| Product Name | M30 M33*3.5mm Pitch Metric A4-70 Stainless Steel Hex Castle Nut DIN935 |
| Material | Stainless steel:SS210,SS304,SS316,SS316L,SS410 |
| Color | Polish, Passication |
| Standard | DIN,ASME,ASNI,ISO |
| Grade | A2-70,A2-80,A4-70,A4-80 |
| Finished | Polish, Passication |
| Thread | Coarse,Fine |
| Used | Building Industry Machinery |
Introduction to slotted nuts
Slotted nut is a special type of nut characterized by a groove machined on the nut, usually used in conjunction with a bolt and an open pin with holes to prevent relative rotation between the bolt and nut, thereby ensuring the stability of the connection.
The main function of slotted nuts is to fix the front and rear axles of the vehicle by tightening the screws that pass through them, tightly connecting the frame and tires together. This design is particularly suitable for equipment that needs to withstand vibration loads, such as fixing the axles of bicycles, motorcycles, and other transportation vehicles. In order to prevent the nut from loosening during use, it is necessary to use an open-ended pin to fix it through the slot of the slotted nut. The fixing of the split pin requires passing through the middle of the wheel axle screw. Usually, both ends of the wheel axle screw need to be drilled, and the diameter of the hole and the width and depth of the slotted nut groove determine the size of the split pin to be selected. When selecting appropriate wheel axle screws, split pins, and slotted nuts, the nuts can be fixed to the front wheels and frame through the wheel axle screws. The split pins secure the slotted nuts through the holes of the wheel axle screws, preventing them from loosening and ensuring that the vehicle does not loosen during movement.
Among the types of slotted nuts, hexagonal slotted nuts are the most common. They refer to a groove machined above the hexagonal nut, which is used in conjunction with a bolt with a hole in the shaft, and an open pin is inserted to prevent relative rotation between the bolt and nut. This design is widely used in various mechanical connections that require anti loosening measures to ensure the safety and stability of the equipment during operation.
Overall, slotted nuts provide reliable fixing solutions for various mechanical equipment through their unique design and use in conjunction with split pins, especially in applications that require vibration or dynamic loads
Standard for slotted nuts
Definition and purpose of slotted nuts
Slotted nut is a special type of nut that is mainly used to secure the front and rear axles of a vehicle by tightening the screws that pass through them, thereby fixing the frame and tires together. This type of nut is usually used in conjunction with bolts with holes in the shaft, and an open pin is inserted to prevent relative rotation between the bolt and nut. It is commonly used in situations where anti loosening is required.
Types of slotted nuts
There are several types of slotted nuts:
Hexagonal slotted nut: A groove is machined above the hexagonal nut and used in conjunction with a bolt with a hole in the shaft. An open pin is inserted to prevent loosening.
Type 1 hex slotted nut: The thread specification is M4-M36, divided into Class A and Class B. Class A is used for nuts with a diameter ≤ 16, while Class B is used for nuts with a diameter>16.
Type 2 hex slotted nut: thread specification M4-M36, divided into Class A and Class B, with a similar purpose to Type 1.
Relevant standards for slotted nuts
The relevant standards for slotted nuts include:
GB 6178-1986: specifies the standard for Type 1 hex slotted nuts.
GB 6180-1986: specifies the standard for type 2 hexagonal slotted nuts.
Other relevant standards, such as GB 196-81, GB 197-81, etc., involve the basic dimensions, tolerances and fits of ordinary threads, mechanical properties of fasteners, etc.
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.
Type:SCISSOR JACK,User Car Jack Place of Origin:Handan, China Material :Stainless steel,Carbon steel Usage Wide Usage Packaging and delivery Packaging Details caster wheels,all goods simple pack in the carton with poly bag or as customer’s request
Material Alloy steel,Carbon steel, Stainless steel 304 or 316 Technology Drop forged Finish Hot Dipped Galvanized, Electro Galvanized,Spray Painting,High polished, Mirror Polished Certificate CE certificate Testing 100% proof load tested and 100% calibrated Usage Lifting and connecting Main Standard Lifting Eye Hook S320,Swivel Hook S322,Slip Hook 324 and 331,Grab Hook 323 and 330,G80 Hooks,many other shaped lifting and chain hooks as request.
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.
Butterfly buckles and double ring buckles (also known as butterfly buckles, connecting rings, or linking rings) are mainly used to connect the chains, rings, and hooks in chain rigging. The design of this connecting ring allows for the pivot connection of a rotating ring body at each end of a connecting ring body. Its characteristic is that the body is a hollow cylindrical body, and the two rotating ring bodies are formed by a protruding embedded part at one end of a linear rod, and the other end is bent into a ring and then wound around a straight section for positioning.
Product Name: All Size Hexagonal Hex Head Coach Screws 50mm 304 Grade Stainless Steel Lag Screw Bolts For Wood DIN571 Galvanized M16 Material: Carbon Steel, Stainless Steel, Titanium, Aluminum, Brass, Nylon, Plastic etc Surface Treatment: Plain, Black, Zinc Plated /According To Your Requirement Size: M1 – M20 /According To Your Requirement Standard: DIN GB ISO JIS BA ANSI Grade: SUS201, SUS304, SUS316, A2-70, A2-80, A4-80, 4.8 6.8 8.8 10.9 12.9 Application: Building, Industry, Machinery, Electronic,etc Quality Policy All the parts manufactured 100% inspection from OQC before shipping. Non-Standards OEM is Available, According to Drawing or Samples
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.
Place of Origin Handan China Product name Caster Wheel Material:Nylon/PVC/PU/carbon steel/stainless steel Load Capacity 280-420kg Bearing Ball Bearing Size 4/5/6/8Inch Usage Wide Usage Packaging and delivery Packaging Details caster wheels,all goods simple pack in the carton with poly bag or as customer’s request
color black/natural size M16-M30 material carbon steel name Large hexagon bolt type Fastener grade 10.9S, 12.9 port Tianjin sample Support application Heavy Industry, Mining, Water Treatment, Healthcare, Retail Industry, General Industry, Oil & Gas, Automotive Industry customized Support
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
