Coupling bolt

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MOQ : 10 Pieces

Coupling bolt Specification

Torque
Torque rating depends on size/class; typical M20 bolt up to 450 Nm

Max. Speed
Not directly applicable (depends on rotating assembly if used in shaft coupling)

Thread
Metric or Inch Thread as per requirement

Sealing
No integrated sealing; external gasket or o-ring may be used if required

Bore
Plain or threaded bore depending on application; standard sizes available

Head Code
Hex Head or Round Head

Connection
Bolted joint for coupling two components (flanges, shafts, etc.)

Material
High Tensile Steel, Alloy Steel, Stainless Steel as per requirement

Structure
Solid, one-piece bolt with shank and head

Standard
DIN 931 / ISO 4014 or as per customer specification

Inner Diameter
Depends on bolt size; typical M8-M36 range

Outer Diameter
Depends on head design; as per bolt size

Application
Used in mechanical and structural connections, typically to join coupling flanges of shafts or pipelines.

Surface Treatment
Zinc Plated / Galvanized / Black Oxide (as per requirement)

Technique
Machined from high-strength steel rods, precision finished

Shape
Cylindrical Bolt with Hexagonal or Rounded Head

Length
Custom or standard lengths available from 30mm to 300mm or as specified

Tolerance
Standard ISO tolerances unless specified

Compliance
RoHS/REACH compliant materials used

Hardness
28-32 HRC (for high tensile bolts)

Corrosion Resistance
Depends on material and coating, high for stainless and galvanized bolts

Packaging
Bulk packed, small boxes, or as per client requirement

Finish
Self-color, Zinc Plated, Hot Dip Galvanized

Temperature Resistance
Up to 350°C (for heat-resistant grades)

Usage Industry
Mechanical, Construction, Oil & Gas, Power Transmission

Grade
8.8, 10.9, 12.9 (for steel bolts), A2, A4 (for stainless steel)

Thread Length
Partial or full thread as required

Coupling bolt Trade Information

Minimum Order Quantity
10 Pieces

Payment Terms
Cash in Advance (CID)

Supply Ability
100 Pieces Per Month

Delivery Time
5-7 Days

Main Domestic Market
All India

About Coupling bolt

Discover the trending Coupling Bolt, an indispensable component for mechanical and structural connections. Available in dazzling custom or classic standard lengths (30mm to 300mm), it's engineered from superlative grades 8.8, 10.9, 12.9 steel, stainless A2, or A4-ensuring exceptional strength and reliability. Choose from finishes like zinc plated, hot dip galvanized, or black oxide for corrosion resistance. This hot deal is RoHS/REACH compliant and perfect for mechanical, construction, oil & gas, and power transmission industries. Act fast-add to cart now and secure uncompromising quality at a fantastic price!

Widely Used with Competitive Edge - Meet Every Industrial Demand

Coupling bolts are heavily used by engineers and suppliers across mechanical, construction, oil & gas, and power transmission sectors. Their primary competitive advantages include high strength, precise manufacturing tolerances, and dazzling resistance to heat and corrosion. These bolts are commercially ideal for joining flanges in shafts or pipelines, ensuring a solid, reliable bolted connection in critical applications. Their versatile usage and precision finishing make them the preferred choice for both routine installations and demanding industrial projects.

Main Domestic Market, Affordable Payment Terms, and Guarantee of Certification

Serving India's main domestic market, our coupling bolts come at the lowest price in the segment. Flexible payment terms such as Exchange and competitive list prices are available for bulk and single orders. Each bolt is accompanied by essential certifications such as RoHS/REACH compliance and adheres to DIN 931 / ISO 4014 standards, ensuring trust and reliability. Clients can be confident in both product safety and regulatory compliance, delivered efficiently to meet urgent or routine needs.

FAQ's of Coupling bolt:

Q: How do I select the correct coupling bolt size for my application?

A: Determine your required bolt length (30mm to 300mm), thread type (metric or inch), and material grade based on your mechanical and environmental needs. Consider load capacity, temperature, and corrosion resistance for optimal performance.

Q: What industries commonly use coupling bolts?

A: Coupling bolts are widely used in mechanical engineering, construction, oil & gas, and power transmission industries, primarily for connecting flanges, shafts, and pipelines in structural and mechanical assemblies.

Q: What are the benefits of different finishes such as zinc plated or hot dip galvanized?

A: Finishes like zinc plating or hot dip galvanizing enhance the bolt's corrosion resistance, making them suitable for various environments. Stainless grades and coated options provide dazzling longevity even in harsh outdoor or marine conditions.

Q: Where can I use coupling bolts with high-temperature resistance?

A: High-temperature-resistant coupling bolts can be used in applications where exposure up to 350C is expected, such as power plants or industrial machinery subjected to elevated heat.

Q: When should I use partial thread versus full thread in coupling bolts?

A: Partial threads are often used for high-strength clamping and to minimize fatigue in structural joints, while full threads are suitable when continuous thread engagement over the bolt's length is required.

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