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

SPEC Extension Spring: Music Wire, 17 mm Free Lg, 0.55 mm Wire Dia, 2.8 mm O.D. - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: Music Wire, 17 mm Free Lg, 0.55 mm Wire Dia, 2.8 mm O.D.

The SPEC Extension Spring (MPN HM0280550017M) is a machine hook extension spring made of music wire, supplied as a 2-pack. It features a 17 mm free length, 0.55 mm wire diameter, and 2.8 mm O.D., with an oil finish.

SKU 3G-OTH-679451

Brand
SPEC
Item
Extension Spring: Music Wire, 17 mm Free Lg, 0.55 mm Wire Dia, 2.8 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 — 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
HM0280550017M
Type
2 PK
O.D.
2.8 mm
Finish
Oil
Free Lg
17 mm
Wire Dia
0.55 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 (MPN HM0280550017M) is a machine hook extension spring made of music wire, supplied as a 2-pack. It features a 17 mm free length, 0.55 mm wire diameter, and 2.8 mm O.D., with an oil finish.

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring is used to provide a pulling force in industrial machinery, such as in material handling, packaging equipment, and automation systems. The music wire construction offers high tensile strength and fatigue resistance for repeated extension cycles.

What are the specifications of the SPEC HM0280550017M extension spring?

The SPEC HM0280550017M is a machine hook extension spring with a 17 mm free length, 0.55 mm wire diameter, and 2.8 mm O.D. It is made of music wire with an oil finish and supplied as a 2-pack. These dimensions suit light to medium tension applications.

Where to buy SPEC extension springs worldwide?

3G Electric supplies SPEC extension springs worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine parts like the HM0280550017M across 14 departments, including power transmission and material handling, and deliver to your facility.

How to select the right extension spring for an application?

To select the right extension spring, match free length, wire diameter, and O.D. to your required extension range and load. The SPEC HM0280550017M with 17 mm free length and 0.55 mm wire diameter suits moderate-force applications. Always verify hook type and material compatibility with your environment.

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, 5 in Free Lg, 0.148 in Wire Dia, 1.5 in O.D. (MPN H15001485000S)
SPEC
Extension Spring: 302 Stainless Steel, 5 in Free Lg, 0.148 in Wire Dia, 1.5 in O.D. (MPN H15001485000S)
Extension Spring: Music Wire, 1 1/8 in Free Lg, 0.022 in Wire Dia, 0.24 in O.D., 5 PK (MPN MH02400221120M)
SPEC
Extension Spring: Music Wire, 1 1/8 in Free Lg, 0.022 in Wire Dia, 0.24 in O.D., 5 PK (MPN MH02400221120M)
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)
Extension Spring: Music Wire, 166.2 mm Free Lg, 1.6 mm Wire Dia, 8 mm O.D., 2 PK (MPN HM0801600166M)
SPEC
Extension Spring: Music Wire, 166.2 mm Free Lg, 1.6 mm Wire Dia, 8 mm O.D., 2 PK (MPN HM0801600166M)
Extension Spring: 302 Stainless Steel, 2 3/4 in Free Lg, 0.029 in Wire Dia, 0.24 in O.D., 5 PK (MPN H02400292750S)
SPEC
Extension Spring: 302 Stainless Steel, 2 3/4 in Free Lg, 0.029 in Wire Dia, 0.24 in O.D., 5 PK (MPN H02400292750S)
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: Music Wire, 1 1/8 in Free Lg, 0.026 in Wire Dia, 0.36 in O.D., 5 PK (MPN MH03600261120M)
SPEC
Extension Spring: Music Wire, 1 1/8 in Free Lg, 0.026 in Wire Dia, 0.36 in O.D., 5 PK (MPN MH03600261120M)
Extension Spring: Music Wire, 98.6 mm Free Lg, 3.2 mm Wire Dia, 16 mm O.D. (MPN HM1603200099M)
SPEC
Extension Spring: Music Wire, 98.6 mm Free Lg, 3.2 mm Wire Dia, 16 mm O.D. (MPN HM1603200099M)