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

SPEC Extension Spring: Music Wire, 29.2 mm Free Lg, 0.7 mm Wire Dia, 3.5 mm O.D. - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: Music Wire, 29.2 mm Free Lg, 0.7 mm Wire Dia, 3.5 mm O.D.

The SPEC Extension Spring is a machine hook extension spring made of music wire, supplied in a 2-pack. It features a 29.2 mm free length, 0.7 mm wire diameter, 3.5 mm outer diameter, and an oil finish (MPN…

SKU 3G-OTH-680393

Brand
SPEC
Item
Extension Spring: Music Wire, 29.2 mm Free Lg, 0.7 mm Wire Dia, 3.5 mm O.D.
Category
Machine Hook Extension Springs
Available to Order
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Worldwide Shipping
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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
HM0350700029M
Type
2 PK
O.D.
3.5 mm
Finish
Oil
Free Lg
29.2 mm
Wire Dia
0.7 mm

Technical Documents

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

Product Description

The SPEC Extension Spring is a machine hook extension spring made of music wire, supplied in a 2-pack. It features a 29.2 mm free length, 0.7 mm wire diameter, 3.5 mm outer diameter, and an oil finish (MPN HM0350700029M).

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 with machine hooks is used to provide tension in mechanical assemblies, such as counterbalances, garage doors, and industrial machinery. The music wire construction and oil finish offer corrosion resistance and consistent force. 3G Electric supplies this spring across 14 industrial departments.

What are the specifications of the SPEC Extension Spring HM0350700029M?

This SPEC Extension Spring has a 29.2 mm free length, 0.7 mm wire diameter, 3.5 mm outer diameter, and an oil finish. It is a machine hook extension spring supplied in a 2-pack. The manufacturer part number is HM0350700029M.

Where to buy SPEC Extension Spring HM0350700029M worldwide?

3G Electric supplies the SPEC Extension Spring HM0350700029M worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this music wire spring.

How to select the right extension spring for an application?

Select an extension spring by matching free length, wire diameter, outer diameter, and material to your load and space requirements. The SPEC brand offers music wire for fatigue resistance. 3G Electric can help interpret your needs and source the correct spring across 14 industrial departments.

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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