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

SPEC Extension Spring: 302 Stainless Steel, 117.7 mm Free Lg, 1.8 mm Wire Dia - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: 302 Stainless Steel, 117.7 mm Free Lg, 1.8 mm Wire Dia

The SPEC Extension Spring is a 302 Stainless Steel machine hook extension spring with a free length of 117.7 mm, wire diameter of 1.8 mm, and outer diameter of 12 mm. It features a plain finish and is identified by…

SKU 3G-OTH-680212

Brand
SPEC
Item
Extension Spring: 302 Stainless Steel, 117.7 mm Free Lg, 1.8 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
HM1201800118S
O.D
12 mm
Finish
Plain
Free Lg
117.7 mm
Wire Dia
1.8 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 117.7 mm, wire diameter of 1.8 mm, and outer diameter of 12 mm. It features a plain finish and is identified by manufacturer part number HM1201800118S.

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring stores energy and provides resistance to pulling forces. It is commonly used in industrial machinery, automotive assemblies, and material handling equipment where a controlled return motion is required.

What are the specifications of the SPEC HM1201800118S extension spring?

The SPEC HM1201800118S is a 302 stainless steel machine hook extension spring with a free length of 117.7 mm, wire diameter of 1.8 mm, and outer diameter of 12 mm. It has a plain finish and is designed for general-purpose tension applications.

Where to buy SPEC extension springs worldwide?

3G Electric supplies SPEC extension springs worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for a quote on the HM1201800118S or other SPEC spring models.

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

To select the correct SPEC extension spring, match the free length, wire diameter, and outer diameter to your space constraints and load requirements. Ensure the spring's maximum extended length and working load range suit your application. Consult a spring engineering guide for precise selection.

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
Extension Spring: 302 Stainless Steel, 340 mm Free Lg, 4.5 mm Wire Dia, 50 mm O.D. (MPN HM5004500340S)
SPEC
Extension Spring: 302 Stainless Steel, 340 mm Free Lg, 4.5 mm Wire Dia, 50 mm O.D. (MPN HM5004500340S)
Extension Spring: 302 Stainless Steel, 221 mm Free Lg, 4.5 mm Wire Dia, 32 mm O.D. (MPN HM3204500221S)
SPEC
Extension Spring: 302 Stainless Steel, 221 mm Free Lg, 4.5 mm Wire Dia, 32 mm O.D. (MPN HM3204500221S)
Extension Spring: 302 Stainless Steel, 66 mm Free Lg, 1 mm Wire Dia, 7 mm O.D., 2 PK (MPN HM0701000066S)
SPEC
Extension Spring: 302 Stainless Steel, 66 mm Free Lg, 1 mm Wire Dia, 7 mm O.D., 2 PK (MPN HM0701000066S)
Extension Spring: 302 Stainless Steel, 165 mm Free Lg, 1 mm Wire Dia, 7 mm O.D., 2 PK (MPN HM0701000165S)
SPEC
Extension Spring: 302 Stainless Steel, 165 mm Free Lg, 1 mm Wire Dia, 7 mm O.D., 2 PK (MPN HM0701000165S)
Extension Spring: 302 Stainless Steel, 123 mm Free Lg, 4 mm Wire Dia, 20 mm O.D. (MPN HM2004000123S)
SPEC
Extension Spring: 302 Stainless Steel, 123 mm Free Lg, 4 mm Wire Dia, 20 mm O.D. (MPN HM2004000123S)
Extension Spring: 302 Stainless Steel, 70.8 mm Free Lg, 0.7 mm Wire Dia, 7.5 mm O.D., 2 PK (MPN HM0750700071S)
SPEC
Extension Spring: 302 Stainless Steel, 70.8 mm Free Lg, 0.7 mm Wire Dia, 7.5 mm O.D., 2 PK (MPN HM0750700071S)

More from SPEC

View all SPEC parts
Extension Spring: 302 Stainless Steel, 5 in Free Lg, 0.085 in Wire Dia, 1 in O.D. (MPN H10000855000S)
SPEC
Extension Spring: 302 Stainless Steel, 5 in Free Lg, 0.085 in Wire Dia, 1 in O.D. (MPN H10000855000S)
Extension Spring: Music Wire, 1 1/4 in Free Lg, 0.031 in Wire Dia, 0.36 in O.D., 5 PK (MPN MH03600311250M)
SPEC
Extension Spring: Music Wire, 1 1/4 in Free Lg, 0.031 in Wire Dia, 0.36 in O.D., 5 PK (MPN MH03600311250M)
Extension Spring: 302 Stainless Steel, 1 1/2 in Free Lg, 0.055 in Wire Dia, 0.65 in O.D., 3 PK (MPN H06500551500S)
SPEC
Extension Spring: 302 Stainless Steel, 1 1/2 in Free Lg, 0.055 in Wire Dia, 0.65 in O.D., 3 PK (MPN H06500551500S)
Extension Spring: Music Wire, 3 1/2 in Free Lg, 0.055 in Wire Dia, 0.75 in O.D., 3 PK (MPN MH07500553500M)
SPEC
Extension Spring: Music Wire, 3 1/2 in Free Lg, 0.055 in Wire Dia, 0.75 in O.D., 3 PK (MPN MH07500553500M)
Extension Spring: Music Wire, 5/8 in Free Lg, 0.034 in Wire Dia, 0.18 in O.D., 5 PK (MPN MH01800340620M)
SPEC
Extension Spring: Music Wire, 5/8 in Free Lg, 0.034 in Wire Dia, 0.18 in O.D., 5 PK (MPN MH01800340620M)
Extension Spring: Music Wire, 3 in Free Lg, 0.055 in Wire Dia, 0.65 in O.D., 3 PK (MPN MH06500553000M)
SPEC
Extension Spring: Music Wire, 3 in Free Lg, 0.055 in Wire Dia, 0.65 in O.D., 3 PK (MPN MH06500553000M)
Extension Spring: Music Wire, 9 in Free Lg, 0.105 in Wire Dia, 1 in O.D. (MPN MH10001059000M)
SPEC
Extension Spring: Music Wire, 9 in Free Lg, 0.105 in Wire Dia, 1 in O.D. (MPN MH10001059000M)
Extension Spring: Music Wire, 1 in Free Lg, 0.024 in Wire Dia, 0.18 in O.D., 5 PK (MPN MH01800241000M)
SPEC
Extension Spring: Music Wire, 1 in Free Lg, 0.024 in Wire Dia, 0.18 in O.D., 5 PK (MPN MH01800241000M)