Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

SPEC Disc Spring: 20.4 mm I.D., 40 mm O.D., Carbon Steel, 10 PK (MPN BD040100) - Standard Disc Springs
SPECStandard Disc Springs

SPEC Disc Spring: 20.4 mm I.D., 40 mm O.D., Carbon Steel, 10 PK (MPN BD040100)

The SPEC Standard Disc Spring (SKU BD040100, MPN BD040100) is a carbon steel disc spring with a 20.4 mm I.D. and 40 mm O.D., supplied in a 10-pack. 3G Electric interprets this demand and sources the genuine SPEC…

SKU 3G-OTH-681841

Also listed as: BD 040100 · BD-040100

Brand
SPEC
Item
Disc Spring: 20.4 mm I.D., 40 mm O.D., Carbon Steel, 10 PK
Category
Standard Disc Springs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SPEC
Manufacturer Part Number
BD040100
Type
Carbon Steel, 10 PK
O.D.
40 mm

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

SPEC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SPEC Standard Disc Spring (SKU BD040100, MPN BD040100) is a carbon steel disc spring with a 20.4 mm I.D. and 40 mm O.D., supplied in a 10-pack. 3G Electric interprets this demand and sources the genuine SPEC product, backed by our specialist expertise in industrial components across 14 departments.

Frequently Asked Questions

What is a SPEC disc spring used for?

A SPEC disc spring, such as the BD040100, is used to apply a preload or absorb shock in bolted joints, valves, and industrial machinery. Its conical shape provides high force in limited space, making it ideal for applications requiring consistent tension or vibration damping.

What are the specifications of the SPEC BD040100 disc spring?

The SPEC BD040100 disc spring has a 40 mm O.D. and 20.4 mm I.D., made from carbon steel, and comes in a 10-pack. It is a standard disc spring designed for reliable force delivery in industrial assemblies. 3G Electric sources this genuine SPEC product for global supply.

Where to buy SPEC disc springs worldwide?

3G Electric supplies SPEC disc springs, including the BD040100, to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine SPEC components. Contact us to order this 10-pack of carbon steel disc springs for your industrial application.

How to select the right SPEC disc spring for an application?

To select the right SPEC disc spring, match the O.D., I.D., and material to your assembly's space and load requirements. The BD040100 with 40 mm O.D. and carbon steel suits moderate loads. Consult 3G Electric for guidance on spring rate and stacking configurations for your specific machinery.

SPEC Products

3G Electric supplies SPEC standard disc springs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from SPEC

View all SPEC parts
This SPEC standard disc spring is made of carbon steel with an outer diameter of 189 mm and inner diameter of 121 mm. Supplied in a 10-pack, it is used to absorb shock, maintain tension, or compensate for thermal expansion in bolted joints and mechanical assemblies. Common in industrial machinery, valve actuators, and heavy equipment requiring high-load, low-deflection spring force
SPEC
This SPEC standard disc spring is made of carbon steel with an outer diameter of 189 mm and inner diameter of 121 mm. Supplied in a 10-pack, it is used to absorb shock, maintain tension, or compensate for thermal expansion in bolted joints and mechanical assemblies. Common in industrial machinery, valve actuators, and heavy equipment requiring high-load, low-deflection spring force
Carbon steel disc spring with 278 mm outer diameter and 181 mm inner diameter, supplied in a 10-pack. Designed for applications requiring high load capacity in limited axial space, such as bolted joints, valves, and clutches in industrial machinery
SPEC
Carbon steel disc spring with 278 mm outer diameter and 181 mm inner diameter, supplied in a 10-pack. Designed for applications requiring high load capacity in limited axial space, such as bolted joints, valves, and clutches in industrial machinery
Standard disc spring with 36.6 mm outer diameter and 20.4 mm inner diameter, made from carbon steel. Supplied in a pack of 25. Used for absorbing shock, maintaining tension, or compensating for thermal expansion in bolted joints and industrial machinery such as valves, pumps, and clamping systems
SPEC
Standard disc spring with 36.6 mm outer diameter and 20.4 mm inner diameter, made from carbon steel. Supplied in a pack of 25. Used for absorbing shock, maintaining tension, or compensating for thermal expansion in bolted joints and industrial machinery such as valves, pumps, and clamping systems
Carbon steel disc spring with 40 mm outer diameter and 16.3 mm inner diameter. Designed to absorb heavy loads in limited axial spaces, providing high force in bolted joints, valves, and clutches. Supplied in a pack of 10
SPEC
Carbon steel disc spring with 40 mm outer diameter and 16.3 mm inner diameter. Designed to absorb heavy loads in limited axial spaces, providing high force in bolted joints, valves, and clutches. Supplied in a pack of 10
Standard disc spring with 40 mm outer diameter and 20.4 mm inner diameter, made of carbon steel. Supplied in a pack of 10. Used to apply preload or absorb shock in bolted joints, valves, and mechanical assemblies where high load capacity is needed in limited axial space
SPEC
Standard disc spring with 40 mm outer diameter and 20.4 mm inner diameter, made of carbon steel. Supplied in a pack of 10. Used to apply preload or absorb shock in bolted joints, valves, and mechanical assemblies where high load capacity is needed in limited axial space
Standard disc spring with 9.8 mm outer diameter and 6.2 mm inner diameter, made of carbon steel. Supplied in a pack of 25. Used in bolted joints, valves, and clutches to maintain preload and compensate for thermal expansion or wear
SPEC
Standard disc spring with 9.8 mm outer diameter and 6.2 mm inner diameter, made of carbon steel. Supplied in a pack of 25. Used in bolted joints, valves, and clutches to maintain preload and compensate for thermal expansion or wear
Standard disc spring with 34.6 mm outer diameter, made of carbon steel. Supplied in a pack of 25. Used in applications requiring high load capacity in limited axial space, such as bolted joints, valves, and clutches
SPEC
Standard disc spring with 34.6 mm outer diameter, made of carbon steel. Supplied in a pack of 25. Used in applications requiring high load capacity in limited axial space, such as bolted joints, valves, and clutches
Carbon steel disc spring with 338 mm outer diameter and 232 mm inner diameter, supplied in a pack of 10. Designed for high-load, low-deflection applications in industrial bolted joints, valves, and machinery to maintain preload, absorb vibration, and compensate for thermal expansion
SPEC
Carbon steel disc spring with 338 mm outer diameter and 232 mm inner diameter, supplied in a pack of 10. Designed for high-load, low-deflection applications in industrial bolted joints, valves, and machinery to maintain preload, absorb vibration, and compensate for thermal expansion