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Free Ground Shipping Over $149 | Details
Free Ground Shipping Over $149 | Details

Sea‑Dog 90 Degree Rail Base Fittings 316 Stainless Steel Round and Rectangular for 7/8 and 1 Inch Tubing

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Availability :
6 in stock
Availability :
10+ In Stock
Availability :
6 in stock
Availability :
10+ In Stock
Original price $16.99 - Original price $18.99
Original price
$16.99
$16.99 - $18.99
Current price $16.99
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Sea‑Dog 90 ° rail base fittings are engineered from investment cast 316 stainless steel for maximum corrosion resistance and long‑term durability in marine environments. Designed for stainless tubing with a 0.049 in. wall thickness, each base includes set screws (sold separately) and installs with flat‑head fasteners (not included). A 1/8 in. Allen wrench is required for set‑screw adjustment.

  • Part Number 280900 / 280900‑1 – 90 ° round base for 7/8 in. O.D. tubing; base diameter 2‑5/8 in.; fastener #10 FH; weight 0.49 lb
  • Part Number 280901 / 280901‑1 – 90 ° round base for 1 in. O.D. tubing; base diameter 2‑3/4 in.; fastener 1/4 in. FH; weight 0.58 lb
  • Part Number 281900 / 281900‑1 – 90 ° rectangular base for 7/8 in. O.D. tubing; base 1‑11/16 in. × 3 in.; fastener #10 FH; weight 0.42 lb
  • Part Number 281901 / 281901‑1 – 90 ° rectangular base for 1 in. O.D. tubing; base 1‑7/8 in. × 3‑3/16 in.; fastener 1/4 in. FH; weight 0.53 lb

Ideal for stanchions, bow rails, and custom frame structures, these Sea‑Dog rail bases deliver robust support and a professional finish to any marine rail installation.

Brand: Sea-Dog

WARNING: This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to www.p65warnings.ca.gov

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Backorder Policy: Occasionally, due to demand or supplier delays, some items may be temporarily out of stock or non-stock items. To ensure you can still get the products you need, you can order items even when they're out of stock. Our sales team will update you with the shipping lead time. Once back in stock, we promptly ship your item, and if your order includes both in-stock and backordered items, we may split the shipment. You can cancel your backorder before shipment, and request a refund to original payment method. For any inquiries, contact us at sales@freeportmarine.com.