GOST R ISO 1481-2013 Flat head screwsScrews GOST R ISO 1481-2013 strong> – this product has a flat head with a slot and a threaded rod, which independently cuts threads in the counterpart of the mount, they can connect several parts at once.
Description of the design of the product, its features
The screw design consists of a flat head with a slot and a threaded rod. The requirements for the accuracy class are imposed on the products.
The material of manufacture must have the accuracy class A
Steel grade / hardness class А2-20Н, А4-20Н, А5-20Н
To use screws in an aggressive environment, various types of coatings are used in accordance with:
GOST R ISO 4042-2009 Fasteners. Electrolytic coatings “
GOST R ISO 10683-2013 ” Fasteners. Non-electrolytic zinc-lamellar coatings “
GOST R ISO 3506-4-2009 ” Mechanical properties of fasteners made of corrosion-resistant stainless steel. Part 4. Self-tapping screws “
ISO 16048 Passivation of fasteners made of corrosion-resistant stainless steels
Self-tapping screws GOST R ISO 1481 – ST3,5 x 16 – St – R
Self-tapping screw GOST R ISO 1481 – ST3.5 x 16 – A4-20H-R
These screws are used in many industries. An increased demand for products, in particular, is observed in the aircraft and mechanical engineering industries, as well as in construction, energy and metalworking, where they are used for reliable fastening of parts and metal structures.
ANALOGUES p >
DIN 7513 B zinc plated self-tapping screw with cylindrical head
DIN 7513 F countersunk self-tapping screw
< strong> DIN 7513 Gself-tapping screw with half-countersunk head
DIN 7516 self-tapping screw with Phillips head