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SPEC Disc Spring: 20.4 mm I.D., 31.7 mm O.D., Carbon Steel, 25 PK (MPN BM317040) - Standard Disc Springs
SPECStandard Disc Springs

SPEC Disc Spring: 20.4 mm I.D., 31.7 mm O.D., Carbon Steel, 25 PK (MPN BM317040)

The SPEC Standard Disc Spring (MPN BM317040) is a carbon steel disc spring with a 20.4 mm I.D. and 31.7 mm O.D., supplied in a pack of 25. 3G Electric interprets customer demand and delivers genuine industrial…

SKU 3G-OTH-681839

Also listed as: BM 317040 · BM-317040

Brand
SPEC
Item
Disc Spring: 20.4 mm I.D., 31.7 mm O.D., Carbon Steel, 25 PK
Category
Standard Disc Springs
Available to Order
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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
BM317040
Type
Carbon Steel, 25 PK
O.D.
31.7 mm

Technical Documents

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

Product Description

The SPEC Standard Disc Spring (MPN BM317040) is a carbon steel disc spring with a 20.4 mm I.D. and 31.7 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 including SPEC, Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.

Frequently Asked Questions

What is a SPEC disc spring used for?

A SPEC disc spring, like the BM317040, 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 SPEC springs across 14 industrial departments worldwide.

What are the specifications of the SPEC BM317040 disc spring?

The SPEC BM317040 disc spring has a 31.7 mm O.D. and a 20.4 mm I.D., made from 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?

You can buy genuine SPEC disc springs, including the BM317040, from 3G Electric. We handle full logistics, customs clearance, and delivery to worldwide destinations, sourcing across 14 industrial departments to meet your exact requirements.

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 constraints. For the BM317040, the 31.7 mm O.D. and carbon steel suit moderate loads. 3G Electric can help interpret your demand and source the correct SPEC spring.

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.

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