What is Nuts and Washers?
Nuts and washers play a vital role in bolt fastening systems, they work in conjunction with bolts to ensure the stability and safety of the connection. Choosing the right washer and nut combination for different bolt types is crucial.
For example, for high-strength bolts, it is often necessary to use washers and nuts with higher load-bearing capacity to ensure sufficient load-bearing capacity and prevent loosening.
For bolts with special materials or requirements, such as stainless steel and other corrosion-resistant materials, the matching nuts and washers should also have corresponding characteristics to ensure the service life of the whole fastener.
Types of metal nuts
Nuts are fasteners with internal threads, Next, let’s introduce different types of metal nuts. Common nuts include hexagon nuts, flange nuts, square nuts, spring nuts, hammer nuts, lock nuts, coupling nuts, wing nuts, cap nuts, eye nuts, rivet nuts and other types.
Hex nuts can be used with different bolts and are one of the most versatile nuts. It is also subdivided into many types, such as heavy-duty hex nuts, hex thin nuts, hexagon kep nuts, hexagon castle nut, long hex nuts, hex welded nuts, etc.
Standard: DIN929, DIN 934, DIN 936, DIN 439,DIN6915 ,DIN6330, ISO 4032, DIN14399, DIN2510, JISB1181, ISO 8675 DIN 80705, ISO 4035
Size: M5-M64 per metric size, 1/4”–3” per inch size
Hex nut with flange, its flange can play the same role as washer in dispersing pressure.
Standard: DIN 6923 ISO4161 ,DIN 6926 &IFI
Size: M5-M64 per metric size,1/4”–3” per inch size
Also called rectangular nuts or square lock nuts, they are divided into several types: large square nuts, thin square nuts, and square welding nuts. They are mainly used for furniture and mechanical connections.
Standard: DIN 928,DIN 929,DIN 562,DIN 557
Metric Size: M5-M64
Also called Strut Channel Nuts, It is usually used for the connection of aluminum profiles. It is divided into long spring nuts, Channel Nuts without spring.
Material: Stainless steel, Carbon steel, Alloy steel, Aluminium alloy
Size : Customizable
Also called tee nuts, used for furniture connection and aluminum profile connection, divided into Drop-in T-Nut, T-Slot Nuts, T weld nuts, Four Claws tee Nut,Round Base T type climbing nut
Standard: DIN1624
Size : M5-M14 per metric size ,1/4”–3/4” per inch size
Nylon lock nut provides an anti-loosening effect by inserting a nylon insert into the top of the nut. When the bolt is tightened, the nylon insert snaps tightly with the bolt thread, creating a lot of friction.
Standard: DIN6926 DIN6923 DIN982,DIN985 ISO7040
Size : M5-M64 per metric size ,1/4”–3” per inch size
Thread: Metric thread
Coupling nut is also called long nut. It is divided into hexagonal and round shapes. It has threads at both ends and can connect two bolts or threaded rods at the same time.
Standard: DIN6334
Metric Size: M3-M24
Also called dome shape cap nut, it has a hexagonal structure at the bottom and a closed top on the top, which can be used as a nut cover to play a decorative role. At the same time, the closed part can also prevent the nut and thread from corroding.
Standard: DIN917 DIN986 DIN1587
Size: M3~M24
Types of washers
Washer is a fastener made of metal material stamping. After installing it, it disperses the pressure of the nut on the connecting surface, and also plays a role in preventing loosening.
Commonly used washers are a flat washer and a spring washer. In addition, we There are also square washers, locking washers, tapered washers, countersunk washers, contact washers and other types.
Flat washers, also called plain washers or round washers, are the most widely used types.
Standard: DIN 125A, ISO 7093,ISO 7089,ISO 7090,DIN 9021 ,DIN 6916
Size: M5-M64 per metric size, 1/4”–3 ” per inch size
Spring washers are subdivided into several types: split spring washer, Saddle spring washer, Wave spring washer, and disc spring washer.
Standard ： DIN127, DIN127B, DIN7980, JISB1251, DIN128B, DIN137B, JB7590
Size: M2~M56, # 2~# 12, 1 in~9/16 in
Tapered washers can be used for different mechanical applications depending on the taper. For example, Type B DIN434 Taper washer with a 6 ° taper is commonly used for channels steel, while Type C DIN435 square washer with an 8 ° taper is commonly used for I-beams.
Standard: DIN433, DIN434, DIN435, DIN436
Size: M6 M8 M10 M12 M14 M15 M16 M18 M20 M30 M36
Also called Knurled lock Washer, it comes in single-layer and double-layer types.
Standard ：DIN25201 DIN6795 DIN9250
Size: M6~M36# 5~#10, 1 in~5/8 in
Locking washers with teeth are divided into two types: internal tooth locking washers and external tooth locking washers.
Standard ：DIN6797J DIN6798J DIN6797A DIN6798A DIN6798V
Size: M2~M30 1 in~9/16 in, #4~#12.
Countersunk washers are also called cone shaped washers, flush countersunk washers or Finishing Washers. Common types are flat and cone. Standard size M6 M8 M10, washers specially used for countersunk head screws.
Material: Carbon Steel, Stainless Steel, aluminum, brass
Size: M6~M36
According to the type of tab, it is divided into Single tab lock washer, Double tab lock washer ,Bearing Lock Washers
Standard：DIN432 DIN463 DIN5406
In electrical applications, contact washers can provide good grounding contact to ensure the safe operation of equipment.
Material: Carbon Steel, Stainless Steel, aluminum, brass
Size: M6~M36
Our Company Advantage
T&Y Industrial occupies a modern production workshop of 2,500 square meters. We implement strict quality control for every link of production and fully comply with ISO9001 standards. From selected materials to finished products delivered from the warehouse, every step has been accurately tested to ensure product quality Consistent.
Our QC testing team consists of a group of professional and experienced personnel whose persistent pursuit of quality guarantees consistency and reliability in each batch.Thanks to ample inventory, including a wide range of standard sizes of bolts, nuts and washers, we are able to quickly arrange the delivery after receiving the order, greatly shortening the lead time.
In addition to standardized products, T&Y Industrial also offers tailor-made service options. We understand that each customer’s needs are unique, so we embrace the challenge to provide customers with personalized solutions. Whether you require corrosion-resistant stainless steel, strong and durable carbon steel, classic and beautiful brass or lightweight and high-strength aluminum alloy materials, our manufacturing capabilities can meet your needs.
At T&Y Industrial, we don’t just manufacture fasteners, we provide you with reliable, efficient, and customized fastening solutions to help your project stabilize every step of the way.
Various parameters of nuts and washer
- Standard
- Nuts and washer material
- Surface Treatment
- Our certificate
- Customer Feedback
DIN ,ISO, AS ,ANSI ,ASME,GB,JIS,BS,
Stainless Steel 304,316,Carbon steel, high carbon steel, medium carbon steel, Low Carbon steel C1008, aluminum alloy, titanium alloy, brass and copper.
Plain, Galvanized, HDG, Nickel Plated, Copper plating, black oxidation, passivation, polishing， power coated and so on
At T&Y Industrial, we are well aware that customer satisfaction is the key to business success. Therefore, we are committed to not only meeting, but exceeding customer expectations. Our bolts, nuts and washers products have won wide acclaim from customers worldwide for their excellent quality and consistency. Every successful supply further strengthens our credibility in the market, and every customer praise is recognition of our strict quality control and excellent service.
Our customers are all over the world, regardless of the size or complexity of the project, we are committed to treating it with the same dedication and professionalism. This unremitting pursuit of quality and service has allowed us to stand out among many suppliers and win long-term trust and support from customers. We firmly believe that only by continuously providing products and services of the highest standards can we ensure the development and prosperity of the enterprise.
For the T&Y hardware industry, standard samples are free charge ,for new customers ,we required to pay for freight ,and charge will return after order confirm
For Standard carbon steel and stainless steel nuts washers, T&Y hardware processing time is in 10-15 days after confirming the order, if for special 316 stainless steel or brass bolt and nut , will last 25-30 days
We usually keep stock for standard items ,If not special items , No MOQ required
Our mainly customers are from Eruope ,South And North America , Southeast Asia
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