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

SPEC Machine Hook Extension Spring - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Machine Hook Extension Spring

The SPEC Extension Spring is a 302 Stainless Steel machine hook extension spring, supplied in a 2 PK with a plain finish. Key specifications include a 63.7 mm free length, 1.6 mm wire diameter, and 17 mm O.D. (MPN…

SKU 3G-OTH-680227

Brand
SPEC
Item
Machine Hook Extension Spring
Part Number
HM1701600064S
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
HM1701600064S
Type
2 PK
O.D.
17 mm
Finish
Plain
Free Lg
63.7 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 is a 302 Stainless Steel machine hook extension spring, supplied in a 2 PK with a plain finish. Key specifications include a 63.7 mm free length, 1.6 mm wire diameter, and 17 mm O.D. (MPN HM1701600064S).

Frequently Asked Questions

What is a SPEC Extension Spring used for?

A SPEC Extension Spring stores and releases mechanical energy in tension applications. It is commonly used in industrial machinery, automation equipment, and assembly fixtures where a pulling force is required to return components to their original position.

What are the specifications of the SPEC Extension Spring HM1701600064S?

This SPEC Extension Spring is made of 302 stainless steel with a plain finish. It has a 63.7 mm free length, 1.6 mm wire diameter, and 17 mm O.D. It is supplied as a 2-pack with machine hook ends.

Where to buy SPEC Extension Springs worldwide?

3G Electric supplies SPEC Extension Springs worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this HM1701600064S 2-pack.

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 HM1701600064S in 302 stainless steel offers corrosion resistance for moderate-duty tension applications.

Not sure this is the right part? Photo-identify it

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
Machine hook extension spring with 7 in free length, 0.115 in wire diameter, and 1 in outer diameter. Made of 302 stainless steel with a plain finish. Stores energy and resists pulling forces, suitable for applications requiring controlled return motion
SPEC
Machine hook extension spring with 7 in free length, 0.115 in wire diameter, and 1 in outer diameter. Made of 302 stainless steel with a plain finish. Stores energy and resists pulling forces, suitable for applications requiring controlled return motion
Machine hook extension spring made of music wire with oil finish. Outer diameter 0.18 in, free length 1-3/4 in, wire diameter 0.029 in. Sold in a pack of 5. Used to store and release energy by resisting pulling forces in mechanical assemblies
SPEC
Machine hook extension spring made of music wire with oil finish. Outer diameter 0.18 in, free length 1-3/4 in, wire diameter 0.029 in. Sold in a pack of 5. Used to store and release energy by resisting pulling forces in mechanical assemblies
This extension spring is made of music wire with an oil finish. It has a free length of 4-1/2 inches, wire diameter of 0.075 inches, and outer diameter of 1 inch. Supplied as a 2-pack, it stores energy and resists pulling forces, suitable for applications requiring controlled return motion in machinery and assemblies
SPEC
This extension spring is made of music wire with an oil finish. It has a free length of 4-1/2 inches, wire diameter of 0.075 inches, and outer diameter of 1 inch. Supplied as a 2-pack, it stores energy and resists pulling forces, suitable for applications requiring controlled return motion in machinery and assemblies
Machine hook extension spring made of music wire with oil finish. Outer diameter 0.18 in, wire diameter 0.031 in, free length 1/2 in. Sold in a 5-pack. Used to provide pulling force in assemblies such as conveyor systems, agricultural equipment, and automotive mechanisms
SPEC
Machine hook extension spring made of music wire with oil finish. Outer diameter 0.18 in, wire diameter 0.031 in, free length 1/2 in. Sold in a 5-pack. Used to provide pulling force in assemblies such as conveyor systems, agricultural equipment, and automotive mechanisms
Extension spring with machine hooks for tension applications. Made of 302 stainless steel with plain finish. Free length 82.1 mm, wire diameter 0.8 mm, outer diameter 9 mm. Supplied as a 2-pack. Used to exert pulling force between components in industrial machinery
SPEC
Extension spring with machine hooks for tension applications. Made of 302 stainless steel with plain finish. Free length 82.1 mm, wire diameter 0.8 mm, outer diameter 9 mm. Supplied as a 2-pack. Used to exert pulling force between components in industrial machinery
Music wire extension spring with machine hooks, 0.5 in O.D., 0.041 in wire diameter, 1 3/8 in free length, oil finish. Used to provide pulling force in assemblies such as counterbalances and garage doors
SPEC
Music wire extension spring with machine hooks, 0.5 in O.D., 0.041 in wire diameter, 1 3/8 in free length, oil finish. Used to provide pulling force in assemblies such as counterbalances and garage doors
This machine hook extension spring is made of 302 stainless steel with a plain finish. It has a free length of 1 3/4 in, wire diameter of 0.069 in, and outer diameter of 0.65 in. Supplied as a 2-pack, it is used to store and release energy in applications requiring a return force, such as industrial machinery and material handling equipment
SPEC
This machine hook extension spring is made of 302 stainless steel with a plain finish. It has a free length of 1 3/4 in, wire diameter of 0.069 in, and outer diameter of 0.65 in. Supplied as a 2-pack, it is used to store and release energy in applications requiring a return force, such as industrial machinery and material handling equipment
Extension spring with machine hook ends, made of 302 stainless steel with a plain finish. Free length 21.6 mm, wire diameter 0.63 mm, outer diameter 4.5 mm. Supplied as a pack of 2. Used in applications requiring a return force after extension, such as industrial machinery and material handling equipment
SPEC
Extension spring with machine hook ends, made of 302 stainless steel with a plain finish. Free length 21.6 mm, wire diameter 0.63 mm, outer diameter 4.5 mm. Supplied as a pack of 2. Used in applications requiring a return force after extension, such as industrial machinery and material handling equipment