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Tie Down Engineering 81221 Bolster Bracket 12in with Swivel Single Pack

Manufacturer

Tie Down Eng

<h3>Engineering Excellence for Trailer and Marine Applications</h3> <p>Since 1969, Tie Down Engineering has built a reputation as one of America's premier manufacturers of trailer components and marine accessories. Based in Atlanta, Georgia, this family-owned company operates from a massive 825,000-square-foot facility where advanced manufacturing technologies meet traditional American craftsmanship. With over 95 patents and more than 7,000 products in their portfolio, Tie Down Engineering represents decades of practical innovation designed to solve real-world challenges for boat owners, trailer operators, and commercial customers.</p> <p>What sets Tie Down Engineering apart is their commitment to in-house engineering and manufacturing. From CNC cutting and robotic welding to powder coating and rigorous testing, every product is designed and built in the United States. Their ISO 9001:2015 certification ensures that quality control standards remain consistently high across all product lines. This vertical integration allows the company to maintain strict oversight of materials, processes, and performance—critical factors when products must withstand demanding marine environments, heavy loads, and years of outdoor exposure.</p> <h3>Comprehensive Trailer Protection and Components</h3> <p>Tie Down Engineering specializes in critical trailer components that keep boats and cargo safe on the road. Their extensive selection of <a href="/6667-tie-down-eng-fenders-mounting-hardware-200397">fenders and mounting hardware</a> includes innovative bracket-less designs that simplify installation and provide clean, professional aesthetics. These high-density polyethylene fenders are engineered to resist UV degradation, impact damage, and harsh weather conditions, making them ideal for saltwater and freshwater applications alike. The company's <a href="/6667-tie-down-eng-fender-1380">fender</a> offerings accommodate various wheel sizes and trailer configurations, with reinforced construction that provides long-term durability even under demanding use.</p> <p>Safety remains paramount in trailer operation, which is why Tie Down Engineering produces robust <a href="/6667-tie-down-eng-safety-chains-cables-accessories-200888">safety chains, cables, and accessories</a> engineered to meet or exceed industry safety standards. These components serve as critical backup systems that protect against coupler failure, providing peace of mind during highway travel and boat launching. The company also offers a range of <a href="/6667-tie-down-eng-electronic-accessories-145">electronic accessories</a> and comprehensive <a href="/6667-tie-down-eng-trailer-parts-accessories-201094">trailer parts and accessories</a> that address everything from lighting and wiring to rollers, guide-ons, and mounting hardware. Each component is designed to integrate seamlessly with standard industry specifications, simplifying replacement and upgrade projects.</p> <h3>Built for the Marine Environment</h3> <p>Tie Down Engineering understands the unique demands of marine applications, where corrosion resistance and reliability are non-negotiable. Their trailer components are specifically engineered to withstand saltwater exposure, boat ramp immersion, and the constant moisture inherent in boating activities. Many products feature galvanized or aluminum construction, corrosion-resistant coatings, and sealed bearing systems that extend service life even in the harshest coastal environments. This attention to material science and protective finishes has made Tie Down Engineering a trusted name among boat dealers, marinas, and individual boat owners who demand components that won't fail when it matters most.</p> <p>The company serves diverse industries beyond marine and trailer applications, including manufactured housing, roofing, workplace safety, and agriculture. This broad manufacturing expertise translates into cross-industry innovations that benefit all product lines. Whether you're maintaining a boat trailer, upgrading safety equipment, or replacing worn components, Tie Down Engineering delivers the combination of American manufacturing quality, engineering innovation, and practical design that professionals and enthusiasts rely on for dependable performance season after season.</p>

Part Number

81221
07/13/2036 10:53 AM
Sale Price

$11.48

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Tie Down Engineering 81221 is a single 12-inch bolster swivel bracket engineered to provide reliable support for bunk boards and bolster boards on boat trailers. Sold individually (bulk/single unit), this bracket is an ideal replacement or add-on component for customizing your trailer's bunk configuration.

Key Features:

  • Swivel Design: Integrated swivel allows the bracket to match the proper angle of bunk or bolster boards, ensuring a secure and conforming fit to your hull
  • Slotted for Vertical Adjustment: Features a 2-3/4 in. slot length for easy vertical positioning, letting you dial in the exact bunk board height for your specific boat
  • Non-Slip Dimples: Precision-stamped dimples grip the bunk board to prevent shifting during transport and increase overall load capacity
  • Hot-Dip Galvanized Finish: Fully galvanized construction provides long-lasting corrosion resistance in harsh saltwater and freshwater marine environments
  • 12-Inch Length: Bracket measures 12 in. long x 4.25 in. wide with a 1-1/16 in. slot width

What's Included:

  • 1x 12 in. bolster swivel bracket (single/bulk unit)
  • Note: Mounting hardware (bolts and nyloc nuts) not included with single unit purchase — see part 81220 for the 2-pack option that includes hardware

Tie Down Engineering is a trusted manufacturer of boat trailer hardware and accessories. The 81221 is also available as a 2-pack with hardware under part number 81220. Cross-reference: DMP Part# 33635.

Great service quick delivery

Shipping took longer than expected as I paid for expedited shipping. I reached out to ask why it wasn't sent two day and got no reply. The customer service could really use improvement and this is reflected in multiple reviews. However, the products arrived safely and as described. I'm very satisfied with the pricing as well. At the end of the day, that's the most important thing.

Great product

Great prices and great selection

Very easy to deal with. All of the products showed up NIB as promised, and the delivery was very quick. Would certainly use these folks again.

I paid a little extra for the fast delivery but it was worth it. I got it quickly and it worked great

Fast service

Great

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