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

SPEC Extension Spring: 302 Stainless Steel, 100 mm Free Lg, 4 mm Wire Dia - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: 302 Stainless Steel, 100 mm Free Lg, 4 mm Wire Dia

The SPEC Extension Spring (MPN HM2804000100S) is a 302 Stainless Steel machine hook extension spring with a 100 mm free length, 4 mm wire diameter, and 28 mm O.D., finished plain. 3G Electric interprets this demand…

SKU 3G-OTH-680142

Brand
SPEC
Item
Extension Spring: 302 Stainless Steel, 100 mm Free Lg, 4 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 — 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
HM2804000100S
O.D
28 mm
Finish
Plain
Free Lg
100 mm
Wire Dia
4 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 (MPN HM2804000100S) is a 302 Stainless Steel machine hook extension spring with a 100 mm free length, 4 mm wire diameter, and 28 mm O.D., finished plain. 3G Electric interprets this demand and sources it across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

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 the SPEC HM2804000100S extension spring used for?

The SPEC HM2804000100S extension spring is used in industrial machinery to provide tensile force, return motion, or counterbalance. Common applications include valves, clutches, and conveyor systems. 3G Electric sources this spring across 14 industrial departments, with specialist depth in combustion, pumps and controls.

What are the specifications of the SPEC HM2804000100S extension spring?

The SPEC HM2804000100S is a 302 stainless steel machine hook extension spring with a 100 mm free length, 4 mm wire diameter, 28 mm O.D., and plain finish. The manufacturer part number is HM2804000100S. 3G Electric supplies this spring globally.

Where to buy the SPEC HM2804000100S extension spring worldwide?

3G Electric supplies the SPEC HM2804000100S extension spring worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us to order this 302 stainless steel spring with 100 mm free length, 4 mm wire diameter, and 28 mm O.D.

How to select the correct extension spring for an industrial application?

To select the correct extension spring, match free length, wire diameter, outer diameter, and material to your load and deflection requirements. The SPEC HM2804000100S uses 302 stainless steel for corrosion resistance. 3G Electric can help interpret your demand and source the right spring.

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: 302 Stainless Steel, 8 in Free Lg, 0.125 in Wire Dia, 1 in O.D. (MPN H10001258000S)
SPEC
Extension Spring: 302 Stainless Steel, 8 in Free Lg, 0.125 in Wire Dia, 1 in O.D. (MPN H10001258000S)
Extension Spring: 302 Stainless Steel, 4 1/2 in Free Lg, 0.037 in Wire Dia, 0.36 in O.D., 3 PK (MPN H03600374500S)
SPEC
Extension Spring: 302 Stainless Steel, 4 1/2 in Free Lg, 0.037 in Wire Dia, 0.36 in O.D., 3 PK (MPN H03600374500S)
Extension Spring: 302 Stainless Steel, 2 1/2 in Free Lg, 0.029 in Wire Dia, 0.18 in O.D., 5 PK (MPN H01800292500S)
SPEC
Extension Spring: 302 Stainless Steel, 2 1/2 in Free Lg, 0.029 in Wire Dia, 0.18 in O.D., 5 PK (MPN H01800292500S)
Extension Spring: Music Wire, 1 3/8 in Free Lg, 0.016 in Wire Dia, 0.12 in O.D., 5 PK (MPN MH01200161370M)
SPEC
Extension Spring: Music Wire, 1 3/8 in Free Lg, 0.016 in Wire Dia, 0.12 in O.D., 5 PK (MPN MH01200161370M)
Extension Spring: Music Wire, 1 1/4 in Free Lg, 0.034 in Wire Dia, 0.24 in O.D., 5 PK (MPN MH02400341250M)
SPEC
Extension Spring: Music Wire, 1 1/4 in Free Lg, 0.034 in Wire Dia, 0.24 in O.D., 5 PK (MPN MH02400341250M)
Extension Spring: Music Wire, 2 in Free Lg, 0.055 in Wire Dia, 0.75 in O.D., 3 PK (MPN MH07500552000M)
SPEC
Extension Spring: Music Wire, 2 in Free Lg, 0.055 in Wire Dia, 0.75 in O.D., 3 PK (MPN MH07500552000M)
Extension Spring: Music Wire, 68.9 mm Free Lg, 1.4 mm Wire Dia, 10 mm O.D., 2 PK (MPN HM1001400069M)
SPEC
Extension Spring: Music Wire, 68.9 mm Free Lg, 1.4 mm Wire Dia, 10 mm O.D., 2 PK (MPN HM1001400069M)
Extension Spring: Music Wire, 62.8 mm Free Lg, 2 mm Wire Dia, 22 mm O.D. (MPN HM2202000063M)
SPEC
Extension Spring: Music Wire, 62.8 mm Free Lg, 2 mm Wire Dia, 22 mm O.D. (MPN HM2202000063M)