Cup Nut

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MOQ : 500 Pieces

Cup Nut Specification

Head Type
Dome (Acorn)

Standard
DIN 1587

Diameter
M6 to M12

Head Size
M6, M8, M10, M12 options

Material
Stainless steel, Brass, Mild steel

Function
Used to cover exposed bolt ends and nuts for safety and aesthetic purposes

Weight
5-15 grams (varies by size)

Surface
Polished, Chrome plated

Feature
Corrosion resistant, Decorative finish, Protects fastener threads

Operating Temperature
-20°C to 200°C

Application
Machinery, Automotive, Furniture, Plumbing

Tolerance
±0.1 mm

Thread Type
Metric Coarse

Shape
Hex base with dome head

Color
Silver, Gold (depending on material)

Hardness
80-120 HV

Packaging Type
Box, Packet

Cup Nut Trade Information

Minimum Order Quantity
500 Pieces

Supply Ability
500 Pieces Per Day

Delivery Time
20-30 Days

About Cup Nut

Ductile iron made cup nut is used as integral part of base jack, U jack and universal jack. Shape of this nut resembles to the appearance of cup. Accessible in different sizes, this nut is well known for its exceptional strength, rust proof surface and high strength. Simple to use, offered cup nut has perfect diameter. Compact in shape, provided metal fixing accessory has amazing strength which is needed to provide required support to scaffolding components. Standard of this nut has been checked as per its diameter, strength, surface finish, resistance attributes and service life. This nut can be availed in different sizes.

Superior Protection and Decorative Appeal

Cup Nuts safeguard fastener threads from damage, corrosion, and accidental contact, while adding a refined, decorative finish to installations. Their dome-shaped head conceals bolt ends, enhancing both safety and aesthetic value across various applications.

Engineered for Reliability and Versatility

Designed with metric coarse threads and available in multiple diameters and head sizes, Cup Nuts meet DIN 1587 standards for precise fit and performance. Their corrosion resistance and high hardness make them suitable for demanding environments, from industrial machinery to home furniture.

FAQ's of Cup Nut:

Q: How are Cup Nuts with dome heads installed on bolts or screws?

A: Cup Nuts are threaded onto exposed bolt or screw ends by hand or using a suitable wrench. Their hex base allows easy gripping, while the metric coarse threads ensure smooth engagement with standard bolts in sizes M6 to M12. Installation secures and protects the bolt end.

Q: What benefits do Cup Nuts provide in machinery and automotive applications?

A: Cup Nuts offer significant protection by covering sharp or exposed bolt ends, minimizing the risk of injury and corrosion. Additionally, their decorative finish enhances visual appeal in automotive and machinery assemblies, all while maintaining secure and long-lasting connections.

Q: When should I use Cup Nuts instead of standard hex nuts?

A: Cup Nuts are recommended when both safety and aesthetics are important. They are commonly used in environments where exposed bolt ends can pose hazards or where maintaining a polished appearance, such as visible furniture joins or automotive components, is desired.

Q: Where can Cup Nuts be effectively applied?

A: Cup Nuts are well-suited for machinery, automotive, furniture, and plumbing installations. They are also used in any application requiring protection of fastener threads and a clean, finished look. Their temperature and hardness specifications ensure reliable use in varied settings.

Q: What is the process for selecting the right Cup Nut for my application?

A: Choose a Cup Nut based on the diameter of the bolt (M6-M12), thread type (metric coarse), material (stainless steel, brass, mild steel), and desired finish (silver or gold). Consider operating environment conditions such as temperature and required corrosion resistance to ensure optimal performance.

Q: How do Cup Nuts enhance the longevity of fastener assemblies?

A: By shielding bolt ends from moisture, dust, and mechanical damage, Cup Nuts help prevent corrosion and thread wear. Their hard, chrome-plated surface and precise tolerance also support the durability and integrity of fastening systems over extended periods.

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