Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

SPEC Extension Spring: 302 Stainless Steel, 120 mm Free Lg, 1.6 mm Wire Dia - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: 302 Stainless Steel, 120 mm Free Lg, 1.6 mm Wire Dia

The SPEC Extension Spring (SKU 3G-OTH-680228) is a 302 Stainless Steel machine hook extension spring with a 1.6 mm wire diameter, 17 mm O.D., and 120 mm free length. It features a plain finish and is identified by…

SKU 3G-OTH-680228

Brand
SPEC
Item
Extension Spring: 302 Stainless Steel, 120 mm Free Lg, 1.6 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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SPEC
Manufacturer Part Number
HM1701600120S
O.D
17 mm
Finish
Plain
Free Lg
120 mm
Wire Dia
1.6 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 (SKU 3G-OTH-680228) is a 302 Stainless Steel machine hook extension spring with a 1.6 mm wire diameter, 17 mm O.D., and 120 mm free length. It features a plain finish and is identified by manufacturer part number HM1701600120S.

Frequently Asked Questions

What is the SPEC 3G-OTH-680228 extension spring used for?

The SPEC 3G-OTH-680228 extension spring is used in industrial machinery, automation equipment, and mechanical assemblies requiring a corrosion-resistant, machine hook spring. Its 302 stainless steel construction suits applications in food processing, chemical handling, and outdoor equipment where moisture or mild corrosive exposure occurs.

What are the specifications of the SPEC HM1701600120S extension spring?

The SPEC HM1701600120S extension spring has a 1.6 mm wire diameter, 17 mm O.D., and 120 mm free length. It is made of 302 stainless steel with a plain finish and features machine hook ends. The manufacturer part number is HM1701600120S, and the SKU is 3G-OTH-680228.

Where to buy the SPEC 3G-OTH-680228 extension spring worldwide?

3G Electric supplies the SPEC 3G-OTH-680228 extension spring worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 302 stainless steel spring with machine hook ends.

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

To select the correct SPEC extension spring, match the wire diameter, O.D., free length, and end type to your load and space requirements. For the HM1701600120S, verify the 1.6 mm wire diameter and 120 mm free length suit your extension range. Always confirm material compatibility—302 stainless steel resists corrosion in moderate environments.

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, 117.7 mm Free Lg, 1.8 mm Wire Dia, 12 mm O.D. (MPN HM1201800118S)
SPEC
Extension Spring: 302 Stainless Steel, 117.7 mm Free Lg, 1.8 mm Wire Dia, 12 mm O.D. (MPN HM1201800118S)
Extension Spring: 302 Stainless Steel, 144.4 mm Free Lg, 2.2 mm Wire Dia, 15 mm O.D. (MPN HM1502200144S)
SPEC
Extension Spring: 302 Stainless Steel, 144.4 mm Free Lg, 2.2 mm Wire Dia, 15 mm O.D. (MPN HM1502200144S)
Extension Spring: 302 Stainless Steel, 50.6 mm Free Lg, 3.2 mm Wire Dia, 16 mm O.D. (MPN HM1603200051S)
SPEC
Extension Spring: 302 Stainless Steel, 50.6 mm Free Lg, 3.2 mm Wire Dia, 16 mm O.D. (MPN HM1603200051S)
Extension Spring: 302 Stainless Steel, 164.9 mm Free Lg, 1.2 mm Wire Dia, 13 mm O.D., 2 PK (MPN HM1301200165S)
SPEC
Extension Spring: 302 Stainless Steel, 164.9 mm Free Lg, 1.2 mm Wire Dia, 13 mm O.D., 2 PK (MPN HM1301200165S)
Extension Spring: 302 Stainless Steel, 68 mm Free Lg, 2 mm Wire Dia, 14 mm O.D. (MPN HM1402000068S)
SPEC
Extension Spring: 302 Stainless Steel, 68 mm Free Lg, 2 mm Wire Dia, 14 mm O.D. (MPN HM1402000068S)
Extension Spring: 302 Stainless Steel, 209 mm Free Lg, 5 mm Wire Dia, 25 mm O.D. (MPN HM2505000209S)
SPEC
Extension Spring: 302 Stainless Steel, 209 mm Free Lg, 5 mm Wire Dia, 25 mm O.D. (MPN HM2505000209S)

More from SPEC

View all SPEC parts
Extension Spring: Music Wire, 105.5 mm Free Lg, 2.5 mm Wire Dia, 13 mm O.D. (MPN HM1302500106M)
SPEC
Extension Spring: Music Wire, 105.5 mm Free Lg, 2.5 mm Wire Dia, 13 mm O.D. (MPN HM1302500106M)
Extension Spring: Music Wire, 132 mm Free Lg, 2 mm Wire Dia, 14 mm O.D. (MPN HM1402000132M)
SPEC
Extension Spring: Music Wire, 132 mm Free Lg, 2 mm Wire Dia, 14 mm O.D. (MPN HM1402000132M)
Extension Spring: 302 Stainless Steel, 79 mm Free Lg, 5 mm Wire Dia, 25 mm O.D. (MPN HM2505000079S)
SPEC
Extension Spring: 302 Stainless Steel, 79 mm Free Lg, 5 mm Wire Dia, 25 mm O.D. (MPN HM2505000079S)
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)
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, 50.8 mm Free Lg, 2 mm Wire Dia, 22 mm O.D. (MPN HM2202000051M)
SPEC
Extension Spring: Music Wire, 50.8 mm Free Lg, 2 mm Wire Dia, 22 mm O.D. (MPN HM2202000051M)
Extension Spring: Music Wire, 272 mm Free Lg, 3.6 mm Wire Dia, 40 mm O.D. (MPN HM4003600272M)
SPEC
Extension Spring: Music Wire, 272 mm Free Lg, 3.6 mm Wire Dia, 40 mm O.D. (MPN HM4003600272M)
Extension Spring: Music Wire, 250 mm Free Lg, 4.5 mm Wire Dia, 50 mm O.D. (MPN HM5004500250M)
SPEC
Extension Spring: Music Wire, 250 mm Free Lg, 4.5 mm Wire Dia, 50 mm O.D. (MPN HM5004500250M)