GOST 28964-91 is a set screw, a metal fastener that looks like a rod with a full thread. The main difference between a set screw and other types is the absence of a head or cap. At its ends, there are special protrusions or recesses - splines - that strengthen the connection and fixation of parts.
Fastening group of GOST 28964-91
Depending on the material of manufacture, GOST 28964-91 is divided into groups:
- High-strength fasteners, screws made of high-strength steel.
- Stainless fasteners, screws are made of stainless steel
Materials for manufacturing screws in accordance with GOST 28964-91
Set screws in accordance with GOST 28964-91 are made of various materials:
- Steel, which can be additionally coated with zinc
- Stainless steel of steel grades A2 and A4
Scope of application of screws of GOST 28964-91
Steel set screw with socket (gouge, threaded pin) Used for fixing two or more coaxial parts with a thread.