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

SPEC Extension Spring: Music Wire, 7 1/2 in Free Lg, 0.125 in Wire Dia - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: Music Wire, 7 1/2 in Free Lg, 0.125 in Wire Dia

The SPEC Extension Spring (MPN H15001257500M) is a machine hook extension spring made of music wire, with a 0.125 in wire diameter, 1.5 in O.D., and 7 1/2 in free length, finished in oil. 3G Electric sources this and…

SKU 3G-OTH-680162

Brand
SPEC
Item
Extension Spring: Music Wire, 7 1/2 in Free Lg, 0.125 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

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
H15001257500M
O.D
1.5 in
Finish
Oil
Free Lg
7 1/2 in
Wire Dia
0.125 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 (MPN H15001257500M) is a machine hook extension spring made of music wire, with a 0.125 in wire diameter, 1.5 in O.D., and 7 1/2 in free length, finished in oil. 3G Electric sources this and thousands of other industrial components across 14 departments — machining, electrical, power transmission, material handling, and more — with specialist depth in combustion, pumps, and controls as an authorised distributor for brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump, and FBR.

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring stores and releases energy by resisting a pulling force. It is commonly used in industrial machinery, automotive assemblies, and material handling equipment to return components to their original position after extension.

What are the specifications of the SPEC H15001257500M extension spring?

The SPEC H15001257500M is a music wire extension spring with a 0.125 in wire diameter, 1.5 in O.D., and 7 1/2 in free length. It has a machine hook end type and an oil finish. The manufacturer part number is H15001257500M.

Where to buy SPEC extension springs worldwide?

3G Electric supplies SPEC extension springs like the H15001257500M to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and thousands of other industrial components.

How to select the right extension spring for an application?

To select an extension spring, match the wire diameter, outer diameter, and free length to your load and space requirements. Consider the material—music wire offers high tensile strength. The SPEC H15001257500M is a common choice for moderate loads in industrial equipment.

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, 1/2 in Free Lg, 0.008 in Wire Dia, 0.063 in O.D., 3 PK (MPN H00630080500S)
SPEC
Extension Spring: 302 Stainless Steel, 1/2 in Free Lg, 0.008 in Wire Dia, 0.063 in O.D., 3 PK (MPN H00630080500S)
Extension Spring: Music Wire, 12.6 mm Free Lg, 0.8 mm Wire Dia, 4 mm O.D., 2 PK (MPN HM0400800013M)
SPEC
Extension Spring: Music Wire, 12.6 mm Free Lg, 0.8 mm Wire Dia, 4 mm O.D., 2 PK (MPN HM0400800013M)
Extension Spring: Music Wire, 136 mm Free Lg, 4 mm Wire Dia, 28 mm O.D. (MPN HM2804000136M)
SPEC
Extension Spring: Music Wire, 136 mm Free Lg, 4 mm Wire Dia, 28 mm O.D. (MPN HM2804000136M)
Extension Spring: Music Wire, 3/4 in Free Lg, 0.045 in Wire Dia, 0.36 in O.D., 5 PK (MPN H03600450750M)
SPEC
Extension Spring: Music Wire, 3/4 in Free Lg, 0.045 in Wire Dia, 0.36 in O.D., 5 PK (MPN H03600450750M)
Extension Spring: 302 Stainless Steel, 1 1/4 in Free Lg, 0.045 in Wire Dia, 0.42 in O.D., 3 PK (MPN H04200451250S)
SPEC
Extension Spring: 302 Stainless Steel, 1 1/4 in Free Lg, 0.045 in Wire Dia, 0.42 in O.D., 3 PK (MPN H04200451250S)
Extension Spring: 302 Stainless Steel, 247.6 mm Free Lg, 1.8 mm Wire Dia, 20 mm O.D. (MPN HM2001800248S)
SPEC
Extension Spring: 302 Stainless Steel, 247.6 mm Free Lg, 1.8 mm Wire Dia, 20 mm O.D. (MPN HM2001800248S)
Extension Spring: 302 Stainless Steel, 105.3 mm Free Lg, 1.6 mm Wire Dia, 11 mm O.D., 2 PK (MPN HM1101600105S)
SPEC
Extension Spring: 302 Stainless Steel, 105.3 mm Free Lg, 1.6 mm Wire Dia, 11 mm O.D., 2 PK (MPN HM1101600105S)
Extension Spring: Music Wire, 3 in Free Lg, 0.031 in Wire Dia, 0.3 in O.D., 5 PK (MPN MH03000313000M)
SPEC
Extension Spring: Music Wire, 3 in Free Lg, 0.031 in Wire Dia, 0.3 in O.D., 5 PK (MPN MH03000313000M)