We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

SPEC Disc Spring: 4.2 mm I.D., 12 mm O.D., Carbon Steel, 25 PK (MPN BD0120400042) - Standard Disc Springs
SPECStandard Disc Springs

SPEC Disc Spring: 4.2 mm I.D., 12 mm O.D., Carbon Steel, 25 PK (MPN BD0120400042)

The SPEC Standard Disc Spring (MPN BD0120400042) is a carbon steel disc spring with a 4.2 mm I.D. and 12 mm O.D., supplied in a pack of 25. 3G Electric interprets customer demand and delivers genuine industrial…

SKU 3G-OTH-681999

Also listed as: BD 0120400042 · BD-0120400042

Brand
SPEC
Item
Disc Spring: 4.2 mm I.D., 12 mm O.D., Carbon Steel, 25 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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SPEC
Manufacturer Part Number
BD0120400042
Type
Carbon Steel, 25 PK
O.D.
12 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 (MPN BD0120400042) is a carbon steel disc spring with a 4.2 mm I.D. and 12 mm O.D., supplied in a pack of 25. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor for brands like FBR, Interpump, Riello, Beckett, Schneider, ABB, Siemens, SKF, Festo, and Fluke.

Frequently Asked Questions

What is a SPEC disc spring used for?

A SPEC disc spring, like the BD0120400042, is used to absorb heavy loads in limited axial spaces, provide preload in bolted joints, or compensate for thermal expansion in industrial machinery. 3G Electric supplies these genuine components across 14 industrial departments worldwide.

What are the specifications of the SPEC disc spring BD0120400042?

The SPEC disc spring BD0120400042 has a 12 mm O.D. and 4.2 mm I.D., made of carbon steel, and comes in a pack of 25. It is a standard disc spring designed for reliable force deflection in mechanical assemblies.

Where to buy SPEC disc springs worldwide?

3G Electric supplies SPEC disc springs like the BD0120400042 to customers worldwide. We handle full logistics and customs clearance, ensuring genuine components reach your facility. Contact us to order this carbon steel disc spring pack for your 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 load and space requirements. The BD0120400042 is a carbon steel option for moderate loads. 3G Electric can help interpret your needs and source the correct genuine part from brands like SPEC.

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
Disc Spring: 57 mm I.D., 112 mm O.D., Carbon Steel, 10 PK (MPN BD112600)
SPEC
Disc Spring: 57 mm I.D., 112 mm O.D., Carbon Steel, 10 PK (MPN BD112600)
Disc Spring: 25.5 mm I.D., 70 mm O.D., Carbon Steel, 10 PK (MPN BD0702000255)
SPEC
Disc Spring: 25.5 mm I.D., 70 mm O.D., Carbon Steel, 10 PK (MPN BD0702000255)
Disc Spring: 6.2 mm I.D., 15 mm O.D., Carbon Steel, 25 PK (MPN BD0150700062)
SPEC
Disc Spring: 6.2 mm I.D., 15 mm O.D., Carbon Steel, 25 PK (MPN BD0150700062)
Disc Spring: 10.2 mm I.D., 28 mm O.D., Carbon Steel, 10 PK (MPN BD0281500102)
SPEC
Disc Spring: 10.2 mm I.D., 28 mm O.D., Carbon Steel, 10 PK (MPN BD0281500102)
Disc Spring: 14.2 mm I.D., 28 mm O.D., Carbon Steel, 15 PK (MPN BD028080)
SPEC
Disc Spring: 14.2 mm I.D., 28 mm O.D., Carbon Steel, 15 PK (MPN BD028080)
Disc Spring: 14.3 mm I.D., 25.7 mm O.D., Carbon Steel, 25 PK (MPN BM257040)
SPEC
Disc Spring: 14.3 mm I.D., 25.7 mm O.D., Carbon Steel, 25 PK (MPN BM257040)
Disc Spring: 41 mm I.D., 80 mm O.D., Carbon Steel, 10 PK (MPN BD080300)
SPEC
Disc Spring: 41 mm I.D., 80 mm O.D., Carbon Steel, 10 PK (MPN BD080300)
Disc Spring: 75.5 mm I.D., 109 mm O.D., Carbon Steel, 10 PK (MPN BM109127)
SPEC
Disc Spring: 75.5 mm I.D., 109 mm O.D., Carbon Steel, 10 PK (MPN BM109127)