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Post Bases & Caps

When you need a structural connector that anchors a post to concrete, post bases are the answer. Pairing stainless steel post bases and post caps helps create strong connections throughout decks, pergolas, pavilions, and other wood structures. 

Choose Manasquan Fasteners to supply you with Simpson post caps and bases. This brand is trusted by contractors nationwide. All Simpson connectors are proudly made in the USA. Browse our selection of stainless steel post bases and post caps. Some connectors can be made in stainless via special order. Contact us for details.

  • Simpson ABU44SS, 4x4 Adjustable Post Base, stainless steel

    Simpson ABU44SS 4 x 4 Adjustable Post Base - Stainless Steel

    2 reviews

    Made in the USA Type 316 Stainless Steel for ultimate corrosion resistance The ABU series are adjustable post bases with uplift. They have a 1” standoff for the post to help prevent end rot and are designed for maximum uplift performance New concrete- May be fastened to new (wet) concrete with embedded specified stainless anchors Cured Concrete- Use specified wedge anchor, Titen HD® concrete screw or cast-in-place stainless steel threaded stirrup set with specified acrylic or epoxy adhesive. May be fastened to stirrup with specified nails, stainless SD screws or bolts to achieve the same upload performance

    $122.60

  • Simpson ABU66SS, 6x6 Adjustable post base, stainless steel

    Simpson ABU66SS 6 x 6 Adjustable Post Base - Stainless Steel

    Made in the USA Type 316 Stainless Steel for ultimate corrosion resistance The ABU series are adjustable post bases with uplift. They have a 1” standoff for the post to help prevent end rot and are designed for maximum uplift performance New concrete- May be fastened to new (wet) concrete with embedded specified stainless anchors Cured Concrete- Use specified wedge anchor, Titen HD® concrete screw or cast-in-place stainless steel threaded stirrup set with specified acrylic or epoxy adhesive. May be fastened to stirrup with specified nails, stainless SD screws or bolts to achieve the same upload performance

    $201.55

  • AC6SS 6 x 6 Adjustable Post Cap Pair, 18 Gauge, Stainless Steel; AC6SS 6 x 6 Post Cap Installed with nails

    Simpson AC6SS 6 x 6 Adjustable Post Cap - Stainless Steel

    1 review

    T connection. Provides a connection between a beam and a post with one cap- 2 pcs required per cap. Made in the USA Type 316 Stainless Steel for ultimate corrosion resistance Install with specified stainless steel fasteners

    $45.05

  • Simpson BC4SS, 4x Post Cap, stainless steel

    Simpson BC4SS 4 x 4 Dual Post Base/Cap - Stainless Steel

    Made in the USA Type 316 Stainless Steel for ultimate corrosion resistance Dual purpose post cap/base for light cap or base connections Install with specified stainless steel fasteners

    $57.85

  • ACE40SS 4 x 4 Post End Cap Pair, Stainless Steel

    Simpson ACE4SS 4 x 4 Post End Cap (pair Left & Right) - Stainless Steel

    For end cap connection, providing connection between a beam and a post. Made in the USA Type 316 Stainless Steel for ultimate corrosion resistance Sold in pairs Install with specified stainless steel fasteners

    $40.70

  • Simpson CPT44SS, 4x4  concealed post base, stainless steel,

    4 x 4 Concealed Post Base, 316 Stainless Steel

    Ideal for 4x4 posts to be covered with PVC board post wrap systems 1" standoff height above concrete to prevent post rotProvides a clean, concealed lookSatisfies code requirements for posts that are exposed to weather, water splash or in basementsBox includes components to make the post connection in one box, *note anchors not includedContents: Knife Plate, Standoff base, 2 washers and 3 pinsCPT44SS is tested and load rated for uplift, download and lateral load

    $207.00

  • LCE4SS Light Post Cap Pair, 20 Gauge, Stainless Steel; LCE4 Post Cap Pair Installed with nails

    Simpson LCE4SS Light Post Cap - Stainless Steel

    For end cap connection, providing connection between the end of beam and a post. Provides maximum versatility. May be used for various size member(beam) and end post size connections Requires 2 pieces per cap. Made in the USA Type 316 Stainless Steel for ultimate corrosion resistance Install with specified stainless steel fasteners

    $30.95

  • AC4SS 4 x 4 Adjustable Post Cap Pair, 18 Gauge, Stainless Steel; AC4SS 4 x 4 Post Cap Installed with nails

    Simpson AC4SS 4 x 4 Adjustable Post Cap- Stainless Steel

    T connection. Provides connection between a beam and a post with one cap- 2 pieces required per cap Made in the USA Type 316 Stainless Steel for ultimate corrosion resistance Install with specified stainless steel fasteners

    $30.60

  • Simpson BC40SS 4x Post Base, stainless steel

    Simpson BC40SS 4 x 4 Half Base - Stainless Steel

    Made in the USA Type 316 Stainless Steel for ultimate corrosion resistance Post base, light gauge for light duty connections Install with specified stainless steel fasteners

    $40.50

  • ABU88SS 8 x 8 Adjustable Post Base, 14 gauge, Stainless Steel; ABU66 6 x 6 Adjustable Post Base, Installed with Nails

    Simpson ABU88SS 8 x 8 Adjustable Post Base - Stainless Steel

    Made in the USA Type 316 Stainless Steel for ultimate corrosion resistance The ABU series are adjustable post bases with uplift. They have a 1” standoff for the post to help prevent end rot and are designed for maximum uplift performance New concrete- May be fastened to new (wet) concrete with embedded specified stainless anchors Cured Concrete- Use specified wedge anchor, Titen HD® concrete screw or cast-in-place stainless steel threaded stuf set with specified acrylic or epoxy adhesive. May be fastened to stirrup with specified nails, stainless SD screws or bolts to achieve the same upload performance

    $626.50

Purpose & Benefits

Post caps attach beams directly to concrete for structural stability. Stainless steel post caps are used to provide a secure connection between a beam and a post.

All of our post bases and post caps are supplied by Simpson Strong-Tie. Their precision-engineered products are field-tested and code-compliant.

Simpson post caps and bases:

  • Are made with 316 Stainless Steel to prevent corrosion in moist and corrosive environments
  • Are appropriate for new or retrofit applications
  • Come with pre-punched holes that simplify installation
  • Are compatible with stainless steel fasteners including nails, screws, and anchors
  • Made in the USA

Support for Contractors

These post caps and bases are designed for standard post sizes (4x4, 6x6, etc.). They offer an easy fit and alignment to assist experts and novices alike.

Who It’s For:

Our post caps and bases are ideal for contractors, carpenters, and deck builders. Shop now if you need reliable hardware for framing and structural support.

We also recommend our products for homeowners. If you want professional stability and corrosion resistance for decks, choose our post caps and bases.

Common Applications:

  • Deck framing and support posts
  • Pergolas and pavilions
  • New or retrofit applications

Shop Manasquan Fasteners

Manasquan Fasteners proudly provides Simpson Strong-Tie® connectors. These products are trusted for their precision, strength, and code compliance. We carry stainless steel options with corrosion resistance that are built to last in humid regions.

Enjoy access to quality products and amazing customer service with Manasquan Fasteners. Our fast shipping reaches all 50 states, including Alaska and Hawaii. We even offer free shipping on orders over $199! Manasquan Fasteners in New Jersey serves professionals and homeowners with our expert guidance.

With our comprehensive selection of stainless steel fasteners, nails, and screws, there's no better place to shop. Browse nail gun nails, hidden deck fasteners, and so much more today!

Shop Simpson Post Caps & Bases at Manasquan Fasteners

Manasquan has a full selection of Simpson Strong-Tie® stainless steel post bases and post caps. Shop Simpson Strong-Tie® post caps and bases engineered for lasting strength.

Order now for fast shipping across the United States.

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