We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

SPEC Extension Spring: Music Wire, 2 1/2 in Free Lg, 0.037 in Wire Dia, 0.36 in O.D. - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: Music Wire, 2 1/2 in Free Lg, 0.037 in Wire Dia, 0.36 in O.D.

The SPEC Extension Spring is a music-wire machine hook spring with a 0.037 in wire diameter, 0.36 in O.D., and 2 1/2 in free length. Supplied as a 5-pack with an oil finish (MPN MH03600372500M), it is a standard…

SKU 3G-OTH-680584

Brand
SPEC
Item
Extension Spring: Music Wire, 2 1/2 in Free Lg, 0.037 in Wire Dia, 0.36 in O.D.
Category
Machine Hook Extension Springs
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

SPEC
Manufacturer Part Number
MH03600372500M
Type
5 PK
O.D.
0.36 in
Finish
Oil
Free Lg
2 1/2 in
Wire Dia
0.037 in

Technical Documents

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SPEC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SPEC Extension Spring is a music-wire machine hook spring with a 0.037 in wire diameter, 0.36 in O.D., and 2 1/2 in free length. Supplied as a 5-pack with an oil finish (MPN MH03600372500M), it is a standard industrial component for tension applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring is used to provide tension in industrial machinery, pulling components together or returning them to position. Common applications include counterbalances, garage doors, trampolines, and agricultural equipment. The music-wire construction offers high tensile strength and fatigue resistance for repeated loading cycles.

What are the specifications of the SPEC extension spring MH03600372500M?

The SPEC extension spring MH03600372500M has a 0.037 in wire diameter, 0.36 in O.D., and 2 1/2 in free length. It is made of music wire with an oil finish and comes as a 5-pack. This machine hook spring is designed for tension applications requiring consistent force and durability.

Where to buy SPEC extension springs in worldwide?

3G Electric supplies SPEC extension springs worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source genuine components like the MH03600372500M 5-pack and deliver to your facility. Contact us for pricing and lead time on your region.

How to select the right extension spring for an application?

To select the right extension spring, match the wire diameter, outside diameter, and free length to your space constraints and required load. Consider the spring rate (force per unit deflection) and maximum extended length. Music wire like SPEC offers good fatigue life for dynamic tension applications. Always verify hook type and finish compatibility.

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.

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