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PHONE HOTLINE: 800-346-4296 E-MAIL: sales@hayn.com
Contact Us
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Nylon Post Bushings

Hayn Nylon Post Bushings are split nylon cable pass-through inserts for Traditional Cable Rail post holes, available in straight and 31° angled versions in black, silver, and white to match the post finish and accommodate both level and stair rail applications. 

Strong Where It Matters

Nylon Post Bushings

The split design allows the bushing to be installed after the cable is already threaded through the post, eliminating the need to remove or re-run the cable to fit the bushing. Straight bushings suit level rail runs, while the 31° angled version compensates for stair rail geometry to keep the bushing seated flush in the post hole regardless of cable entry angle. Both versions are available in 4mm and 6mm inside diameters to match the cable size, with outside diameters of 9mm and 10mm respectively and post drill sizes of 23/64" and 25/64" for clean installation. 
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bushing split nylon

Bushings – Split Nylon

Part # Bushing I.D. Bushing O.D. Post Drill Color
BUSHING-6MMB 6mm 10mm 25/64″ Black
BUSHING-6MMS 6mm 10mm 25/64″ Silver
BUSHING-6MMW 6mm 10mm 25/64″ White
BUSHING-4MMB 4mm 9mm 23/64″ Black
BUSHING-4MMS 4mm 9mm 23/64″ Silver
BUSHING-4MMW 4mm 9mm 23/64″ White

Bushings – Angled, Split Nylon

Part # Bushing I.D. Bushing O.D. Post Drill Color Angle
BUSHING-6MMAB 6mm 10mm 25/64″ Black 31°
BUSHING-6MMAS 6mm 10mm 25/64″ Silver 31°
BUSHING-6MMAW 6mm 10mm 25/64″ White 31°
BUSHING-4MMAB 4mm 9mm 23/64″ Black 31°
BUSHING-4MMAS 4mm 9mm 23/64″ Silver 31°
BUSHING-4MMAW 4mm 9mm 23/64″ White 31°
Engineered In America Every Hayn fitting is designed and manufactured at our facility in Rocky Hill, Connecticut — the same American workmanship that has set the standard for stainless steel rigging hardware since 1950.
Cold-Worked Production Hayn fittings are cold-worked, not cast. That distinction matters: the cold-working process refines grain structure, increases fatigue resistance, and produces a fundamentally stronger component — one built to perform when the load comes on it.
Precision Manufacturing Our Rocky Hill production floor runs CNC vertical mills, CNC lathes, large-capacity mill-turn centers, and waterjet cutting systems — all configured to produce hardware that meets exact specifications, every time.
75+ Years of Excellence Hayn has been engineering and manufacturing marine and architectural rigging hardware since 1950. That track record isn't just history, it's the design knowledge, failure data, and continuous improvement that goes into every product we make. 
  • Type 316 stainless steel construction for superior saltwater corrosion resistance
  • Manufactured in Rocky Hill, Connecticut to Hayn's proprietary tolerances
  • Precision-machined using advanced CNC manufacturing equipment



  • Engineered for seamless integration in marine and architectural rigging systems

  • Short lead times on both standard and custom components

  • Backed by 75 years of marine and architectural hardware expertise

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Let's Build Something Together

 Hayn has been engineering precision rigging hardware since 1950. So whatever your project demands, you're building with hardware that's been proven at sea and on structure for generations. 
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