ZB6605
RICHWITS
ZB6605
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The ZB6606 Stainless-Steel Pulley Block is a compact yet heavy-duty solution for redirecting or tensioning wire rope in marine, industrial and home applications.
CNC-milled from one-piece AISI 304 stainless steel, the side plates, axle and housing resist rust even after years of salt-water spray.
A low-friction nylon sheave (25 mm) spins on a sealed stainless bushing, giving you 92 % efficiency—higher than cast blocks twice the size.
100 pcs in stock, low-MOQ ordering and same-day dispatch keep your project on schedule.
| Feature | User Benefit |
|---|---|
| Full-SS304 Body | Zero rust, zero staining; passes 1 000 h salt-spray test. |
| Sealed Nylon Sheave | Quiet, self-lubricating, UV-stable; accepts 3–8 mm wire or 6–12 mm rope. |
| Smooth Flame-Polished Edges | Won’t chafe lines or snag sails. |
| CNC Machined Tolerances | Side-plate wobble <0.1 mm → no wire cork-screwing. |
| Captive SS Axle with Split-Cotter | Tool-free assembly; axle stays with block even when opened. |


Halyard redirect on dinghies & catamarans
Spinnaker guy return block
Anchor trip-line pulley
ATV/UTV winch extension redirect
Glider & paraground tow bridles
4×4 snatch-block alternative when space is tight
Overhead garage bicycle hoist
Shade-sail tensioning corner block
Flag-pole or Christmas-light halyard
Q: Is the nylon wheel UV-proof?
A: Yes, PA6 is compounded with 2 % carbon-black UV inhibitor; 5-year outdoor lifespan typical.
Q: Can I use this pulley for continuous 24 h cycling?
A: For high-cycle applications (>500 cycles/day) we recommend our ZB6606-B version with ball-bearing; contact sales.
Q: Magnet test?
A: 304 stainless is nominally non-magnetic; slight pull on edges due to cold-work is normal and does not affect corrosion resistance.


The ZB6606 Stainless-Steel Pulley Block is a compact yet heavy-duty solution for redirecting or tensioning wire rope in marine, industrial and home applications.
CNC-milled from one-piece AISI 304 stainless steel, the side plates, axle and housing resist rust even after years of salt-water spray.
A low-friction nylon sheave (25 mm) spins on a sealed stainless bushing, giving you 92 % efficiency—higher than cast blocks twice the size.
100 pcs in stock, low-MOQ ordering and same-day dispatch keep your project on schedule.
| Feature | User Benefit |
|---|---|
| Full-SS304 Body | Zero rust, zero staining; passes 1 000 h salt-spray test. |
| Sealed Nylon Sheave | Quiet, self-lubricating, UV-stable; accepts 3–8 mm wire or 6–12 mm rope. |
| Smooth Flame-Polished Edges | Won’t chafe lines or snag sails. |
| CNC Machined Tolerances | Side-plate wobble <0.1 mm → no wire cork-screwing. |
| Captive SS Axle with Split-Cotter | Tool-free assembly; axle stays with block even when opened. |


Halyard redirect on dinghies & catamarans
Spinnaker guy return block
Anchor trip-line pulley
ATV/UTV winch extension redirect
Glider & paraground tow bridles
4×4 snatch-block alternative when space is tight
Overhead garage bicycle hoist
Shade-sail tensioning corner block
Flag-pole or Christmas-light halyard
Q: Is the nylon wheel UV-proof?
A: Yes, PA6 is compounded with 2 % carbon-black UV inhibitor; 5-year outdoor lifespan typical.
Q: Can I use this pulley for continuous 24 h cycling?
A: For high-cycle applications (>500 cycles/day) we recommend our ZB6606-B version with ball-bearing; contact sales.
Q: Magnet test?
A: 304 stainless is nominally non-magnetic; slight pull on edges due to cold-work is normal and does not affect corrosion resistance.

