A hinge is a mechanical device used to connect two solids and allow for relative rotation between them. It is usually composed of movable components or foldable materials. The main function of the hinge is to assist in the opening and closing of the cabinet, by connecting the rotating pair, so that the door or cover can swing on the fixed frame. According to different installation positions, hinges can be divided into door hinges and cabinet hinges. Door hinges are used to allow doors to rotate naturally and smoothly to open and close, while cabinet hinges have more functions and designs, such as rotating 360 degrees, adjusting the gap between doors up, down, and left and right.
Working principle:
The working principle of a hinge is to allow relative rotation between two solids through its design, while also being able to withstand certain torque and bending forces. Based on its structural design and material properties, it is usually made of metal or other hard materials with sufficient strength and durability to withstand the pressure and wear of daily use. A hinge typically consists of one or more rotational axes that allow the connected object to rotate around it. The design of hinges can be very simple, including only one rotation point, or more complex, including multiple adjustment screws to meet different installation needs. For example, hydraulic hinges (damping hinges) provide cushioning function when closed, reducing noise and impact.
Purpose:
The main purpose of hinges is to connect two solids and allow them to rotate relative to each other, enabling the connected object to open and close. A hinge can be composed of movable components or foldable materials, suitable for various scenarios and objects
A double-stacked self-locking washer is a special mechanical connector designed to prevent bolts from loosening, especially in high-vibration or high-load environments.It consists of two spring washers nested inside each other in an S-shaped configuration. The outer spring washer has ends that bend inwards, while the inner spring washer has ends that bend outwards, creating a two-way self-locking feature.The working principle of this washer is based on elastic deformation. When placed between connecting parts, the inner curved part of the outer spring ring interlocks with the outer curved part of the inner spring ring, creating a locking force that prevents the connecting parts from loosening under vibration or load.The advantages of the double-stacked self-locking washer include high reliability, easy installation, and a wide range of applications.It is suitable for various mechanical connections, such as threaded connections and pin connections, and is widely used in industrial production and machinery manufacturing, especially in the automotive manufacturing process, where it is often used to connect engine and chassis systems to improve the safety and reliability of the car.
Standard GB, DIN, ISO, JIS Size M3-M50 or non-standard as request&design Material Carbon steel, stainless steel, alloys steel etc. Hex head bolt and nut Grade 4.8 / 6.8 / 8.8 / 10.9 / 12.9 , A2-70 / A4-80 Packing Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
Flat Washer Material: carbon steel, stainless steel,brass, etc. Size: M2-M64, 1/4-2-1/2 Standard: DIN125,ASTM F436 ,ISO 7089,GB/T97 Finish: white zinc plated, yellow zinc plated, blue zinc plated, Hot-dip galvanized, plain,black oxide, etc.
Material Steel/Alloy/Bronze/Iron/ Carbon steel/etc Grade 4.8/ 6.8 /8.8 /10.9 /12.9 specification M0.8-M12 or 0#-1/2″ and we also produce according to customer’s requirement Standard ISO,DIN,JIS,ANSI/ASME,BS/Custom Color We can provide customized services according to your needs Surface Treatment We can provide customized services according to your needs Product Wheel / Lug Nut Mark According to customer’s requirement Package Cartons&pallets or according to customer’s requirement.
Bracket Metal Stamping parts products Can be made into different size according to customer’s requirements. Material: carbon steel, stainless steel,aluminum,copper,etc. Finish: white zinc plated, blue zinc plated, etc.
Product Name U-bolt Package BAG/BOX Grade 4.6,4.8,5.6,6.8,8.8,9.8,10.9,12.9,etc Available Material 304 stainless steel,plastic,brass,carbon steel,titanium,aluminum,etc Surface treatment Zinc plated,Black oxide,Phosphate,Dacroment,etc Standard ISO,BS,ANSI, GB,DIN,JIS,Nonstandard Advantage OEM / ODM / customized service provided Quality control ISO standard,100% Whole range inspection through the production Certificate ISO9001,ISO14001,IATF16949,ROHS,etc
Hexagonal Self-drilling screw Diameter: 4.8mm, 5.5mm,6.3mm(10#,12#,14#), etc. Length: 16-300mm Material: carbon steel, stainless steel, etc. Finish: white zinc plated, yellow zinc plated, blue zinc plated, etc.
Finish Plain Material carbon steel Place of Origin China City handan Model Number Inconel 625 Standard DIN Product name Hexagon Weld Nuts Packing Standard shipping package Standard DIN Finish Plain Delivery time 5-25 Days
item value Finish ZINC, Plain Material Stainless steel, Steel Place of Origin China Guangdong Brand Name yufu Model Number 20231214 Standard DIN Product name Bolt Standard Din933/Iso/Customized Grade 4.8/ 8.8/ 10.9/ 12.9 Ect Color Customized Colors MOQ 1000pcs Application Industry Size Customized Size Certificate ISO9001:2015 Delivery time 7-15 Working Days Port Shenzhen Port
Standard GB, DIN, ISO, JIS Size M3-M50 or non-standard as request&design Material Carbon steel, stainless steel, alloys steel etc. Hex head bolt and nut Grade 4.8 / 6.8 / 8.8 / 10.9 / 12.9 , A2-70 / A4-80 Packing Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
Standard GB, DIN, ISO, JIS Size M3-M50 or non-standard as request&design Material Carbon steel, stainless steel, alloys steel etc. Hex head bolt and nut Grade 4.8 / 6.8 / 8.8 / 10.9 / 12.9 , A2-70 / A4-80 Packing Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
A double-stacked self-locking washer is a special mechanical connector designed to prevent bolts from loosening, especially in high-vibration or high-load environments.It consists of two spring washers nested inside each other in an S-shaped configuration. The outer spring washer has ends that bend inwards, while the inner spring washer has ends that bend outwards, creating a two-way self-locking feature.The working principle of this washer is based on elastic deformation. When placed between connecting parts, the inner curved part of the outer spring ring interlocks with the outer curved part of the inner spring ring, creating a locking force that prevents the connecting parts from loosening under vibration or load.The advantages of the double-stacked self-locking washer include high reliability, easy installation, and a wide range of applications.It is suitable for various mechanical connections, such as threaded connections and pin connections, and is widely used in industrial production and machinery manufacturing, especially in the automotive manufacturing process, where it is often used to connect engine and chassis systems to improve the safety and reliability of the car.
Standard GB, DIN, ISO, JIS Size M3-M50 or non-standard as request&design Material Carbon steel, stainless steel, alloys steel etc. Hex head bolt and nut Grade 4.8 / 6.8 / 8.8 / 10.9 / 12.9 , A2-70 / A4-80 Packing Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
Flat Washer Material: carbon steel, stainless steel,brass, etc. Size: M2-M64, 1/4-2-1/2 Standard: DIN125,ASTM F436 ,ISO 7089,GB/T97 Finish: white zinc plated, yellow zinc plated, blue zinc plated, Hot-dip galvanized, plain,black oxide, etc.
