测量系统

螺纹尺寸

螺母类型

六角联轴器

联轴器;六角

材料

18-8 Stainless Steel

Black-Oxide 18-8 Stainless Steel

热浸镀锌钢

Nylon 6/6 Plastic

锌薄片涂层钢

线程方向

宽度

紧固件强度等级/类别

螺纹间距

螺纹间距

螺纹类型

联合国军司令部

联合国基金会

规格符合

DIN 6334, ASME B18.2.2

螺纹配合

驱动方式

外部六角形

长度

连接螺母

622 产品

Metric 18-8 Stainless Steel Coupling Nuts

公制 18-8 不锈钢连接螺母

Made from 18-8 stainless steel, these coupling nuts are highly resistant to rust, corrosion, and staining. This makes them ideal for use in environments exposed to moisture, chemicals, or extreme temperatures.

Coupling Nuts with Sight Hole

带视孔的连接螺母

The defining feature of these coupling nuts is the hole or window on the side. This hole allows the user to visually verify that both threaded rods or bolts are engaged fully inside the nut. It helps ensure that the connection is secure, properly aligned, and stable.

Steel Extra-Long Coupling Nuts

钢制超长耦合螺母

Steel Extra-Long Coupling Nuts are typically used to join two pieces of threaded rods or other threaded components, providing extended reach and structural stability in various applications.

Stainless Steel Extra-Long Coupling Nuts

不锈钢超长耦合螺母

Stainless Steel Extra-Long Coupling Nuts are highly resistant to corrosion and ideal for applications where durability and longevity are essential, especially in environments exposed to moisture or chemicals.

Round Coupling Nuts

圆形连接螺母

Their round design is distinct from the standard hexagonal shape, offering a smooth surface, which can be beneficial for certain aesthetic or functional purposes. These nuts are often used in applications where a more finished appearance or lower profile is desired.

Plastic Coupling Nuts

塑料连接螺母

Plastic coupling nuts are lightweight, corrosion-resistant, and non-conductive, making them ideal for applications where metal nuts might not be suitable, such as in electrical systems or environments where corrosion is a concern.

Brass Coupling Nuts

黄铜连接螺母

They are commonly used in plumbing, electrical, and decorative applications due to their durability and resistance to rust and tarnish. Brass is also non-magnetic and easy to machine, making these nuts versatile in both functional and aesthetic settings.

Aluminum Coupling Nuts

铝制连接螺母

Aluminum coupling nuts are lightweight, corrosion-resistant, and offer good strength for their weight.

Metric Super-Corrosion-Resistant316 Stainless Steel Coupling Nuts

公制超耐腐蚀 316 不锈钢连接螺母

The 316 stainless steel alloy contains molybdenum, which enhances its corrosion resistance, especially against chlorides and other industrial chemicals. These coupling nuts are ideal when both strength and high corrosion resistance are critical.

Super-Corrosion-Resistant 316Stainless Steel Coupling Nuts

超耐腐蚀 316 不锈钢耦合螺母

Super-Corrosion-Resistant 316 Stainless Steel Coupling Nuts offer exceptional resistance to corrosion, particularly in saltwater or chemically exposed environments.

Low-Strength Steel Coupling Nuts

低强度钢连接螺母

Low-Strength Steel Coupling Nuts are typically used in applications where high strength is not required but cost-effectiveness is essential.

18-8 Stainless Steel Coupling Nuts

18-8 不锈钢连接螺母

The 18-8 designation refers to the 18% chromium and 8% nickel content, which makes these nuts suitable for a wide range of environments, including mildly corrosive and outdoor conditions.

Extreme-Strength Steel Coupling Nuts

超强度钢耦合螺母

These nuts are often used in heavy machinery, construction, and structural applications where the fasteners must withstand extreme stress and force. They are typically made from high-grade steel alloys that provide enhanced tensile and shear strength.

Metric High-Strength Steel Coupling Nuts—Class 10

公制高强度钢连接螺母-10 级

Class 10 coupling nuts are often used in heavy-duty mechanical and structural applications where the fastener needs to withstand high stress or load.

High-Strength Steel Coupling Nuts—Grade 8

8 级高强度钢连接螺母

Grade 8 steel coupling nuts are heat-treated to provide superior tensile strength, making them ideal for high-stress applications such as heavy machinery, structural joints, and automotive assemblies.

Metric Medium-Strength Steel Coupling Nuts—Class 8

公制中强度钢连接螺母-8 级

Class 8 coupling nuts are made from medium-strength steel, providing reliable performance in moderate-load scenarios. They are commonly used in machinery, equipment assembly, and construction projects where metric threads are specified.

Medium-Strength Steel Coupling Nuts—Grade 5

中强度钢连接螺母-5 级

Grade 5 coupling nuts are heat-treated to provide a good balance of strength, hardness, and wear resistance, making them suitable for use in automotive assemblies, machinery, and structural applications.

Left-Hand Threaded Low-Strength Steel Coupling Nuts

左旋螺纹低强度钢连接螺母

The left-hand threading prevents loosening under certain conditions, such as vibration or rotational forces in the opposite direction. These low-strength steel coupling nuts are ideal for lighter-duty applications where high strength is not critical but where a reverse-thread connection is necessary.

Metric Low-Strength Steel Coupling Nuts

公制低强度钢连接螺母

These nuts are often employed in non-critical connections, general assembly, or temporary structures. The metric sizing ensures compatibility with international standards, making them useful for a wide range of projects that require metric fasteners but do not need high tensile strength.

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