304/316 Stainless Steel Turnbuckles
DISLAB Precision presents heavy‑duty 304/316 Stainless Steel Turnbuckles – engineered for adjustable tensioning of cables, ropes, and chains. Manufactured from premium‑grade stainless steel, featuring precision‑machined right/left‑hand threaded rods within a hexagonal body for fine tension adjustment. Available in OO (eye‑eye), OC (eye‑hook), CC (hook‑hook) and additional CU/OU/UU types, sizes from M4 to M36 plus fractional (3/8″ to 1″). Suitable for marine rigging, architectural cable systems, outdoor installations and industrial lifting.
Versatile Configurations — Our turnbuckles are supplied in OO (eye-eye), OC (eye-hook), CC (hook-hook), plus CU/OU/UU types. Whether you need permanent eye‑to‑eye attachments, removable hook connections, or adjustable hook‑to‑hook setups, the polished stainless steel body ensures reliable corrosion resistance and precise tension adjustment. The dual right/left-hand threaded design allows fine‑tuning without complex tools, making it ideal for marine rigging, structural cables, fencing, and industrial tensioning systems. The load‑bearing performance is backed by precision‑machined threads and reinforced ends, offering robust safety margins in harsh environments.
Optimized for outdoor and coastal scenarios, 316 marine‑grade option adds molybdenum for superior saltwater resistance. The hexagonal body gives simple wrench or hand adjustment. Available from M4 up to M36, and fractional 3/8” to 1” with variable take‑up lengths. All assemblies comply with international quality standards and can be customized (OEM/ODM) with short lead times (3–7 days for standard sizes).
Engineered for precision, durability and effortless tension control
304 or 316 stainless steel construction resists rust, pitting and chemical exposure. 316 marine‑grade offers enhanced resistance to saltwater and harsh coastal conditions, ensuring long‑term durability.
Dual right/left‑hand threaded rods allow precise tension adjustment by rotating the central hexagonal body – fine‑tune cables/ropes without complex tools or re‑installation.
OO (eye-eye), OC (eye-hook), CC (hook-hook), plus CU/OU/UU configurations adapt to any connection: permanent, semi‑permanent or quick‑release setups for rigging & tensioning.
Precision‑machined threads & thick-walled body deliver high tensile strength. Polished finish reduces friction & prevents jamming, reinforced ends provide secure attachment points.
Unit: mm | Weight per 100 pcs in kg
| Size (Spec) | C | D | S | L | L1 | Adjustable Distance | Weight / 100 pcs (kg) |
|---|---|---|---|---|---|---|---|
| M4 | 10.7 | 4.66 | 7.74 | 61.20 | 106.40 | 39 | 3.428 |
| M5 | 10.02 | 4.70 | 7.72 | 73.60 | 122.00 | 59 | 3.745 |
| M6 | 11.24 | 5.70 | 10.50 | 91.00 | 145.00 | 64 | 6.691 |
| M8 | 13.00 | 7.60 | 10.00 | 121.00 | 189.00 | 96 | 13.504 |
| M10 | 14.86 | 10.44 | 12.60 | 151.00 | 233.00 | 115 | 24.850 |
| M12 | 18.60 | 11.50 | 16.34 | 199.00 | 299.80 | 163 | 46.652 |
| M14 | 22.40 | 13.40 | 17.60 | 221.00 | 350.00 | 185 | 70.600 |
| M16 | 26.70 | 15.34 | 19.76 | 260.00 | 390.00 | 193 | 103.92 |
| M20 | 30.10 | 20.00 | 22.10 | 300.00 | 465.00 | 232 | 195.8 |
| M24 | 27.90 | 24.00 | 23.70 | 356.00 | 531.00 | 269 | 339.0 |
| Turnbuckle Size | Steel Wire Rope Compatibility | Turnbuckle Size | Steel Wire Rope Compatibility |
|---|---|---|---|
| M4 | M4 for 0.8mm–1.5mm steel wire rope | M12 | M12 for 8mm steel wire rope |
| M5 | M5 for 2mm–3mm steel wire rope | M16 | M16 for 10mm steel wire rope |
| M6 | M6 for 4mm steel wire rope | M20 | M20 for 10mm steel wire rope |
| M8 | M8 for 5mm steel wire rope | M24 | M24 for 12mm steel wire rope |
| M10 | M10 for 6mm steel wire rope | — | — |
Designed to perform in extreme environments and high-demand industries
🌊 Marine & Coastal Rigging
Boat dock hardware, sailboat rigging, mooring lines. 316 stainless steel resists saltwater corrosion, prevents rust and degradation – proven in harsh marine zones.
🏙️ Architectural Cable Systems
Cable railings, suspended walkways, tensioned cable facades. Provides precise tension adjustment and clean polished appearance for modern designs.
☀️ Outdoor Installations
Awnings, shade sails, fence tensioning, garden trellises. Eliminates sagging due to weather or stretching; allows easy re-tensioning over time.
🏭 Industrial & Commercial
Overhead lifting preparation (consult engineer), equipment rigging, load securing. Secure adjustable tension point, heavy-load robustness.
📦 Real Customer Case: A leading marine hardware supplier placed a bulk order for 5,000 units of 316 stainless steel OC-type turnbuckles (M10). After 18 months field use in sailboat rigging, zero returns due to corrosion or thread jamming. Follow-up orders placed for additional sizes and configurations.
304 offers good general corrosion resistance for most outdoor/indoor use. 316 includes molybdenum – ideal for saltwater, chemicals, and marine environments with enhanced pitting resistance.
OO (eye-eye) for permanent connections; OC (eye-hook) one permanent/one removable; CC (hook-hook) for temporary or frequently adjusted setups. Other types (CU, OU, UU) available.
Primarily designed for tensioning, not lifting. For critical overhead lifting applications, consult a professional engineer to verify load ratings and comply with safety standards.
Minimal: periodic cleaning with mild detergent, light lubricant if threads stiffen. To adjust tension, rotate central hexagonal body clockwise to tighten, counter‑clockwise to loosen.
⚙️ Tension adjustment quick tip: Rotate the central hexagonal body clockwise to tighten (rods closer together), counter‑clockwise to loosen. Ensure rods remain engaged to avoid disconnection.
Direct Contact Channels
- One-stop service: design, customization, production, and global delivery
- OEM/ODM solutions for industrial and export-oriented buyers
