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RAISED COUNTERSUNK HEAD TAPPING SCREWS WITH SLOT
Standard: DIN 7973; ISO 1483; B.S. 4174; IFI H-32, GB5284
Material: C1018, C1022; Stainless Steel
 
DIN 7973
RAISED COUNTERSUNK HEAD TAPPING SCREWS WITH SLOT
Thread Size: 2.9-6.3 Length(L): 6.5-75mm
Thread Size
dk
f
k
n
L(mm)
2.9
5.5
0.9
1.7
0.8
6.5-25
3.5
6.8
1.2
2.1
1
6.5-50
3.9
7.5
1.3
2.3
1
9.5-50
4.2
8.1
1.4
2.5
1.2
9.5-63
4.8
9.5
1.5
3
1.2
9.5-63
5.5
10.8
1.7
3.4
1.6
13-75
6.3
12.5
2
3.8
1.6
13-75

 

 

IFI H-32(E-28)
SLOTTED OVAL COUNTERSUNK HEAD TAPPING SCREWS
Thread Size: 4-12,1/4in Length(L): 6.5-75mm

Thread Size
dk
f+k
n
L(mm)
4
0.195
0.084
0.031
6.5-25
5
0.220
0.095
0.035
6.5-25
6
0.244
0.105
0.039
6.5-50
7
0.268
0.116
0.039
9.5-50
8
0.292
0.126
0.045
9.5-63
10
0.340
0.148
0.050
9.5-63
12
0.389
0.169
0.056
13-75
1/4
0.452
0.197
0.064
13-75

 

 

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