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CROSS RECESSED COUNTERSUNK HEAD TAPPING SCREWS
 Standard: DIN 7982; IFI H-25; ISO 7050; GB846
Material: C1018, C1022; Stainless Steel
 
DIN 7982
CROSS RECESSED COUNTERSUNK HEAD TAPPING SCREWS
Thread Size: 2.9-6.3 Length(L): 6.5-75mm
Thread Size
dk
k
Cross recess
L
(Type H)m
(Type z)m
No.
2.9
5.5
1.7
3.0
2.8
1
6.5-25
3.5
6.8
2.1
4.2
4.0
1
6.5-50
3.9
7.5
2.3
4.6
4.2
2
9.5-50
4.2
8.1
2.5
4.7
4.4
2
9.5-63
4.8
9.5
3.0
5.1
5.0
2
9.5-63
5.5
10.8
3.4
5.8
6.3
3
13-75
6.3
12.4
3.8
7.1
7.0
3
13-75

 

 

IFI H-25(E-21)
CROSS RECESSED FLAT COUNTERSUNK HEAD TAPPING SCREWS
Thread Size: 4-12,1/4in Length(L): 6.5-75mm

Thread Size
dk
k
Cross recess
L(mm)
(Type 1)m
(Type 1A)m
No.
4
0.195
0.067
0.115
0.115
1
6.5-25
5
0.220
0.075
0.141
0.141
2
6.5-25
6
0.244
0.083
0.161
0.161
2
6.5-50
7
0.268
0.091
0.169
0.169
2
9.5-50
8
0.292
0.100
0.176
0.176
2
9.5-63
10
0.340
0.116
0.191
0.191
2
9.5-63
12
0.389
0.132
0.255
0.255
3
13-75
1/4
0.452
0.153
0.270
0.270
3
13-75

 

 

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