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Unit:mm

Two-thread Countersunk (Flat) Head Tapping Screws with Cross Rocessed for Plastics

UNI 9709 - 1990

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意大利UNI 9709 - 1990 UNI9709 9709UNI Two-thread Countersunk (Flat) Head Tapping Screws with Cross Rocessed for Plastics
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Thread Size
3 3.5 4 4.5 5 5.5 6 7
d max
min
d2 max
min
d3 max
min
d4 max
min
P
y max
y1 max
dk max
min
k ≈
r max
Socket No.
M2 ≈
Penetration depth max
min
M1 ≈
Penetration depth max
min
3.15 3.65 4.1 4.65 5.1 5.6 6.1 7.15
2.95 3.35 3.8 4.35 4.8 5.3 5.8 6.85
2.59 2.89 3.29 3.59 3.94 4.44 4.94 5.89
2.39 2.59 2.99 3.29 3.64 4.14 4.64 5.59
1.95 2.15 2.45 2.65 3 3.5 3.9 4.85
1.75 1.85 2.15 2.35 2.7 3.2 3.6 4.55
1.9 2 2.3 2.5 2.8 3.25 3.65 4.6
1.7 1.8 2.1 2.3 2.6 3.05 3.45 4.35
2.1 2.5 2.7 2.8 3 3 3.1 3.5
2.3 2.6 3 3.2 3.7 4.3 4.8 5.8
1.9 2.4 2.6 3 3.6 3.9 4 4.2
4.9 5.5 6.8 7.5 8.1 9.5 10.8 12.4
4.6 5.2 6.44 7.14 7.74 9.14 10.37 11.97
1.5 1.7 2.1 2.3 2.5 3 3.4 3.8
0.9 1.1 1.4 1.5 1.6 1.9 2.1 2.4
1 1 2 2 2 2 3 3
2.8 3 4.2 4.4 4.6 5 6.3 7
1.73 2.01 2.31 2.51 2.72 3.1 3.18 3.84
1.48 1.76 1.85 2.05 2.26 2.64 2.72 3.38
2.7 3 4.2 4.6 4.7 5.1 6.8 7.1
1.55 1.7 2.12 2.53 2.62 3.1 3.53 3.91
1.25 1.4 1.62 2.03 2.11 2.59 2.95 3.33
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57 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]
58 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]
59 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]
60 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]
61 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]
62 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]
63 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]
64 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]
65 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]
66 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]
67 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]
68 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]
69 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]
70 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]
71 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]
72 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]