Southco Orcas Marine M5-23-100-8 Locking Slam Latch
The Southco Orcas M5-23-100-8 slam latch is a durable, flush-mount latch designed for marine applications where strength, corrosion resistance, and clean aesthetics are essential. Made from marine-grade 316 stainless steel, this latch is built to withstand harsh saltwater environments without compromising performance or appearance.
Perfect for use on hatches, cabin doors, and access panels, this slam latch allows for quick and easy one-handed operation—simply push to close and latch securely without needing to turn a handle.
Specifications:
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Latch Face Diameter: 2-3/8"
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Mounting Hole Size: Fits in a 2" round hole
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Material: Marine-grade 316 stainless steel
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Installation: Flush mount for a sleek, low-profile look, fits door thickness from .4375" - .75" thick
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Operation: Slam-to-close design with secure latching action, Locking
Trusted by boat builders and marine professionals, the M5-23-100-8 provides long-lasting performance and a polished finish—ideal for both OEM and aftermarket installations.
Fabricated in-house from King StarBoard® marine-grade polymer, this part will not rot, delaminate or swell. It is machined to OEM tolerances and finished by hand, then shipped ready to install.
The polymer is UV stabilized throughout, so the color goes all the way through the sheet — scratches sand out and there is nothing to paint or varnish.
- King StarBoard® construction – marine-grade HDPE that will not rot, warp or delaminate.
- CNC machined – cut to OEM tolerances so it drops into the existing opening.
- Color through the sheet – no paint, no gelcoat, no varnish to maintain.
- Stainless hardware – 316 stainless fasteners and hinges included where applicable.
- Made in the USA – fabricated and finished in our Florida shop.
Custom sizes available — send your dimensions through our contact form and we will quote the part.
