DIN 7991 10,9 zinc plated black countersunk head Bolt and hexagon socket

Overview

DIN 7991 countersunk head bolt with internal hexagon 10.9 zinc plated black is a high-quality fastener that provides a secure hold without protrusions above the surface. Its flat shape and black zinc coating give it an aesthetic appearance, making it ideal for use in furniture design, mechanical engineering and metal construction. Strength class 10.9 guarantees high load resistance, and the internal hexagon drive ensures ease of installation even in confined spaces.

Coating: zinc plated black.

Main characteristics of this coating:

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

Areas of application

DIN 7991 countersunk head bolts with internal hexagon are the ideal solution for applications where aesthetic appearance and safe installation are important. These bolts are widely used in the furniture industry, mechanical engineering, automotive and instrument making, where protruding elements must be avoided. The model with a strength class of 10.9 provides high reliability and load resistance. Due to their design, they are ideal for installation in confined spaces where safety and aesthetic requirements are important.

Technical specifications

Technical characteristics of the DIN 7991 10.9 zinc plated black bolt with countersunk head and internal hexagon

Questions and answers

Is it profitable to buy

Buying DIN 7991 countersunk head bolts with internal hexagon is an ideal choice for those looking for high quality and aesthetic appearance in their connections. These bolts provide a perfect fixation without protrusions, which is especially important in conditions where aesthetics and functionality are important. In our assortment you will find bolts of strength class 10.9, coated with zinc, which gives them additional corrosion resistance. Strength and affordability are what make our bolts indispensable for professionals and amateurs.

Where it is used

The DIN 7991 countersunk head bolt with internal hexagon and strength class 10.9, zinc-plated in black finish, is the ideal solution for applications where aesthetics and functionality are important. This type of bolt provides a flat surface without protrusions, making it ideal for use in the automotive industry, electronics, furniture construction and other areas where safety and ease of use are important.

The bolt head is recessed into the part, which minimizes the risk of accidental catching and damage. It is ideal for fastening elements in confined spaces, such as housings, panels and metal structures. Thanks to the high strength class 10.9, this bolt can withstand significant loads, making it suitable for use in dynamic load conditions.

The zinc-plated steel guarantees additional corrosion protection, and the black finish provides an aesthetic appearance. Thus, DIN 7991 bolts combine high strength, reliability and modern design.