Self Tapping Screws

We are one of the leading manufacturers of Cold Forged Stainless Steel self trapping screws. With the help of years of experience , we are able to provide finest quality of Cold Forged Stainless Steel self trapping screws. Our Range Includes head self tapping screws (DIN 7971), Slotted Countersunk Head Tapping Screws (DIN 7972), Slotted raised countersunk head tapping screws (DIN 7973), Hexagon head self tapping screws (DIN 7976), Phillips cross recessed flat head self tapping screws (DIN 7981), Phillips cross recessed pan head self tapping screws (DIN 7982), Phillips cross recessed oval head self tapping screws (Din 7983).


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DIN 7971



*All measurements in millimeters (mm)*
d1 d2 Max k Max n t min
2.2 4.2 1.35 0.6 0.55
2.9 5.6 1.75 0.8. 0.75
3.5 6.9 2.1 2 0.95
3.9 7.5. 2.25 1 1.05
4.2 8.2 2.45 1.2 1.15
4.8 9.5 2.8 1.2 1.35
5.5 10.8 3.2 1.6 1.55
6.3 12.5 3.65 1.6 1.8

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DIN 7972



*All measurements in millimeters (mm)*
d1 d2 Max k Max n t min
2.2 4.3 1.3 0.6 0.4
2.9 5.5 1.7 0.8. 0.5
3.5 6.8 2.1 1 0.6
3.9 7.5. 2.3 1 0.7
4.2 8.1 2.5 1.2 0.75
4.8 9.5 3 1.2 0.85
5.5 10.8 3.4 1.6 1
6.3 12.4 3.8 1.6 1.2

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DIN 7973


*All measurements in millimeters (mm)*
d ST 2.2 ST 2.9 ST 3.5 ST 4.2 ST 4.8 ST 5.5 ST 6.3
No #4 #5 #6 #8 #10 #12 #14
Pitch 0.8 1.1 1.3 1.4 1.6 1.8 1.8
d  max 4.3 5.5 6.8 8.1 9.5 10.8 12.4
d   min 4 5.2 6.44 7.74 9.14 10.37 11.97
k 1.3 1.7 2.1 2.5 3.0 3.4 3.8
f 0.7 0.9 1.2 1.4 1.5 1.7 2.0
n   min 0.6 0.8 1.0 1.2 1.2 1.6 1.6
n   max 0.8 1 1.2 1.51 1.51 1.91 1.91
t   min 0.95 1.25 1.55 1.85 2.15 2.45 2.85
n   max 1.15 1.5 1.9 2.25 2.6 2.95 3.45

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DIN 7976



*All measurements in millimeters (mm)*
d ST 2.9 ST 3.5 ST 4.2 ST 4.8 ST 5.5 ST 6.3
No #5 #6 #8 #10 #12 #14
e  min 5.4 5.96 7.59 8.71 8.71 10.95
k   min 1.38 2.18 2.68 2.88 3.85 4.65
k   max 1.62 2.42 2.92 3.12 4.15 4.95
s   max 7.5 2.2 2 4.5 2.04 2.54
s   min 4.82 5.32 6.78 7.78 7.78 9.78

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DIN 7981


*All measurements in millimeters (mm)*
d1 k max d2 max m approx. Cross recess No.
2.2 1.8 4.2 2.6 H1
2.9 2.2 5.6 3 H1
3.5 2.6 6.9 4.2 H2
3.9 2.8 7.5 4.4 H2
4.2 3.05 8.2 4.6 H2
4.8 3.55 9.5 5 H2
5.5 3.95 10.8 6.5 H3
6.3 4.55 12.5 7.1 H3
8 5.25 15.8 - -

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DIN 7982


*All measurements in millimeters (mm)*
d1 d2 max k max m approx. Cross Recess No.
2.2 4.3 1.3 2.5 H1
2.9 5.5 1.7 3 H1
3.5 6.8 2.1 4.2 H2
3.9 7.5 2.3 4.6 H2
4.2 8.1 2.5 4.7 H2
4.8 9.5 3 5.1 H2
5.5 10.8 3.4 6.8 H3
6.3 12.4 3.8 7.1 H3
8 15.8 4.65 -  -

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DIN 7983


*All measurements in millimeters (mm)*
d1 d2 max k max f approx. m approx. x.
2.2 4.3 1.3 0.7 2.8 H1
2.9 5.5 1.7 0.9 3.4 H1
3.5 6.8 2.1 1.2 4.6 H2
3.9 7.5 2.3 1.3 4.7 H2
4.2 8.1 2.5 1.4 4.7 H2
4.8 9.5 3 1.5 4.9 H2
5.5 10.8 3.4 1.7 5.4 H3
6.3 12.4 3.8 2. 7 H3
8 15.8 4.65 - -  -
*All information is strictly informative