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CROSS RECESSED RAISED COUNTERSUNK HEAD TAPPING SCREWS
Standard: DIN 7983; IFI H-33; ISO 7051; GB847
Material: C1018, C1022; Stainless Steel
 
DIN 7983
CROSS RECESSED RAISED COUNTERSUNK HEAD TAPPING SCREWS
Thread Size: 2.9-6.3 Length(L): 6.5-75mm
Thread Size
dk
f
k
Cross recess
L
(Type H)1
(Type z)m
No.
2.9
5.5
0.9
1.7
3.4
3.1
1
6.5-25
3.5
6.8
1.2
2.1
4.6
4.3
 
6.5-50
3.9
7.5
1.3
2.3
4.7
4.4
2
9.5-50
4.2
8.1
1.4
2.5
4.9
4.6
2
9.5-63
4.8
9.5
1.5
3.0
5.4
5.1
2
9.5-63
5.5
10.8
1.7
3.4
7.0
6.6
3
13-75
6.3
12.4
2.0
3.8
7.4
7.1
3
13-75

 

 

IFI H-33(E-39)
CROSS RECESSED OVAL COUNTERSUNK HEAD TAPPING SCREWS
Thread Size: 4-12,1/4in Length(L): 6.5-

Thread Size
dk
k
Cross recess
L(mm)
(Type 1)m
(Type 1A)m
No.
4
0.195
0.084
0.123
0.123
1
6.5-25
5
0.220
0.095
0.145
0.145
2
6.5-25
6
0.244
0.105
0.165
0.165
2
6.5-50
7
0.268
0.116
0.170
0.170
2
9.5-50
8
0.292
0.126
0.179
0.179
2
9.5-63
10
0.340
0.148
0.196
0.196
2
9.5-63
12
0.389
0.169
0.257
0.257
3
13-75
1/4
0.452
0.197
0.277
0.277
3
13-75

 

 

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