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COUNTERSUNK HEAD TAPPING SCREWS WITH SLOT
Standard: DIN 7972; ISO 1482; B.S. 4174; IFI H-24, GB5283
Material: C1018, C1022; Stainless Steel
 
DIN 7972
COUNTERSUNK HEAD TAPPING SCREWS WITH SLOT
Thread Size: 2.9-6.3 Length(L): 6.5-75mm
Thread Size
dk
k
n
L(mm)
2.9
5.5
1.7
0.8
6.5-25
3.5
6.8
2.1
1.0
6.5-50
3.9
7.5
2.3
1.0
9.5-50
4.2
8.1
2.5
1.2
9.5-63
4.8
9.5
3.0
1.2
9.5-63
5.5
10.8
3.4
1.6
13-75
6.3
12.4
3.8
1.6
13-75

 

 

IFI H-24(E-20)
SLOTTED FLAT COUNTERSUNK HEAD TAPPING SCREWS
Thread Size: 4-12,1/4in Length(L): 6.5-75mm

Thread Size
dk
k
n
L(mm)
4
0.195
0.067
0.031
6.5-25
5
0.220
0.075
0.035
6.5-25
6
0.244
0.083
0.039
6.5-50
7
0.268
0.091
0.089
9.5-50
8
0.292
0.100
0.045
9.5-63
10
0.340
0.116
0.500
9.5-63
12
0.389
0.132
0.056
13-75
1/4
0.452
0.153
0.064
13-75

 

 

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