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

SPEC Extension Spring: 302 Stainless Steel, 87.2 mm Free Lg, 4 mm Wire Dia - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: 302 Stainless Steel, 87.2 mm Free Lg, 4 mm Wire Dia

The SPEC Extension Spring (SKU HM2004000087S, MPN HM2004000087S) is a 302 Stainless Steel machine hook extension spring with a free length of 87.2 mm, wire diameter of 4 mm, and outer diameter of 20 mm, finished…

SKU 3G-OTH-680242

Brand
SPEC
Item
Extension Spring: 302 Stainless Steel, 87.2 mm Free Lg, 4 mm Wire Dia
Category
Machine Hook Extension 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
HM2004000087S
O.D
20 mm
Finish
Plain
Free Lg
87.2 mm
Wire Dia
4 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 Extension Spring (SKU HM2004000087S, MPN HM2004000087S) is a 302 Stainless Steel machine hook extension spring with a free length of 87.2 mm, wire diameter of 4 mm, and outer diameter of 20 mm, finished plain. 3G Electric interprets this demand and delivers this genuine industrial spring 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 the SPEC Extension Spring HM2004000087S used for?

The SPEC Extension Spring HM2004000087S is a 302 stainless steel machine hook spring used in industrial equipment requiring tension, such as conveyors, valves, and machinery. 3G Electric supplies this spring across 14 departments, with specialist depth in combustion, pumps, and controls.

What are the specifications of the SPEC Extension Spring HM2004000087S?

The SPEC Extension Spring HM2004000087S (MPN HM2004000087S) has a free length of 87.2 mm, wire diameter of 4 mm, outer diameter of 20 mm, and a plain finish. It is made from 302 stainless steel with machine hook ends.

Where to buy the SPEC Extension Spring HM2004000087S worldwide?

3G Electric supplies the SPEC Extension Spring HM2004000087S worldwide, handling logistics, customs, and delivery. As a global industrial solutions provider, we source genuine parts across 14 departments, including specialist expertise in combustion, pumps, and controls.

How to select the right extension spring for industrial use?

Select an extension spring by matching free length, wire diameter, outer diameter, and material to your application's load and deflection needs. The SPEC HM2004000087S offers 302 stainless steel for corrosion resistance. 3G Electric can help interpret your requirements and source the correct spring.

SPEC Products

3G Electric supplies SPEC machine hook extension 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
Extension Spring: 302 Stainless Steel, 6 in Free Lg, 0.207 in Wire Dia, 2 in O.D. (MPN H20002076000S)
SPEC
Extension Spring: 302 Stainless Steel, 6 in Free Lg, 0.207 in Wire Dia, 2 in O.D. (MPN H20002076000S)
Extension Spring: Music Wire, 1 3/8 in Free Lg, 0.018 in Wire Dia, 0.12 in O.D., 5 PK (MPN MH01200181370M)
SPEC
Extension Spring: Music Wire, 1 3/8 in Free Lg, 0.018 in Wire Dia, 0.12 in O.D., 5 PK (MPN MH01200181370M)
Extension Spring: Music Wire, 1 1/2 in Free Lg, 0.069 in Wire Dia, 0.5 in O.D., 3 PK (MPN MH05000691500M)
SPEC
Extension Spring: Music Wire, 1 1/2 in Free Lg, 0.069 in Wire Dia, 0.5 in O.D., 3 PK (MPN MH05000691500M)
Extension Spring: 302 Stainless Steel, 4 1/2 in Free Lg, 0.095 in Wire Dia, 1.25 in O.D. (MPN H12500954500S)
SPEC
Extension Spring: 302 Stainless Steel, 4 1/2 in Free Lg, 0.095 in Wire Dia, 1.25 in O.D. (MPN H12500954500S)
Extension Spring: 302 Stainless Steel, 7 in Free Lg, 0.125 in Wire Dia, 1 in O.D. (MPN H10001257000S)
SPEC
Extension Spring: 302 Stainless Steel, 7 in Free Lg, 0.125 in Wire Dia, 1 in O.D. (MPN H10001257000S)
Extension Spring: Music Wire, 2 3/4 in Free Lg, 0.034 in Wire Dia, 0.24 in O.D., 5 PK (MPN MH02400342750M)
SPEC
Extension Spring: Music Wire, 2 3/4 in Free Lg, 0.034 in Wire Dia, 0.24 in O.D., 5 PK (MPN MH02400342750M)
Extension Spring: Music Wire, 1 in Free Lg, 0.018 in Wire Dia, 0.24 in O.D., 5 PK (MPN MH02400181000M)
SPEC
Extension Spring: Music Wire, 1 in Free Lg, 0.018 in Wire Dia, 0.24 in O.D., 5 PK (MPN MH02400181000M)
Extension Spring: 302 Stainless Steel, 284 mm Free Lg, 5 mm Wire Dia, 25 mm O.D. (MPN HM2505000284S)
SPEC
Extension Spring: 302 Stainless Steel, 284 mm Free Lg, 5 mm Wire Dia, 25 mm O.D. (MPN HM2505000284S)