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, 7 1/2 in Free Lg, 0.177 in Wire Dia - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: Music Wire, 7 1/2 in Free Lg, 0.177 in Wire Dia

The SPEC Extension Spring is a machine hook extension spring made of music wire, with a free length of 7 1/2 in, a wire diameter of 0.177 in, and an outer diameter of 1.5 in. It features an oil finish and is…

SKU 3G-OTH-680986

Brand
SPEC
Item
Extension Spring: Music Wire, 7 1/2 in Free Lg, 0.177 in 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 — 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
H15001777500M
O.D
1.5 in
Finish
Oil
Free Lg
7 1/2 in
Wire Dia
0.177 in

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 is a machine hook extension spring made of music wire, with a free length of 7 1/2 in, a wire diameter of 0.177 in, and an outer diameter of 1.5 in. It features an oil finish and is identified by manufacturer part number H15001777500M.

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring is used to store and release energy by resisting a pulling force. It is commonly applied in industrial machinery, automotive assemblies, and material handling equipment where a return or tension function is needed.

What are the specifications of the SPEC extension spring H15001777500M?

The SPEC extension spring H15001777500M has a free length of 7 1/2 in, a wire diameter of 0.177 in, and an outer diameter of 1.5 in. It is made of music wire with an oil finish, designed for machine hook 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 and deliver genuine parts like the H15001777500M to support your operations across 14 industrial departments.

How to select the right SPEC extension spring for an application?

To select the right SPEC extension spring, match free length, wire diameter, and outer diameter to your load and deflection requirements. Ensure the spring's material and finish suit the operating environment. Consult a technical specialist for precise sizing.

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, 158.4 mm Free Lg, 0.63 mm Wire Dia, 7 mm O.D., 2 PK (MPN HM0700630158S)
SPEC
Extension Spring: 302 Stainless Steel, 158.4 mm Free Lg, 0.63 mm Wire Dia, 7 mm O.D., 2 PK (MPN HM0700630158S)
Extension Spring: Music Wire, 3 1/2 in Free Lg, 0.075 in Wire Dia, 0.85 in O.D., 3 PK (MPN MH08500753500M)
SPEC
Extension Spring: Music Wire, 3 1/2 in Free Lg, 0.075 in Wire Dia, 0.85 in O.D., 3 PK (MPN MH08500753500M)
Extension Spring: 302 Stainless Steel, 8 in Free Lg, 0.095 in Wire Dia, 1 in O.D. (MPN H10000958000S)
SPEC
Extension Spring: 302 Stainless Steel, 8 in Free Lg, 0.095 in Wire Dia, 1 in O.D. (MPN H10000958000S)
Extension Spring: Music Wire, 109 mm Free Lg, 5 mm Wire Dia, 25 mm O.D. (MPN HM2505000109M)
SPEC
Extension Spring: Music Wire, 109 mm Free Lg, 5 mm Wire Dia, 25 mm O.D. (MPN HM2505000109M)
Extension Spring: Music Wire, 3 1/2 in Free Lg, 0.115 in Wire Dia, 1.25 in O.D., 2 PK (MPN MH12501153500M)
SPEC
Extension Spring: Music Wire, 3 1/2 in Free Lg, 0.115 in Wire Dia, 1.25 in O.D., 2 PK (MPN MH12501153500M)
Extension Spring: Music Wire, 2 in Free Lg, 0.069 in Wire Dia, 0.75 in O.D., 2 PK (MPN MH07500692000M)
SPEC
Extension Spring: Music Wire, 2 in Free Lg, 0.069 in Wire Dia, 0.75 in O.D., 2 PK (MPN MH07500692000M)
Extension Spring: Music Wire, 5 in Free Lg, 0.148 in Wire Dia, 1.75 in O.D. (MPN H17501485000M)
SPEC
Extension Spring: Music Wire, 5 in Free Lg, 0.148 in Wire Dia, 1.75 in O.D. (MPN H17501485000M)
Extension Spring: Music Wire, 4 1/2 in Free Lg, 0.115 in Wire Dia, 1 in O.D., 2 PK (MPN MH10001154500M)
SPEC
Extension Spring: Music Wire, 4 1/2 in Free Lg, 0.115 in Wire Dia, 1 in O.D., 2 PK (MPN MH10001154500M)