DIN 7984 8.8 zinc placket black Bolt with cylindrical head and internal hexagon

Assortment

Technical characteristics

DIN 7984 8.8 zinc placket black Bolt with cylindrical head and internal hexagon
DIN 7984 8.8 zinc placket black Bolt with cylindrical head and internal hexagon креслення

A cylindrical head bolt is a fastener consisting of a metal stud with an incomplete metric thread and a cylindrical head with an INBUS (hexagonal) slot.

The DIN 7984 bolt is used for connecting and fastening parts and structures in construction and mechanical engineering.

The material of manufacture is high-strength structural alloy steel. The high strength class 8.8 allows the bolts to be used in highly loaded connections.

Coating: black zinc plating.

Main characteristics of this coating:

  • Organic black topcoat;
  • Excellent corrosion protection;
  • High hiding power on silver and black base coatings;
  • Attractive uniform black appearance;
  • Very good chemical resistance; increased UV resistance;
  • Excellent adhesion, i.e. the coating does not peel, crack or flake even under mechanical stress or chemical attack;
  • Built-in lubricant component for controlled friction characteristics;
  • No hydrogen embrittlement;
  • Excellent corrosion resistance in NSST and cyclic corrosion tests.

Analogues of GOST 11738-84

DIN 7984 8.8 zinc placket black Bolt with cylindrical head and internal hexagon
DIN 7984 8.8 zinc placket black Bolt with cylindrical head and internal hexagon креслення
DIN 7984 8.8 zinc placket black Bolt with cylindrical head and internal hexagon pdf Download the drawing PDF

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Specifications

Fastening groupHigh-strength fastening
StandardDIN 7984
MaterialStal
Strength class8.8
CoatingFlake black zink
Diameter, mm568
Length, mm1016
Packaging, pcs.200500
HeadCylindrical low
Type of carvingFull
SlotHexagonal (INBUS)
Thread typeMetric
Threading step, mm0.811.25
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