunk Trim Head Tapping Screws - Type A Thread Forming [Table 28] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		Type I Cross Recessed Oval Countersunk Trim Head Tapping Screws - Type A Thread Forming [Table 28]
37 Type I Cross Recessed Oval Countersunk Trim Head Tapping Screws - Type B and BP Thread Forming [Table 28] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		Type I Cross Recessed Oval Countersunk Trim Head Tapping Screws - Type B and BP Thread Forming [Table 28]
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41 Type II Cross Recessed Undercut Oval Countersunk Head Tapping screws - Type AB Thread Forming [Table 27] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		Type II Cross Recessed Undercut Oval Countersunk Head Tapping screws - Type AB Thread Forming [Table 27]
42 Type II Cross Recessed Oval Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 23] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		Type II Cross Recessed Oval Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 23]
43 Type IA Cross Recessed Undercut Oval Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 26] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		Type IA Cross Recessed Undercut Oval Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 26]
44 Type II Cross Recessed Oval Countersunk Trim Head Tapping Screws - Type C Thread Forming [Table 30] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		Type II Cross Recessed Oval Countersunk Trim Head Tapping Screws - Type C Thread Forming [Table 30]
45 Type II Cross Recessed Oval Countersunk Head Tapping Screws - Type A Thread Forming [Table 23] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		Type II Cross Recessed Oval Countersunk Head Tapping Screws - Type A Thread Forming [Table 23]
46 Type IA Cross Recessed Oval Countersunk Trim Head Tapping Screws - Type AB Thread Forming [Table 29] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		Type IA Cross Recessed Oval Countersunk Trim Head Tapping Screws - Type AB Thread Forming [Table 29]
47 Type I Cross Recessed Oval Countersunk Head Tapping Screws - Type AB Thread Forming [Table 21] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		Type I Cross Recessed Oval Countersunk Head Tapping Screws - Type AB Thread Forming [Table 21]
48 Oval 82° Countersunk Trim Head Tapping Screws - Type AB and ABR [ASME]
ASME B 18.6.3 (T16-I/T16-IA+T40) - 2013 		Oval 82° Countersunk Trim Head Tapping Screws - Type AB and ABR
49 Slotted Undercut Oval Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 24] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		Slotted Undercut Oval Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 24]
50 Metric Type IA Cross-Recessed Oval Countersunk Head Tapping Screws [Table 14] [ASME]
ASME B 18.6.5M (T14) - 2000 (R2010) 		Metric Type IA Cross-Recessed Oval Countersunk Head Tapping Screws [Table 14]
51 Slotted Undercut Oval Countersunk Head Tapping Screws - Type C Thread Forming [Table 24] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		Slotted Undercut Oval Countersunk Head Tapping Screws - Type C Thread Forming [Table 24]
52 Type I Cross Recessed Oval Countersunk Head Tapping Screws - Type A Thread Forming [Table 21] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		Type I Cross Recessed Oval Countersunk Head Tapping Screws - Type A Thread Forming [Table 21]
53 Cross Recessed Raised Countersunk Head Tapping Screws [Table 3] [JIS]
JIS B 1122 (AT3) - 1996 		Cross Recessed Raised Countersunk Head Tapping Screws [Table 3]
54 Cross Recessed Raised Countersunk (Oval) Head Tapping Screws [NF]
NF E 25-657 - 1994 		Cross Recessed Raised Countersunk (Oval) Head Tapping Screws
55 Cross Recess 80° Truncated Raised Countersunk Head Screws [Table 15] [BS]
BS 4174 - 1972 		Cross Recess 80° Truncated Raised Countersunk Head Screws [Table 15]
56 Cross Recessed Raised Countersunk Head Tapping Screws - Threaded Portion are of Class 1 to 4 [Annex Attached Table 3] [JIS]
JIS B 1122 (AAT3) - 1996 		Cross Recessed Raised Countersunk Head Tapping Screws - Threaded Portion are of Class 1 to 4 [Annex Attached Table 3]
57 ISO Metric Cross Recessed Raised Countersunk Head Tapping Screws [AS]
AS /NZS 4408 - 1996 		ISO Metric Cross Recessed Raised Countersunk Head Tapping Screws
58 Cross-Recessed Raised Countersunk (Oval) Head Tapping Screws [KS]
KS B 1032 - 2016 (R2021) 		Cross-Recessed Raised Countersunk (Oval) Head Tapping Screws
59 Cross-Recessed Raised Countersunk (Oval) Head Tapping Screws [KS]
KS B 1032 - 2001 		Cross-Recessed Raised Countersunk (Oval) Head Tapping Screws