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

SPEC Extension Spring: Music Wire, 56.8 mm Free Lg, 1.8 mm Wire Dia, 20 mm O.D. - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: Music Wire, 56.8 mm Free Lg, 1.8 mm Wire Dia, 20 mm O.D.

The SPEC Machine Hook Extension Spring (MPN HM2001800057M) is a music-wire spring with a 56.8 mm free length, 1.8 mm wire diameter, and 20 mm O.D., supplied in a 2-pack with an oil finish. 3G Electric sources this…

SKU 3G-OTH-679563

Brand
SPEC
Item
Extension Spring: Music Wire, 56.8 mm Free Lg, 1.8 mm Wire Dia, 20 mm O.D.
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
HM2001800057M
Type
2 PK
O.D.
20 mm
Finish
Oil
Free Lg
56.8 mm
Wire Dia
1.8 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 Machine Hook Extension Spring (MPN HM2001800057M) is a music-wire spring with a 56.8 mm free length, 1.8 mm wire diameter, and 20 mm O.D., supplied in a 2-pack with an oil finish. 3G Electric sources this and thousands of other industrial components across 14 departments, backed by specialist expertise in combustion, pumps, and controls to ensure you get the right part for your application.

Frequently Asked Questions

What is a SPEC Machine Hook Extension Spring used for?

A SPEC Machine Hook Extension Spring provides tension in industrial machinery, pulling components together or returning them to position. It is commonly used in manufacturing, packaging, and material handling equipment where reliable force and fatigue resistance are required.

What are the specifications of the SPEC HM2001800057M extension spring?

The SPEC HM2001800057M is a music-wire extension spring with a 56.8 mm free length, 1.8 mm wire diameter, and 20 mm O.D. It has an oil finish and comes in a 2-pack. These specs determine its load capacity and fit for your application.

Where to buy SPEC extension springs worldwide?

3G Electric supplies SPEC extension springs worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we interpret your demand and deliver the right part, including the HM2001800057M, to your facility anywhere.

How to select the right extension spring for my application?

Select an extension spring by matching free length, wire diameter, and O.D. to your space and load requirements. The SPEC HM2001800057M uses music wire for high tensile strength. Consult a technical specialist to verify spring rate and end fittings for your machinery.

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: Music Wire, 1 1/8 in Free Lg, 0.045 in Wire Dia, 0.36 in O.D., 5 PK (MPN MH03600451120M)
SPEC
Extension Spring: Music Wire, 1 1/8 in Free Lg, 0.045 in Wire Dia, 0.36 in O.D., 5 PK (MPN MH03600451120M)
Extension Spring: Music Wire, 2 1/2 in Free Lg, 0.055 in Wire Dia, 0.3 in O.D., 5 PK (MPN MH03000552500M)
SPEC
Extension Spring: Music Wire, 2 1/2 in Free Lg, 0.055 in Wire Dia, 0.3 in O.D., 5 PK (MPN MH03000552500M)
Extension Spring: Music Wire, 2 1/2 in Free Lg, 0.037 in Wire Dia, 0.42 in O.D., 5 PK (MPN MH04200372500M)
SPEC
Extension Spring: Music Wire, 2 1/2 in Free Lg, 0.037 in Wire Dia, 0.42 in O.D., 5 PK (MPN MH04200372500M)
Extension Spring: Music Wire, 2 1/2 in Free Lg, 0.018 in Wire Dia, 0.24 in O.D., 5 PK (MPN MH02400182500M)
SPEC
Extension Spring: Music Wire, 2 1/2 in Free Lg, 0.018 in Wire Dia, 0.24 in O.D., 5 PK (MPN MH02400182500M)
Extension Spring: 302 Stainless Steel, 138 mm Free Lg, 2.8 mm Wire Dia, 20 mm O.D. (MPN HM2002800138S)
SPEC
Extension Spring: 302 Stainless Steel, 138 mm Free Lg, 2.8 mm Wire Dia, 20 mm O.D. (MPN HM2002800138S)
Extension Spring: Music Wire, 1 3/4 in Free Lg, 0.034 in Wire Dia, 0.24 in O.D., 3 PK (MPN MH02400341750M)
SPEC
Extension Spring: Music Wire, 1 3/4 in Free Lg, 0.034 in Wire Dia, 0.24 in O.D., 3 PK (MPN MH02400341750M)
Extension Spring: 302 Stainless Steel, 6 1/2 in Free Lg, 0.095 in Wire Dia, 1.25 in O.D. (MPN H12500956500S)
SPEC
Extension Spring: 302 Stainless Steel, 6 1/2 in Free Lg, 0.095 in Wire Dia, 1.25 in O.D. (MPN H12500956500S)
Extension Spring: Music Wire, 56.9 mm Free Lg, 3.6 mm Wire Dia, 18 mm O.D. (MPN HM1803600057M)
SPEC
Extension Spring: Music Wire, 56.9 mm Free Lg, 3.6 mm Wire Dia, 18 mm O.D. (MPN HM1803600057M)