5/16-18 x 3/8 Knurled Set Screw Material:Steel Zinc The base may be bolted

The base may be bolted onto concrete or asphalt roadway surfaces and will allow you to install a round traffic sign post without breaking a hole in the roadway

MUTCD Sign Designation: W1-10R

W1-2L Curve Left Sign

Regressed sign area helps to protect sign faces

MUTCD Sign Designation: D11-2

5/16-18 x 3/8 Knurled Set Screw Material:Steel Zinc The base may be bolted5 16 18 Knurled Set Screw Zinc VCB243 Used to secure a street name sign in an aluminum casting. Sold by Package 100 Package Features: Knurled Point: Resists vibration. Zinc Plated: Good on corrosion. Tech Specs: Material: Steel, Heat Treat Finish: Zinc Plate Diameter: 5 16 18 Length: 3 8"