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75 Posts in this encyclopedia category

Deburrer

A deburrer is a tool used to remove burrs and sharp edges from workpieces created during cutting, drilling, or punching. This not only improves the aesthetics and safety of the workpiece but also prevents injuries and facilitates further processing.

Delamination

Delamination refers to the process whereby a coating—such as paint, varnish, wallpaper, or another surface treatment—separates from the underlying layer. This phenomenon can occur for various reasons and often leads to both aesthetic and functional impairments of the affected surfaces. Delamination is a common issue in construction and renovation projects and requires careful analysis and treatment to achieve a lasting solution.

Delta sander

Delta sanders are compact power tools specifically designed for sanding corners, edges, and hard-to-reach areas. Thanks to their triangular sanding pad, they are ideal for precise sanding tasks and are commonly used in renovation, furniture making, and woodworking.

demolition hammer

A demolition hammer is a powerful tool mainly used in the construction industry to break up or demolish concrete, asphalt, masonry and other hard materials. These devices are known for their high impact force and efficiency, making them ideal for heavy demolition work and renovations.

deposit

Deposits form when solid substances from liquids or gases remain on surfaces. These deposits can occur in various contexts, such as in water pipes, on machine surfaces, in heating systems or in nature where sediments settle. Deposits can reduce the efficiency of equipment, promote corrosion and lead to malfunctions, which is why it is important to monitor and remove them regularly.

Depósitos de cal

Los depósitos de cal, también conocidos como sarro o piedra caliza, se forman por la precipitación de carbonato de calcio y magnesio presentes en el agua dura. Estas incrustaciones pueden aparecer en electrodomésticos, tuberías, sistemas de calefacción y superficies que están en contacto frecuente con el agua. Los depósitos de cal no solo reducen la eficiencia de los aparatos, sino que también pueden acortar su vida útil y ocasionar costosas reparaciones.

Diamond tools

Diamond tools are specialized instruments that use diamonds as cutting or grinding agents. Due to the hardness of diamonds, these tools are excellent for processing hard materials like concrete, stone, glass, and ceramics. They offer high precision and durability, making them indispensable in many industrial and craft applications.

Diffusion-tight

The term "diffusion‑tight" refers to materials or coatings that nearly completely prevent the passage of gases and moisture. Such materials are indispensable in many applications—construction, packaging, and electronics—because they protect sensitive components and structures from the harmful effects of moisture and gas infiltration.

DIN 11024

DIN 11024 is a standard from the German Institute for Standardization (DIN) for cotter pins, also known as safety pins or hairpin cotters. This standard defines the dimensions, tolerances, and mechanical properties of cotter pins used to secure bolts and studs in various mechanical and structural applications. Cotter pins according to DIN 11024 are available in various sizes and materials to meet different requirements.

DIN 125

DIN 125 is a standard from the German Institute for Standardization (DIN) for flat washers. This standard defines the dimensions, materials, and technical requirements for flat washers used in a wide range of mechanical and structural applications. Washers according to DIN 125 are available in various sizes and materials to meet different requirements.

DIN 127

DIN 127 is a standard from the German Institute for Standardization (DIN) for spring washers. This standard defines the dimensions, tolerances, and mechanical properties of spring washers used to secure bolted connections. Spring washers according to DIN 127 are available in various sizes and materials to meet different requirements.

DIN 13155

DIN 13155 is a standard from the German Institute for Standardization (DIN) for first aid kits. This standard specifies the requirements for the contents and condition of first aid kits that must be provided in various work environments and public facilities. First aid kits according to DIN 13155 are designed to ensure fast and effective initial treatment for injuries and accidents.

DIN 137

DIN 137 is a standard from the German Institute for Standardization (DIN) for spring washers, also known as locking washers. This standard defines the dimensions, tolerances, and mechanical properties of spring washers used to secure bolted connections. Spring washers according to DIN 137 are available in various sizes and materials to meet different requirements.

DIN 14640

DIN 14640 is a standard that specifies requirements and specifications for the mounting of spotlights in firefighting applications. It defines the dimensions and properties of the mounting bore, mounting pin, and joint piece. This standard ensures uniform and safe attachment of spotlights to firefighting vehicles and equipment, which is crucial for optimal function and safety during operations.

DIN 14800

DIN 14800 is a standard from the German Institute for Standardization (DIN) for firefighting equipment, specifically for hose reels and their accessories. This standard defines the dimensions, tolerances, and mechanical properties of reels used in fire trucks and fixed installations to store fire hoses and other equipment neatly and ready for use. Reels according to DIN 14800 are available in various designs to meet different requirements.

DIN 1481

DIN 1481 is a standard by the German Institute for Standardization (DIN) for slotted spring pins, also known as spring tension pins or roll pins. This standard defines the dimensions, tolerances, and mechanical properties of spring pins used for securing and positioning components in various mechanical and structural applications. DIN 1481 pins are available in different sizes and materials to meet a wide range of requirements.

DIN 14820

DIN 14820-1 is a standard concerning wooden hose bridges for fire hoses. It defines the dimensions, designations, and requirements of such hose bridges, which allow fire hoses to be safely crossed on roads and traffic routes.

DIN 14922

DIN 14922 specifies requirements for multipurpose bags used by firefighters. These bags are designed for the safe transport of fire service ropes or operational tools. The standard ensures the bag does not restrict the wearer’s freedom of movement or diminish the protective function of their personal protective equipment (PPE).

DIN 14924

DIN 14924 defines the requirements for firefighter axes with protective sheaths. This standard ensures that firefighter axes, which are part of personal protective equipment (PPE), meet specific quality and safety standards.

DIN 1587

DIN 1587 is a standard from the German Institute for Standardization (DIN) for cap nuts (also known as dome nuts). This standard defines the dimensions, tolerances, and mechanical properties of cap nuts, used in a wide range of mechanical and structural applications. DIN 1587 cap nuts are available in various sizes and materials to meet different requirements.

DIN 1869

DIN 1869 specifies the requirements for extra-long twist drills with cylindrical shanks. This standard ensures that the twist drills meet certain quality and safety standards and are suitable for metalworking.

DIN 20127

DIN 20127 specifies the requirements for non-powered hand tools for soil cultivation, especially spades. This standard ensures that spades for gardening meet certain quality and safety standards.

DIN 334

DIN 334 specifies the requirements for countersinks with a 60° angle. This standard ensures that countersinks meet specific quality and safety standards and are suitable for precise countersinking.

DIN 335

DIN 335 specifies the dimensions for 90° countersinks made from high-speed steel. This standard covers sizes for shapes A and B (mainly used for deburring) as well as shapes C and D (for countersinking).

DIN 338

DIN 338 specifies the requirements for short twist drills with cylindrical shanks. This standard ensures that twist drills meet certain quality and safety standards and are suitable for metalworking.

DIN 471

DIN 471 is a standard from the German Institute for Standardization (DIN) for retaining rings for shafts (circlips). This standard defines the dimensions, tolerances, and mechanical properties of retaining rings that are mounted on shafts to prevent axial movement of components. DIN 471 retaining rings are available in various sizes and materials to meet diverse requirements.

DIN 472

DIN 472 is a standard from the German Institute for Standardization (DIN) for retaining rings for bores (also known as internal circlips). This standard defines the dimensions, tolerances, and mechanical properties of retaining rings inserted into bores to prevent axial movement of components. DIN 472 retaining rings are available in various sizes and materials to meet different requirements.

DIN 5117

DIN 5117 describes the requirements for clamps. This standard ensures that clamps meet specific quality and safety standards and are suitable for workpiece clamping.

DIN 5134

DIN 5134-1 describes the technical delivery conditions for band saw blades used in woodworking. This standard ensures that band saw blades meet specific quality and safety standards.

DIN 5138

DIN 5138 specifies the requirements for chisel handles. This standard ensures that chisel handles meet certain quality and safety standards to guarantee their use in various crafts.

DIN 5139

DIN 5139 describes the requirements for mortise chisels. This standard ensures that mortise chisels meet certain quality and safety standards and are suitable for precise craft work.

DIN 5142

DIN 5142 describes the requirements for gouge chisels. This standard ensures that gouge chisels meet certain quality and safety standards and are suitable for precise woodworking tasks.

DIN 5143

DIN 5143 defines the requirements for mortise chisels. This standard ensures that mortise chisels meet specific quality and safety standards and are suitable for precise woodworking tasks.

DIN 5144

DIN 5144 defines the requirements for gouges with wooden handles. This standard ensures that gouges meet specific quality and safety standards and are suitable for precise woodworking applications.

DIN 5200

DIN 5200 defines the requirements for offset screwdrivers for slotted screws. This standard ensures that screwdrivers meet certain quality and safety standards and are suitable for mounting screws and nuts.

DIN 5208

DIN 5208 specifies the requirements for offset screwdrivers for cross-recessed screws. This standard ensures that these screwdrivers meet specific quality and safety standards and are suitable for precise assembly work.

DIN 5234

DIN 5234 specifies the requirements for Swedish-pattern pipe wrenches. This standard ensures that pipe wrenches meet specific quality and safety standards and are suitable for precise pipe-connection work.

DIN 571

DIN 571 is a standard from the German Institute for Standardization (DIN) for hex-head wood screws, also known as lag screws or timber construction screws. It defines the dimensions, tolerances, and mechanical properties of wood screws used in various wood connections. Hex-head wood screws according to DIN 571 are available in various sizes and materials to meet different requirements.

DIN 603

DIN 603 is a standard from the German Institute for Standardization (DIN) for flat round-head bolts with square neck. It defines the dimensions, tolerances, and mechanical properties of round-head bolts used in various mechanical and structural applications. Flat round-head bolts according to DIN 603 are available in a range of sizes and materials to meet different requirements.

DIN 6440

DIN 6440 specifies the requirements for bricklayer’s trowels. This standard ensures that bricklayer’s trowels meet certain quality and safety standards and are suitable for precise masonry work.

DIN 6442

DIN 6442 specifies the requirements for twist-mortising bits. This standard ensures that these drill bits meet defined quality and safety standards and are suitable for precise woodworking tasks.

DIN 6451

DIN 6451 defines the requirements for cross-cut chisels. This standard ensures that cross chisels meet specific quality and safety standards and are suitable for precise craftsmanship tasks.

DIN 6453

DIN 6453 specifies the requirements for flat chisels. This standard ensures that flat chisels meet quality and safety standards and are suitable for precise manual work.

DIN 6455

DIN 6455 defines the requirements for slot chisels. This standard ensures that slot chisels meet specific quality and safety standards and are suitable for precise craftsmanship.

DIN 6461

DIN 6461 defines the requirements for short mortising bits. This standard ensures that such mortising bits meet defined quality and safety standards and are suitable for precise woodworking tasks.

DIN 6475

DIN 6475 defines the requirements for club hammers. This standard ensures that club hammers meet specific quality and safety standards and are suitable for precise manual work.

DIN 6798

DIN 6798 is a standard from the German Institute for Standardization (DIN) for serrated lock washers. It defines the dimensions, tolerances, and mechanical properties of lock washers used to secure bolted connections. Washers per DIN 6798 are available in various sizes and materials to meet different requirements.

DIN 7216

DIN 7216 specifies the requirements for painter’s spatulas. This standard ensures that painter’s spatulas meet certain quality and safety standards and are suitable for precise painting work.

DIN 7254

DIN 7254 specifies the requirements for mason chisels. This standard ensures that mason chisels meet certain quality and safety standards and are suitable for precise masonry work.

DIN 7985

DIN 7985 is a standard of the German Institute for Standardization (DIN) for cylindrical screws with a cross recess. This standard defines the dimensions, tolerances, and mechanical properties of cylindrical screws used for general fastening purposes in various industrial and commercial applications. Cylindrical screws according to DIN 7985 are available in different sizes and materials to meet diverse requirements.

DIN 9021

DIN 9021 is a standard from the German Institute for Standardization (DIN) for large washers. This standard defines the dimensions, tolerances, and mechanical properties of washers used to increase the bearing surface area of bolts and nuts. Washers according to DIN 9021 are available in various sizes and materials to meet different requirements.

DIN 912

DIN 912 is a standard from the German Institute for Standardization (DIN) for cylindrical screws with an internal hexagon socket. This standard defines the dimensions, tolerances, and mechanical properties of cylindrical screws used for a wide range of mechanical and structural applications. Cylindrical screws according to DIN 912 are available in various sizes and materials to meet different requirements.

DIN 913

DIN 913 is a standard from the German Institute for Standardization (DIN) for threaded pins with internal hexagon and conical tip. This standard defines the dimensions, tolerances, and mechanical properties of threaded pins used to secure components in bores or on shafts. Threaded pins according to DIN 913 are available in various sizes and materials to meet different requirements.

DIN 914

DIN 914 is a standard from the German Institute for Standardization (DIN) for threaded pins with internal hexagon and point. This standard defines the dimensions, tolerances, and mechanical properties of threaded pins used to secure components in bores or on shafts. Threaded pins according to DIN 914 are available in various sizes and materials to meet different requirements.

DIN 915

DIN 915 is a standard from the German Institute for Standardization (DIN) for threaded pins with internal hexagon and shoulder. This standard defines the dimensions, tolerances, and mechanical properties of threaded pins used to secure components in bores or on shafts. Threaded pins according to DIN 915 are available in various sizes and materials to meet different requirements.

DIN 931

DIN 931 is a standard from the German Institute for Standardization (DIN) for hexagon bolts with a shank and partial thread. This standard defines the dimensions, tolerances, and mechanical properties of hexagon bolts used in a wide range of mechanical and structural applications. Hexagon bolts according to DIN 931 are available in various sizes and materials to meet different requirements.

DIN 933

DIN 933 is a standard from the German Institute for Standardization (DIN) for hexagon bolts with full thread. This standard defines the dimensions, tolerances, and mechanical properties of hexagon bolts used for general fastening purposes in various industrial and commercial applications. Hexagon bolts according to DIN 933 are available in various sizes and materials to meet different requirements.

DIN 934

DIN 934 is a standard from the German Institute for Standardization (DIN) for hexagon nuts. This standard defines the dimensions, tolerances, and mechanical properties of hexagon nuts used in a wide range of mechanical and structural applications. Hexagon nuts according to DIN 934 are available in various sizes and materials to meet different requirements.

DIN 94

DIN 94 is a standard by the German Institute for Standardization (DIN) for split pins, also known as cotter pins. This standard defines the dimensions, tolerances, and mechanical properties of split pins used for securing nuts and bolts in various mechanical and structural applications. Split pins according to DIN 94 are available in different sizes and materials to meet varying requirements.

DIN 965

DIN 965 is a standard from the German Institute for Standardization (DIN) for countersunk screws with a cross recess. This standard defines the dimensions, tolerances, and mechanical properties of countersunk screws featuring a 90° countersunk head and a Phillips cross-drive. Countersunk screws according to DIN 965 are available in various sizes and materials to suit different requirements.

DIN 966

DIN 966 is a standard from the German Institute for Standardization (DIN) for countersunk lens-head screws with a cross recess. This standard defines the dimensions, tolerances, and mechanical properties of screws with a 90° countersunk lens head and a Phillips cross-drive. Screws according to DIN 966 are available in various sizes and materials to meet different requirements.

DIN 985

DIN 985 is a standard from the German Institute for Standardization (DIN) for self-locking hexagon nuts with a polyamide locking insert (also known as Nyloc nuts). This standard defines the dimensions, tolerances, and mechanical properties of these nuts, which are used in various mechanical and structural applications to prevent fastener loosening due to vibration.

DIN EN IEC standards

DIN EN IEC standards are international standards developed by the German Institute for Standardization (DIN) in cooperation with the European Committee for Standardization (CEN) and the International Electrotechnical Commission (IEC). These standards aim to promote uniform technical standards for electrical and electronic products worldwide.

DIN EN ISO Standard

DIN EN ISO standards are international standards developed by the German Institute for Standardization (DIN) in cooperation with the European Committee for Standardization (CEN) and the International Organization for Standardization (ISO). These standards aim to promote uniform technical standards worldwide by combining European and international requirements.

DIN EN ISP Standards

DIN EN ISP standards are international standards developed by the German Institute for Standardization (DIN) in cooperation with the European Committee for Standardization (CEN) and the International Organization for Standardization (ISO). These standards aim to promote uniform technical standards across various industrial sectors worldwide.

DIN EN Standard

The DIN EN Standard is a European standard developed by the German Institute for Standardization (DIN) in cooperation with European standardization organizations such as CEN (European Committee for Standardization) and CENELEC (European Committee for Electrotechnical Standardization). These standards are uniform across all member countries of the European Union and the European Economic Area.

DIN ETS Standard

DIN ETS standards are European telecommunications standards developed by the German Institute for Standardization (DIN) in cooperation with the European Telecommunications Standards Institute (ETSI). These standards aim to promote uniform technical standards for telecommunications products and services across Europe.

DIN VDE Standard

DIN VDE standards are technical standards developed by the German Institute for Standardization (DIN) in collaboration with the Association for Electrical, Electronic & Information Technologies (VDE). These standards aim to ensure the safety, reliability, and efficiency of electrical and electronic products as well as installations.

Double Nipple

A double nipple, also known as a pipe double nipple or simply nipple, is a short pipe section with external threads on both ends used to connect two pipes or fittings. These connectors are indispensable in plumbing, heating and air conditioning technology, as well as in industrial piping, as they allow for a simple and secure connection.

Double-Ended Wrench

A double-ended wrench, also called a double open-end wrench, is a handy and versatile tool indispensable in many workshops and households. It is a spanner with two different jaw sizes at each end, allowing for flexible and practical use.

drain blockage

A drain blockage is a common problem in households and can occur in kitchens, bathrooms or toilets. It happens when materials such as hair, soap residues, food scraps or grease accumulate in the drain pipes and obstruct the water flow. This leads to slow drainage, unpleasant odors and, in the worst case, backups that can cause significant damage.

Drill

A drill is a power tool used to bore holes in various materials such as wood, metal, plastic, and masonry. It is an essential tool for DIY enthusiasts and professionals and is used in many construction and repair tasks.

Drill Bit Breakage

Drill bit breakage refers to the fracturing of a drill bit during the drilling process. This can be caused by excessive force, incorrect handling or material fatigue. Drill bit breakage is not only inconvenient but can also result in injuries and damage to workpieces.

Drilling

Drilling is a machining process in which a rotating tool, the drill bit, is used to create cylindrical holes in various materials such as metal, wood, plastic or concrete. This method is widely used in the manufacturing industry and plays a central role in the production and processing of components.

DVGW Approval

The DVGW approval, issued by the German Association for Gas and Water (DVGW), is a certification that attests compliance with high quality and safety standards for products and services in the gas and water installation sector. This approval is an important indicator of safety, reliability, and performance for installation components and systems.

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