Tamperproof One Way Bolt Set - Y4900 and Y4901, Mounting Hardware by SafetySign.com

Tamperproof One Way Bolt Set

Use with any U-channel and Fiberglass Posts
Tamperproof One Way Bolt Set
Item #:
Y4900 and Y4901
Learn More Size:
Learn More
Material:
Packaging:
Pricing See Complete Pricing Tables Y4900
Quantity
Price Each:
1+
$3.75
Need a quote for a large order? Call 800-274-6271 or .
Qty:
Total Price: $3.75
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Special freight arrangements are necessary. Learn more
5/16 x 2″
Material Sku Quantity/Price
1+
Aluminum Y4900 $3.75
5/16 x 2½″
Material Sku Quantity/Price
1+
Aluminum Y4901 $3.95
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.

Phone: 800-274-6271
Fax: 800-279-6897
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Every Tamperproof One Way Bolt Set contains two brackets and two one way bolts (5/15 x 2 inch) for U-channel posts and signs with 3/8 inch diameter holes.

  • Compliance
  • Size
  • Material

TAMPERPROOF BOLTING SET

TAMPERFROOF BOLTING SET SIZES AND RECOMMENDED USE

5/16" Aluminum bolts in 2 different lengths.

Each sets includes:
2 - Carriage Bolts (full thread)
4 - Washers (2 nylon / 2 steel)
2 - Break Away Nuts

Mounting Bolts for Parking and Traffic Signs Mounting Bolts for Parking and Traffic Signs
Which posts can I use your bolts with? 5/16 x 2" 5/16 x 2-1/2"
4 ft U-Channel Post (2 lb/ft) No Yes
6 ft U-Channel Post (1.1 lb/ft) Yes No
8 ft U-Channel Post (2 lb/ft) No Yes
10 ft U-Channel Post (2 lb/ft) No Yes
12 ft U-Channel Post (2 lb/ft) No Yes
7 ft Fiberglass Post Yes No
8 ft Fiberglass Post Yes No
Is it possible to have a Double Sign Configuration? Possible with 6 ft and Fiberglass Posts Yes

Installation Process when Mounting Signs

If you are mounting signs to a U-Channel Post, the following
mounting hardware is required.
  • 1 U-channel post, sizes range from 4ft to 12ft,
    either Green or Galvanized finishes.
  • 1 Tamperproof Set (Part# Y4900 or Y4901)
    Set includes washers, one way bolts and break away nuts.
  • 1 Pair of Ribbed Plates (optional) Part# Y4915
  • Please follow the installation steps shown on the illustration.
Tamperproof Mounting Bolts
Click on image to Zoom
Click on the link to view Post Installation Guidelines
Oneway Bolts and Break Away Nuts Oneway Bolts and Break Away Nuts
Size Diameter Length Available Materials
5/16 x 2″ 5/16″ 2″
  • Aluminum
5/16 x 2½″ 5/16″ 2½″
  • Aluminum
Material Available
Sizes
Aluminum A lightweight durable metal material that will not rust, chip or crack. It's ability to resist corrosion makes it one of the best materials for outdoor use.
  • 5/16 x 2″
  • 5/16 x 2½″
 
None
Engineering Grade
High Intensity Prismatic
Diamond Grade
  NoneEngineering GradeHigh Intensity PrismaticDiamond Grade
ATSM D956 Type Type I Type IV Type IX
Brightness Standard Material 3x More 10x More
Night-Time Visibility 500' 1,000' 1,500'
Reflectivity
     
     
     
     

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