SNAP'n SAFE Surface Mount Breakaway Anchor For Square Post

SNAP'n SAFE Surface Mount Breakaway Anchor For Square Post

For concrete surfaces only
SNAP'n SAFE Surface Mount Breakaway Anchor For Square Post
Item #:
  • NCHRP 350 Approved
Other configurations of this product
For concrete surfaces only.
Pricing See Complete Pricing Tables Y3542-2SQSMB
Price Each:
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Total Price: $152.65
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Special freight arrangements are necessary. Learn more

SNAP'n SAFE Surface Mount Breakaway Anchor For Square Post is an NCHRP 350 compliant breakaway base that is designed with a 360° shear point that will prevent the square sign post from striking and penetrating the windshield or roof of a vehicle when impacted during a collision. This product is most ideal in parking garages, parking lots, and other locations where installing an anchor post is not suitable.

After impact the upper section of the SNAP’n SAFE remains inside the post. Unfasten hardware and SNAP’n SAFE can be removed easily. Once impacted, the entire SNAP’n SAFE breakaway has to be replaced. Replacement of sign post depends on impact conditions.

This base is available for 1-3/4" sign posts or 2" sign posts, and the is intended for concrete surfaces only. It is not to be used on asphalt surfaces due to structural integrity issues with asphalt. The 1-3/4" base weighs 8 lbs. and the 2" base weighs 9 lbs. They are both made of cast gray iron, 80% of which is recycled material. They can also withstand winds of up to 120 mph. All ground mounting and post mounting hardware is included.

7″ Base For 1¾″ Square Posts
Material Sku Quantity/Price
Cast Gray Iron Y3542-175SQSMB $155.30
7″ Base For 2″ Square Posts
Material Sku Quantity/Price
Cast Gray Iron Y3542-2SQSMB $152.65
Special Freight Arrangement: Due to the size of this product, freight shipping will be required. You may contact our customer service team for a quote or you can place your order and a customer service representative will contact you about freight shipping charges. If you would like to use your own freight carrier, please include your freight carrier account in the special instructions box at the bottom of the checkout page before placing your order. A customer service representative will be in contact with you if there are any questions.

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SNAP'n SAFE™ Square Post Surface Mount Breakaway

This SNAP'n SAFE™ Breakaway Device is made of cast gray iron, and withstands winds of 120 MPH. Made from 80% recycled materials.

Round post surface mount snap'n safe breakaway system 2-3/8" Round post surface mount snap'n safe breakaway system


Installation instructions are included with every SNAP'n SAFE square post surface mount breakaway device. It is recommended that this breakaway be installed in concrete surfaces only due to the strength of concrete as compared to asphalt.

Tools required:

  1. ½″ socket and ratchet wrench
  2. 9/16″ socket and ratchet wrench

Installation instructions:

  1. Remove any burrs or imperfections from the inside of the sign post.
  2. Check hole location of the sign post and anchor post. The bottom hole of the sign post must be ½″ on center (+/- ⅛″) from the end of the sign post.
  3. Determine the location for the surface mount coupler.
    (Please note that all bolts must be at least 5 inches from all concrete edges.)
  4. Place surface mount coupler on the concrete surface and place the sign post on top of the coupler. Using a level, determine if any washers are needed under the base at the hole location to level out the sign post.
  5. Using the surface mount coupler as a template, mark the location of the three (3) holes to drill. With a ⅜ inch drill bit, drill three (3) holes at least 4½″ deep. It is not necessary to blow the holes out or clean them out.
  6. Clean off concrete surface and align the coupler with the holes. Place any necessary washers under the base as determined in Step 4.
  7. Put one (1) washer on each bolt and install the three (3) bolts. (DO NOT tighten all the way until you are certain that the base is level and all three (3) hole locations are firmly resting on the washers or concrete.)
    Note: The bolts are carbon steel and are extremely hard. They have a 3,800 pound pull-out strength.
  8. Slide the sign post over the SNAP'n SAFE surface mount coupler and attach with the (2) corner bolts. Use the 2nd and 3rd hole in the sign post for proper alignment. Fasten (1) washer and (1) nut on each corner bolt. Secure hardware evenly by tightening each nut in an alternating pattern.
    Note: Corner bolts must be installed on the same side of the post. MAX TORQUE = 21 FT LBS.


Assembly of SNAP'n SAFE Square Post Breakaway Coupler

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