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

SPEC Extension Spring: Music Wire, 77.6 mm Free Lg, 0.63 mm Wire Dia - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: Music Wire, 77.6 mm Free Lg, 0.63 mm Wire Dia

The SPEC Extension Spring (SKU 828C16, MPN HM0450630078M) is a machine hook extension spring made from music wire. It has a 77.6 mm free length, 0.63 mm wire diameter, and 4.5 mm O.D., with an oil finish.

SKU 3G-OTH-679464

Brand
SPEC
Item
Extension Spring: Music Wire, 77.6 mm Free Lg, 0.63 mm 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

Technical Specifications

SPEC
Manufacturer Part Number
HM0450630078M
O.D
4.5 mm
Finish
Oil
Free Lg
77.6 mm
Wire Dia
0.63 mm
View Full Spec Sheet

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 (SKU 828C16, MPN HM0450630078M) is a machine hook extension spring made from music wire. It has a 77.6 mm free length, 0.63 mm wire diameter, and 4.5 mm O.D., with an oil finish.

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 a pulling force in industrial machinery, such as in material handling, packaging equipment, and automation systems. It stores energy when extended and returns to its original length when the load is removed.

What are the specifications of the SPEC extension spring HM0450630078M?

The SPEC extension spring HM0450630078M has a 77.6 mm free length, 0.63 mm wire diameter, and 4.5 mm O.D. It is made from music wire with an oil finish. These specs ensure consistent performance in tension applications across industrial settings.

Where to buy SPEC extension springs worldwide?

3G Electric supplies SPEC extension springs like the HM0450630078M to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct part for your application. Contact us for availability and lead time.

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

To select the right SPEC extension spring, match the free length, wire diameter, and O.D. to your space constraints and load requirements. Consider the material—music wire offers high tensile strength. Always verify the finish, such as oil, for corrosion protection in 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: Music Wire, 1 3/4 in Free Lg, 0.031 in Wire Dia, 0.3 in O.D., 5 PK (MPN MH03000311750M). Key specifications — Finish: Oil.
SPEC
Extension Spring: Music Wire, 1 3/4 in Free Lg, 0.031 in Wire Dia, 0.3 in O.D., 5 PK (MPN MH03000311750M). Key specifications — Finish: Oil.
Extension Spring: 302 Stainless Steel, 47.6 mm Free Lg, 0.63 mm Wire Dia, 7 mm O.D., 2 PK (MPN HM0700630048S). Key specifications �— Finish: Plain.
SPEC
Extension Spring: 302 Stainless Steel, 47.6 mm Free Lg, 0.63 mm Wire Dia, 7 mm O.D., 2 PK (MPN HM0700630048S). Key specifications — Finish: Plain.
Extension Spring: Music Wire, 2 1/4 in Free Lg, 0.075 in Wire Dia, 0.75 in O.D., 3 PK (MPN MH07500752250M). Key specifications — Finish: Oil.
SPEC
Extension Spring: Music Wire, 2 1/4 in Free Lg, 0.075 in Wire Dia, 0.75 in O.D., 3 PK (MPN MH07500752250M). Key specifications — Finish: Oil.
Extension Spring: Music Wire, 6 in Free Lg, 0.049 in Wire Dia, 0.36 in O.D., 5 PK (MPN MH03600496000M). Key specifications — Finish: Oil.
SPEC
Extension Spring: Music Wire, 6 in Free Lg, 0.049 in Wire Dia, 0.36 in O.D., 5 PK (MPN MH03600496000M). Key specifications — Finish: Oil.
Extension Spring: 302 Stainless Steel, 5/16 in Free Lg, 0.009 in Wire Dia, 0.063 in O.D., 3 PK (MPN H00630090310S). Key specifications — Finish: Plain.
SPEC
Extension Spring: 302 Stainless Steel, 5/16 in Free Lg, 0.009 in Wire Dia, 0.063 in O.D., 3 PK (MPN H00630090310S). Key specifications — Finish: Plain.
Extension Spring: 302 Stainless Steel, 1 1/4 in Free Lg, 0.041 in Wire Dia, 0.36 in O.D., 5 PK (MPN H03600411250S). Key specifications — Finish: Plain.
SPEC
Extension Spring: 302 Stainless Steel, 1 1/4 in Free Lg, 0.041 in Wire Dia, 0.36 in O.D., 5 PK (MPN H03600411250S). Key specifications — Finish: Plain.
Extension Spring: 302 Stainless Steel, 1 3/8 in Free Lg, 0.041 in Wire Dia, 0.5 in O.D., 3 PK (MPN H05000411370S). Key specifications — Finish: Plain.
SPEC
Extension Spring: 302 Stainless Steel, 1 3/8 in Free Lg, 0.041 in Wire Dia, 0.5 in O.D., 3 PK (MPN H05000411370S). Key specifications — Finish: Plain.
Extension Spring: Music Wire, 215 mm Free Lg, 1.8 mm Wire Dia, 12 mm O.D., 2 PK (MPN HM1201800215M). Key specifications — Finish: Oil.
SPEC
Extension Spring: Music Wire, 215 mm Free Lg, 1.8 mm Wire Dia, 12 mm O.D., 2 PK (MPN HM1201800215M). Key specifications — Finish: Oil.