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Home / Turnbuckle / M8 Closed Body Turnbuckle 304 Stainless Steel, Enclosed Turnbuckle Screw, Rope Tightener Tensioner

Attributes

Brand -
Category Standard Parts, Components & Industrial Consumables / Turnbuckle
Origin -
Material 304 Stainless Steel
Thread Size M8
Body Type Closed Body (Enclosed)
Finish Polished
Load Capacity Up to 1,200 lbs (Working Load)
Corrosion Resistance High (Suitable for Marine Environments)
Application Rigging, Cable Tensioning, Fencing
Package Contents 1 x Turnbuckle Body, 2 x Eye Bolts
Weight 0.35 lbs
Country of Origin China

6 reviews

A

Anonymous

Mar 31, 2026

Rating: 5/5

Exactly as described

Needed an M8 closed body turnbuckle for a DIY project. This fit perfectly and holds tension very well without slipping. Highly recommend.

A

Anonymous

Mar 27, 2026

Rating: 3/5

Decent but tight threads initially

The product looks good, but the threads were very stiff out of the box. Had to work them back and forth with some lubricant before they smoothed out. Once loosened, they work fine.

A

Anonymous

Mar 16, 2026

Rating: 5/5

Great corrosion resistance

I use these for outdoor canopy supports. They have survived heavy rain and sun without any degradation. The enclosed design keeps dirt out of the threads.

A

Anonymous

Mar 14, 2026

Rating: 4/5

Good value, sturdy build

Works great for tensioning my garden fence cables. It's a bit heavier than expected, but that just means it's solid. Took off one star because the instructions were minimal.

A

Anonymous

Mar 08, 2026

Rating: 5/5

Perfect for my boat rigging

The stainless steel quality is excellent. No signs of rust after a month in saltwater conditions. The threads move smoothly when tightening.

A

Anonymous

Mar 07, 2026

Rating: 5/5

Professional grade quality

Bought these for a commercial signage installation. They look professional and provide the necessary tension stability. Will buy again for future projects.

5 FAQ

Q: How do I prevent the turnbuckle from loosening over time due to vibration?

A: We recommend using locking nuts or safety wire through the eyes once the desired tension is achieved to prevent loosening caused by vibration.

Q: Does this come with the eye bolts or just the body?

A: This package includes the closed body turnbuckle and two matching M8 eye bolts.

Q: Is this turnbuckle suitable for saltwater marine applications?

A: Yes, this turnbuckle is made from 304 stainless steel which offers high corrosion resistance, making it suitable for marine environments.

Q: Can I use this with wire rope or only chain?

A: This turnbuckle is designed primarily for use with wire rope or cables when paired with appropriate fittings, but it can also be used with chains if the links fit the eye bolts securely.

Q: What is the maximum working load for this M8 turnbuckle?

A: The typical working load limit for an M8 304 stainless steel closed body turnbuckle is approximately 1,200 lbs, though you should always consult local safety regulations for your specific application.

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