Marine-Grade 316 Stainless Steel Bow Anchor Lock / Channel Chain Stopper. It is a critical piece of deck safety hardware mounted on or alongside a boat's bow roller system. Its primary purpose is to firmly lock down the anchor chain or shackle pin while underway, preventing accidental anchor drop at sea and relieving structural stress from your windlass winch gears.
Core Components & Functionality
Curved Channel Shell: The rounded stainless steel body acts as a heavy-duty tracking shield. It mounts directly over or right behind the anchor chain roller.
Quick-Release Fastener Pin: The cross-body spring-loaded metal pin slides horizontally across the channel. To lock your anchor, you slide the pin through an open link of the anchor chain or through the anchor's main shank shackle eye.
Knurled Pull-Knob: The threaded thumb-knob on the side lets you manually release or snap the pin shut in seconds, keeping the anchor completely rigid when traveling at high cruising speeds or crashing through choppy water.
Standard Specifications & Ratings
Vessel Class: Typically outfitted on boats ranging from 20 to 50 feet in length.
Anchor Load Capacity: Engineered to safely lock and secure standard anchor profiles (such as Delta, Claw, or Plow models) weighing up to 55 to 70 lbs.
Chain Compatibility: The channel spacing and pin diameter are scaled to accept anchor chains and shackle setups up to 3/8" or 7/16" thick.
Mounting Pattern: Built with a low, snag-resistant profile featuring two pre-drilled countersunk bolt holes at the base for standard surface installation.
If you are replacing a lock or preparing a new bow install, please share:
What thickness chain (e.g., 1/4", 5/16", or 3/8") or shackle size needs to slide through the channel?
Do you need assistance verifying the center-to-center hole measurements to ensure it lines up with an existing bow roller setup?
