SPEC Extension Spring: Music Wire, 30.2 mm Free Lg, 1.2 mm Wire Dia, 8.5 mm O.D.
The SPEC Extension Spring is a music-wire machine hook extension spring, supplied as a 2-pack (MPN HM0851200030M). It features a 30.2 mm free length, 1.2 mm wire diameter, 8.5 mm outer diameter, and an oil finish.
SKU 3G-OTH-679502
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.
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Product Description
The SPEC Extension Spring is a music-wire machine hook extension spring, supplied as a 2-pack (MPN HM0851200030M). It features a 30.2 mm free length, 1.2 mm wire diameter, 8.5 mm outer diameter, and an oil finish.
Frequently Asked Questions
What is a SPEC extension spring used for?
A SPEC extension spring stores and releases energy by resisting a pulling force. It is commonly used in industrial machinery, automotive assemblies, and material handling equipment to provide tension, return motion, or counterbalance.
What are the specifications of the SPEC HM0851200030M extension spring?
This SPEC extension spring has a 30.2 mm free length, 1.2 mm wire diameter, 8.5 mm outer diameter, and an oil finish. It is made from music wire and supplied as a 2-pack with machine hooks. The manufacturer part number is HM0851200030M.
Where to buy SPEC extension springs worldwide?
3G Electric supplies SPEC extension springs worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote on the HM0851200030M or other SPEC spring sizes and configurations.
How to select the right extension spring for an application?
Select an extension spring by matching free length, wire diameter, outer diameter, and material to your load and deflection requirements. The SPEC HM0851200030M uses music wire for high tensile strength. Ensure the hook type and finish suit your environment.
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.
