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Fasteners are a type of mechanical parts used to connect and fix two or more objects, which are widely used in many industries such as machinery manufacturing, construction, electronics, automotive, aviation and so on. Fasteners typically have high strength, durability, and reliability, and are designed to be easy to assemble and disassemble. Fasteners mainly include bolts, screws, nuts, washers, pins, rivets, retainers, expansion bolts and so on. Available in metal and plastic.
Introduction: PEEK (polyether ether ketone) fastener is a special fastener made of high-performance engineering plastic PEEK. Because of its excellent physical and chemical properties, it has been widely used in many demanding industrial and technological fields.
Advantage:
Corrosion resistance: It can be used in harsh environments such as strong acid and alkali to avoid metal corrosion problems.
Lightweight: Density is about 1.3g /cm³, which is only about 1/6 of the weight of stainless steel.
Excellent electrical performance: high insulation performance, can be used in high frequency, high voltage environment.
Non-magnetic: suitable for non-magnetic equipment and occasions.
High temperature resistance: Maintains mechanical strength and dimensional stability at high temperatures.
Environmental protection: can be recycled, in line with environmental requirements.
The types of PEEK fasteners mainly include:
Bolts: hexagon head, hex head, cross head and other head types.
Nuts: hexagon nuts, flange nuts, self-locking nuts, etc.
Washer: flat washer, spring washer, etc.
Screws: countersunk screws, pan head screws, etc.
Other custom parts: such as studs, pins, support parts, etc.
Introduction: PVDF fastener is a fastener made of Polyvinylidene Fluoride (PVDF), because of its excellent chemical properties, mechanical properties and weather resistance, widely used in the need of corrosion resistance, high temperature resistance and electrical insulation characteristics of the environment.
Advantage:
High strength-to-weight ratio.
Excellent resistance to chemical corrosion.
Good heat resistance and long-term stability.
Meet environmental protection and food safety requirements.
The types of PVDF fasteners mainly include:
Bolts: hexagon head, hex head, cross head and other head types.
Nuts: hexagon nuts, flange nuts, self-locking nuts, etc.
Washer: flat washer, spring washer, etc.
Screws: countersunk screws, pan head screws, etc.
Other custom parts: such as studs, pins, support parts, etc.
Introduction: Teflon fasteners usually refer to bolts, nuts, washers and other fasteners made of Teflon coating or materials. Teflon is a chemical material made from polytetrafluoroethylene (PTFE) known for its excellent chemical resistance, high temperature resistance and low friction properties.
Advantage:
Chemical resistance: Teflon coatings are resistant to most chemicals, including acids, bases and organic solvents, making them ideal for use in chemical equipment and harsh environments.
High temperature resistance: Teflon’s wide operating temperature range (usually -200°C to 260°C) allows fasteners to work stably in both high and low temperature conditions.
Low friction: The smooth surface and extremely low coefficient of friction of Teflon help reduce the wear and tear of fasteners during installation or removal and increase their service life.
Anti-adhesive properties: Teflon surfaces do not adhere easily to impurities, dirt or other materials, making them ideal for applications where cleanliness is required.
Corrosion prevention: Coating Teflon on the surface of metal fasteners can effectively prevent rust and environmental corrosion.
The types of Teflon fasteners mainly include:
Bolts: hexagon head, hex head, cross head and other head types.
Nuts: hexagon nuts, flange nuts, self-locking nuts, etc.
Washer: flat washer, spring washer, etc.
Screws: countersunk screws, pan head screws, etc.
Other custom parts: such as studs, pins, support parts, etc.
Introduction: PPS (Polyphenylene Sulfide) fasteners are a class of fasteners made of high-performance engineering plastic PPS material. They are widely used in situations requiring high strength, chemical corrosion resistance and high temperature performance.
Advantage:
Screws: PPS screws are used where corrosion resistance, insulation or high temperature applications are required, and specifications include countersunk screws, pan screws, etc.
Nuts: PPS nuts are suitable for chemical equipment or electronic equipment, common hexagonal nuts, flange nuts, etc.
Gaskets: Used to seal and cushion connectors, suitable for high temperatures or harsh chemical environments.
Other customized parts: including pins, positioning rings, etc., according to specific needs of processing and customization.
The types of PPS fasteners mainly include:
Bolts: hexagon head, hex head, cross head and other head types.
Nuts: hexagon nuts, flange nuts, self-locking nuts, etc.
Washer: flat washer, spring washer, etc.
Screws: countersunk screws, pan head screws, etc.
Other custom parts: such as studs, pins, support parts, etc.
Introduction: PA66 (polyamide 66, Nylon 66) is a kind of engineering plastic widely used in industry, and its excellent properties make it a common material for manufacturing fasteners.
Advantage:
Lightweight: Low density, only 1/7 to 1/5 of metal materials, suitable for application scenarios that need to reduce weight.
Excellent electrical insulation Lightweight: suitable for use as an insulating component in electronic and electrical equipment.
Corrosion and rust resistant lightweight: especially suitable for humid, chemical or outdoor environments.
Low cost and lightweight: Compared to stainless steel or special alloy materials, PA66 fasteners are cheaper to manufacture.
The types of PA66 fasteners mainly include:
Bolts: hexagon head, hex head, cross head and other head types.
Nuts: hexagon nuts, flange nuts, self-locking nuts, etc.
Washer: flat washer, spring washer, etc.
Screws: countersunk screws, pan head screws, etc.
Other custom parts: such as studs, pins, support parts, etc.
Introduction: PP fasteners usually refer to fasteners made of Polypropylene (PP) material. Because of their material properties, this type of fastener is widely used in scenarios that require lightweight, chemical resistance, insulation or water resistance.
Advantage:
Lightweight: Low density, only 1/7 to 1/5 of metal materials, suitable for application scenarios that need to reduce weight.
Excellent electrical insulation Lightweight: suitable for use as an insulating component in electronic and electrical equipment.
Corrosion and rust resistant lightweight: especially suitable for humid, chemical or outdoor environments.
Low cost and lightweight: Compared to stainless steel or special alloy materials, PA66 fasteners are cheaper to manufacture.
The types of PP fasteners mainly include:
Screws: Used to connect lightweight structural parts or plastic parts.
Nuts: Used with screws or bolts to provide stable fastening performance.
Washers: Used to disperse pressure and protect the material to be connected.
Rivets: Suitable for permanent connection, commonly found in plastic products.
Clip/buckle: It is used to fix the plastic shell of electronic equipment and home appliances.
Introduction: The outer hexagonal screw is a common fastener, named for its hexagonal head shape. This kind of screw is widely used in machinery, construction, electronic equipment and other fields, because of its simple design, easy to use, with excellent fastening effect.
Advantage:
Easy installation: hexagonal head design is easy to apply force.
High strength: suitable for large loads.
Strong versatility: suitable for a variety of occasions, can meet most of the mechanical connection needs.
The types of outer hexagonal screw mainly include:
Full hex screw: The screw part is threaded all the way, suitable for thin sheets or applications requiring full tightening.
Semi-threaded hex screw: part of the screw without thread, suitable for the need to withstand shear force occasions.
High-strength hexagonal screws: for high-load environments, such as steel structure connections.
Fine tooth hex screw: thread is more dense, suitable for large vibration occasions.
Introduction: Hexagon Socket Screw (Hexagon Socket Screw) is a common mechanical fastener, named for its unique design with a hexagonal hole in the head. This screw is widely used in mechanical equipment, electronic products, building structures and other occasions that require a strong connection.
Advantage:
Strong fastening force: Hexagonal bore provides greater contact area and reduces the risk of thread slip.
Space saving: Small head size, suitable for use in small Spaces.
Easy installation: The use of hex wrench is simple to operate, and not easy to slip.
Aesthetics: The appearance is simple, and the function and beauty are taken into account in many scenes.
Material:
Carbon steel: Common material, low price, the surface is usually galvanized to prevent corrosion.
Stainless steel: strong corrosion resistance, often used in outdoor equipment or high humidity environment.
Alloy steel: high strength and hardness, suitable for high-strength mechanical connections.
Titanium alloy: light weight, high strength, mainly used in aerospace and high-end equipment.
Introduction: Grub screw is a special purpose fastener, usually used for the fixing and connection of machinery or equipment, with headless design and unique structural characteristics. Its main use is to fix the parts to the shaft to prevent the parts from sliding or rotating relative.
Advantage:
Strong fastening force: Hexagonal bore provides greater contact area and reduces the risk of thread slip.
Space saving: Small head size, suitable for use in small Spaces.
Easy installation: The use of hex wrench is simple to operate, and not easy to slip.
Aesthetics: The appearance is simple, and the function and beauty are taken into account in many scenes.
Headless design: Mi screws usually do not have a protruding nut part, and the screw ends may be hexagonal, outer hexagonal, flat head or pointed head.
End shape: Depending on the use, there are a variety of end designs:
Flat end: suitable for general fixation.
Tip: Can be embedded in the shaft surface to provide greater resistance to slip.
Round end: Suitable for applications requiring less surface damage.
Cup end: The end is concave shape, used to improve friction and fixed strength.
Introduction: Outer hexagon nut (outer hexagon screw), is a common fastener, widely used in machinery, construction, automotive and other industries. Its shape is hexagonal, hence the name “outer hexagonal” nut.
Material:
Carbon steel: often used for ordinary fastening occasions, with good strength.
Stainless steel: has good corrosion resistance, suitable for harsh environments.
Alloy steel: Used for connecting parts with high strength requirements.
Copper, aluminum, etc. : There are also outer hexagon nuts for special applications.
The types of outer hexagon nut mainly include:
Standard outer hexagon nut: the most common outer hexagon nut, widely used in general machinery, automotive, construction and other industries.
Hex nuts with lock (such as nylon lock nuts) : The inside of the nut will have a nylon ring or other material design to prevent the nut from loosening.
Thick outer hexagon nut: thicker than the standard outer hexagon nut, suitable for bearing large loads.
Thin outer hexagon nut: thinner than standard outer hexagon nut, suitable for space restricted places.
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