Construction fasteners: metal and polyamide

Krympress reports:

Construction and repair is impossible without reliable fasteners. It is it that provides the connection of structural elements, their stability, strength and safety in operation. Modern construction fasteners are an extensive category of products, including both metal and polyamide elements. The reliability of the entire structure depends on the choice of type and type. Particular attention is often paid to universal products, such as Bolt M10which are widely used due to a combination of size, strength and versatility.

Metal construction fasteners: strength and durability

Metal fasteners are made of steel (carbon, stainless), as well as brass and aluminum alloys. They are characterized by high strength, heat resistance and durability, therefore they are used in capital construction, installation of supporting structures, and equipment installation.

The main types of metal fasteners:

• Bolts and nuts are classic elements of compounds. They are used in pairs, provide reliable and collapsible fixation. Bolts are of different diameters, for example, M10 (10 mm thread), which are ideal for medium and high load structures.
• Scuropes — are used to connect metal, wooden and plastic elements. Equipped with acute thread and can be screwed without preliminary drilling.
• Self -tapping screws are convenient in the assembly of light structures. Often used for installation of drywall, casing, roofing.
• Anchor bolts are indispensable when attaching to concrete or brick. They differ in type (wedge, chemical, spacer) and selected depending on the loads.
• Studs threads — are used for through fasteners or in ventilation and heating systems.
• Grover washers and washers are flat — distribute the load and prevent the weakening of the connection.

Metal fasteners are especially relevant in industrial, civil and road construction, where bearing capacity is important.

Polyamide fasteners: lightness and resistance to environmental aggression

Polyamide is a type of technical plastic with high strength, heat resistance, resistance to chemicals and moisture. Polyamide products are not subject to corrosion, do not conduct electricity and weigh much less metal analogues.

Advantages of polyamide fasteners:

• resistance to ultraviolet, acids and alkalis;
• electrical insulating properties;
• low weight;
• durability in high humidity conditions;
• Safety during installation in residential and medical institutions.

Types of polyamide fasteners:

• dowels and wedges — are used for fastening in concrete, brick and drywall;
• Washers, bushings, nuts — including in electrical installations and medical equipment;
• cable screeds and clamps — for organizing electrical wiring;
• Universal mounting sets — in the furniture industry and assembly of interior structures.

Polyamide fasteners are used in conditions where chemical resistance, minimum weight, as well as the absence of metal (for example, in electronics, medical installations, aggressive media) are important.

Where construction fasteners are used

The variety of fasteners is explained by the breadth of the areas of application:

• construction of buildings and structures — fastening of beams, frames, ceilings;
• Installation of roofing and facade systems — self -tapping screws and anchor bolts are especially relevant;
• Electrical work — here the polyamide is indispensable;
• Installation of equipment and equipment — requires an accurate calculation of strength, often used M10 bolts;
• Furniture industry — light polyamide fasteners is suitable for hidden compounds;
• Assembly of heating, ventilation and air conditioning systems (OVK) — studs, nuts, anchors are used;
• Landscaping and small architectural forms — requires both anti -corrosion resistance and aesthetics.

How to choose fasteners for a specific task

When choosing mounting elements, it is important to consider several factors:

Type of base material

• For concrete and brick, metal anchors, bolts, dowels with a spacer mechanism are suitable;
• For wood — screws, self -tapping screws;
• For drywall — special dowels «Butterfly» or Molly;
• For plastic, soft materials — it is advisable to use polyamide dowels and screws.

The load on the connection

• At high loads — only metal fasteners (for example, M10 bolts, anchor studs);
• With light or decorative mounts — polyamide options are suitable.

terms of Use

• In a humid environment — it is preferable to use stainless steel or polyamide;
• When exposed to chemicals — polyamide or special coatings;
• In the open air — galvanized or anti -corrosion elements.

The need to dismantle

• Bolt connection (for example, with M10 bolts) is convenient if re -installation is necessary;
• Self -tapping and dowels provide quick installation, but not always suitable for reuse.

Aesthetics and visibility

• For decorative solutions — closed polyamide plugs, white or transparent mounts are used;
• In engineering systems — it is important to comply with the standard and color coding.

Tips for working with fasteners

• Before installation, always check the compatibility of fasteners and material;

• Do not forget about the washers — they increase the area of ​​the support and prevent the failure of the head;

• Use a quality tool (keys, screwdrivers, drills with a restriction of torque);

• For installation in concrete and brick, it is important to pre -drill the hole of the corresponding diameter;

• When working with polyamide, avoid overheating — too high temperature can damage the structure of the material.

Experts emphasize: high -quality construction fasteners are not just a trifle, but a guarantee of reliability of the entire structure. The difference between metal and polyamide fasteners lies in their properties, strength, purpose and resistance to external influences. The right choice is a combination of the characteristics of the material, operating conditions and load requirements. Universal elements, such as M10 bolts, remain in demand and are used in almost all areas of construction. And the combined use of metal and polyamide fasteners allows us to ensure the reliability, lightness and durability of structures in a wide variety of projects — from the repair of the apartment to the construction of multi -storey buildings.

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