SPEC Extension Spring
The SPEC Extension Spring is a machine hook extension spring made of music wire, supplied in a 5-pack. Key specifications include a free length of 1 3/8 in, wire diameter of 0.037 in, outer diameter of 0.3 in, and an…
SKU 3G-OTH-681219
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
Need installation or engineering help?
Ask a question
Product Description
The SPEC Extension Spring is a machine hook extension spring made of music wire, supplied in a 5-pack. Key specifications include a free length of 1 3/8 in, wire diameter of 0.037 in, outer diameter of 0.3 in, and an oil finish (MPN MH03000371370M).
Frequently Asked Questions
What is a SPEC extension spring used for?
A SPEC extension spring with machine hooks is used to provide a pulling force in industrial applications such as counterbalancing, door returns, and tension mechanisms. The music wire construction and oil finish offer durability in general-purpose machinery and equipment across multiple industries.
What are the specifications of the SPEC extension spring MH03000371370M?
This SPEC extension spring has a free length of 1 3/8 in, a wire diameter of 0.037 in, an outer diameter of 0.3 in, and an oil finish. It is supplied as a 5-pack with machine hook ends, suitable for light to medium 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 MH03000371370M to support your maintenance and production needs across 14 industrial departments.
How to select the right extension spring for an application?
To select the right extension spring, match the free length, wire diameter, and outer diameter to your required load and deflection. The SPEC MH03000371370M with 0.037 in wire and 1 3/8 in free length suits light tension tasks. Always verify end type and finish for environmental compatibility.
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.
