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

SPEC Extension Spring: 302 Stainless Steel, 144.2 mm Free Lg, 1.2 mm Wire Dia - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: 302 Stainless Steel, 144.2 mm Free Lg, 1.2 mm Wire Dia

The SPEC Extension Spring is a 302 Stainless Steel machine hook extension spring with a free length of 144.2 mm, wire diameter of 1.2 mm, and outer diameter of 8.5 mm. It features a plain finish and is identified by…

SKU 3G-OTH-681377

Brand
SPEC
Item
Extension Spring: 302 Stainless Steel, 144.2 mm Free Lg, 1.2 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

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
HM0851200144S
O.D
8.5 mm
Finish
Plain
Free Lg
144.2 mm
Wire Dia
1.2 mm

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 302 Stainless Steel machine hook extension spring with a free length of 144.2 mm, wire diameter of 1.2 mm, and outer diameter of 8.5 mm. It features a plain finish and is identified by MPN HM0851200144S.

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring stores and releases energy to provide tension in mechanical assemblies. It is commonly used in industrial equipment, automation systems, and machinery across sectors like material handling, packaging, and general manufacturing.

What are the specifications of the SPEC HM0851200144S extension spring?

The SPEC HM0851200144S is a 302 stainless steel machine hook extension spring with a free length of 144.2 mm, wire diameter of 1.2 mm, and outer diameter of 8.5 mm. It has a plain finish and is designed for tension 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 HM0851200144S to support your maintenance and production needs across any region.

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 assembly's space and load requirements. Ensure the spring's material—like 302 stainless steel—suits the operating environment. Consult technical data for maximum deflection and load ratings.

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, 0.034 in Wire Dia, 0.24 in O.D., 3 PK (MPN MH02400341750M)
SPEC
Extension Spring: Music Wire, 1 3/4 in Free Lg, 0.034 in Wire Dia, 0.24 in O.D., 3 PK (MPN MH02400341750M)
Extension Spring: Music Wire, 2 1/2 in Free Lg, 0.037 in Wire Dia, 0.42 in O.D., 5 PK (MPN MH04200372500M)
SPEC
Extension Spring: Music Wire, 2 1/2 in Free Lg, 0.037 in Wire Dia, 0.42 in O.D., 5 PK (MPN MH04200372500M)
Extension Spring: Music Wire, 2 1/2 in Free Lg, 0.018 in Wire Dia, 0.24 in O.D., 5 PK (MPN MH02400182500M)
SPEC
Extension Spring: Music Wire, 2 1/2 in Free Lg, 0.018 in Wire Dia, 0.24 in O.D., 5 PK (MPN MH02400182500M)
Extension Spring: Music Wire, 1 1/8 in Free Lg, 0.045 in Wire Dia, 0.36 in O.D., 5 PK (MPN MH03600451120M)
SPEC
Extension Spring: Music Wire, 1 1/8 in Free Lg, 0.045 in Wire Dia, 0.36 in O.D., 5 PK (MPN MH03600451120M)
Extension Spring: 302 Stainless Steel, 303 mm Free Lg, 4 mm Wire Dia, 45 mm O.D. (MPN HM4504000303S)
SPEC
Extension Spring: 302 Stainless Steel, 303 mm Free Lg, 4 mm Wire Dia, 45 mm O.D. (MPN HM4504000303S)
Extension Spring: Music Wire, 5 1/2 in Free Lg, 0.177 in Wire Dia, 1.5 in O.D. (MPN H15001775500M)
SPEC
Extension Spring: Music Wire, 5 1/2 in Free Lg, 0.177 in Wire Dia, 1.5 in O.D. (MPN H15001775500M)
Extension Spring: Music Wire, 3 in Free Lg, 0.085 in Wire Dia, 0.75 in O.D., 2 PK (MPN MH07500853000M)
SPEC
Extension Spring: Music Wire, 3 in Free Lg, 0.085 in Wire Dia, 0.75 in O.D., 2 PK (MPN MH07500853000M)
Extension Spring: Music Wire, 179 mm Free Lg, 3.2 mm Wire Dia, 36 mm O.D. (MPN HM3603200179M)
SPEC
Extension Spring: Music Wire, 179 mm Free Lg, 3.2 mm Wire Dia, 36 mm O.D. (MPN HM3603200179M)