
Steel – 8.8; 10.9 (galvanized zinc);
Stainless steel — A2-70; A2-80; A4-70; A4-80

| d | M3 | M4 | M5 | M6 | M8 | M10 | M12 | М16 | М20 | М24 | |
| P | 0,5 | 0,7 | 0,8 | 1 | 1,25 | 1,5 | 1,75 | 2 | 2,5 | 3 | |
| dk | 5.5 | 7 | 8.5 | 10 | 13 | 16 | 18 | 24 | 30 | 36 | |
| k | 2 | 2,5 | 3,5 | 4 | 5 | 6 | 7 | 9 | 11 | 13 | |
| s | 2 | 2,5 | 3 | 4 | 5 | 7 | 8 | 12 | 14 | 17 | |
| b | l ≤ 125 | 12 | 14 | 16 | 18 | 22 | 26 | 30 | 38 | 46 | 54 |
| l ≤ 200 | - | - | - | - | 28 | 32 | 36 | 44 | 52 | 60 | |
| l > 200 | - | - | - | - | - | - | - | 57 | 65 | 73 | |
Screws din 7984: guaranteed quality and affordable price
The DIN 7984 low cylindrical socket head screw is manufactured according to the German standard. Due to its design features, the metal product is installed using hand and/or power tools with appropriate shapes and sizes of nozzles. The performance characteristics and technical parameters of this fastener allow it to be used in all industrial and domestic areas.
Recommendations for working with hardware
Most screws with cylindrical heads belong to accuracy class A. Depending on the material from which the element is made and the presence of a protective coating, there are different requirements, mechanical properties, tolerances, and defects allowed by applicable standards.
During installation, this screw is used in conjunction with fixing washers/nuts that have a thread on the inside with the required pitch.
Many sources list a number of analogues for the din 7984 screw, but even with the correct model, the dimensions of the rod and/or head may not meet expectations.
This product has proven itself in the assembly of mechanisms exposed to aggressive environmental influences in the automotive industry, as well as in large-scale and local construction and repair work.
You can buy a screw with a low cylindrical head for an internal hexagon in any way convenient for you: after agreeing on the details of the order with the managers, the goods are delivered to you in Kyiv or through representative offices (pickup). In addition, you can order targeted delivery or the nearest branch of a transportation company.
Analogs of DIN 7984:
GOST 11738-84 – turnkey screws with a cylindrical head and hexagonal socket head, accuracy class A, with a thread diameter of 3 to 36 mm.
DIN 912 – socket head and cylindrical head screws, large and small metric threads, sizes from M1.6 to M64.
DIN 6912 – screws with a reduced height cylindrical head and an internal hexagonal socket head, partial thread from M4 to M36.
ISO 14580 – screws with a reduced height cylindrical head and an internal TORX slot, partial thread from M3 to M10.
Marking
d – nominal thread diameter
P – threading step
dk – the diameter of the cylindrical head of the screw
k – the height of the screw head
s – the size of the internal hexagon is key
b – screw thread length, max.
l – screw length
