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

SPEC Extension Spring: 302 Stainless Steel, 12.6 mm Free Lg, 0.8 mm Wire Dia - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: 302 Stainless Steel, 12.6 mm Free Lg, 0.8 mm Wire Dia

The SPEC Extension Spring is a 302 Stainless Steel machine hook extension spring with a 0.8 mm wire diameter, 4 mm O.D., and 12.6 mm free length, supplied in a 2 PK with a plain finish (MPN HM0400800013S). 3G…

SKU 3G-OTH-680786

Brand
SPEC
Item
Extension Spring: 302 Stainless Steel, 12.6 mm Free Lg, 0.8 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

Technical Specifications

SPEC
Manufacturer Part Number
HM0400800013S
Type
2 PK
O.D.
4 mm
Finish
Plain
Free Lg
12.6 mm
Wire Dia
0.8 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 is a 302 Stainless Steel machine hook extension spring with a 0.8 mm wire diameter, 4 mm O.D., and 12.6 mm free length, supplied in a 2 PK with a plain finish (MPN HM0400800013S). 3G Electric interprets this demand and delivers it across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor for brands including Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring is used to provide a pulling force in mechanical assemblies, such as in industrial machinery, material handling equipment, and automation systems. Its 302 stainless steel construction offers corrosion resistance for demanding environments.

What are the specifications of the SPEC extension spring HM0400800013S?

The SPEC extension spring HM0400800013S has a 0.8 mm wire diameter, 4 mm O.D., and 12.6 mm free length. It is made of 302 stainless steel with a plain finish and comes in a 2 PK. These specs are critical for matching spring force and fit in your application.

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 this spring across 14 departments, including specialist expertise in combustion, pumps, and controls.

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

To select the right SPEC extension spring, match the wire diameter, O.D., and free length to your assembly's space and load requirements. The 302 stainless steel material suits corrosive or high-temperature environments. Consult a technical resource for precise force calculations.

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.