Galvanized steel
Stainless steel A2, A4
| d | ST2.2 | ST2.9 | ST3.5 | ST3.9 | ST4.2 | ST4.8 | ST5.5 | ST6.3 |
| dk DIN/ISO | 4.2/4.0 | 5.6 | 6.9/7.0 | 7.5 | 8.2/8.0 | 9.5 | 10.8/11.0 | 12.5/12.0 |
| k DIN/ISO | 1.8/1.6 | 2.2/2.4 | 2.6 | 2.8 | 3.05/3.1 | 3.5/3.7 | 3.95/4.0 | 4.55/4.6 |
| PH, PZ | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 |
| y форма С | 2 | 2.6 | 3.2 | 3.5 | 3.7 | 4.2 | 5 | 6 |
| y форма F | 1.6 | 2.1 | 2.5 | 2.7 | 2.8 | 3.2 | 3.6 | 3.6 |
The DIN 7981 semi-circular head cross slot screw is used for thin sheet metal.
This type of DIN 7981 screw is screwed into pre-drilled holes.
DIN7981 is made of galvanized steel as well as A2 and A4 stainless steel, which significantly improves resistance to tarnishing or corrosion.
When you contact the office of Eurobolt Ukraine, you will receive not only the product, but also professional advice on use, installation or application.
Analogs of DIN 7981:
ISO 7049 – self-tapping screws with a semicircular head and a cross slot.
GOST 10621-80 – self-tapping semi-circular head screws for metal and plastic of accuracy class B with a nominal thread diameter of 2.5 to 8 mm. Comparison of DIN 7981 and GOST 10621-80 standards.
GOST 11650-80 – self-tapping screws with a semicircular head and pointed end for metal and plastic of accuracy class B with a nominal thread diameter of 2.6 to 8 mm.
Marking
d – thread diameter
d k – diameter of the semicircular head
k – head height, max.
PH, PZ – the size of the cross bit
y – length of the tip