5/16" Nylon Washers (Box of 100)

Dimensions: Fits 5/16" bolts

Finish: Nylon

Count: 100 count per box

Install nylon washers in front, on face of sign to protect the reflective finish and keep the bolt head away from sign face, quantity 100

All of our signs are designed to meet the Manual on Uniform Traffic Control Devices (MUTCD) specifications and are manufactured on D.O.T. Alodined Aluminum with 3M Scotchlite™ Reflective Sheeting. These reflective signs will not fade or chalk like some of the plain baked enamel and plain vinyl signs marketed by other sign companies. Our signs last 7-10 years in Florida UV and sunlight, are washable, completely recyclable, environmentally friendly and REFLECT at night.

Engineer Grade Sheeting (Good): 

3M™ Engineer Grade Reflective Sheeting Series 3200
3M™ Engineer Grade Reflective Sheeting. These films meet ASTM® D4956 Type I and are an enclosed lens, pressure sensitive adhesive-coated reflective sheeting with an easy release liner, intended for production of non-critical traffic signs and pressure sensitive stickers.

• Permanent, engineer grade, retroreflective film
• Use in commercial and non-critical traffic signs and decals
• Meets ASTM D4956 Type I specifications

Common Uses:

• Non-Critical Traffic Signs
• Parking Lot Signs
• Commercial Signs

Prismatic Sheeting Info (Better):

3M™ High Intensity Prismatic Reflective Sheeting Series 3930
3M™ High Intensity Prismatic Reflective Sheeting Series 3930 with pressure sensitive adhesive is designed for use on durable traffic control signs, work zone signs and delineators. 3M™ High Intensity Prismatic Reflective Sheeting Series 334/336 is available in pre-striped orange and white for all your barricade needs.

• It meets all FHWA guidelines.
• Meets ASTM D4956 Type III and Type IV specifications.
• Tougher topcoat provides improved scuff, scratch and gouge resistance and increased durability for the demanding need of the work zone.
• Vivid daytime colors provide 24-hour performance with increased daytime visibility.
• The improved optical package increases nighttime visibility.

Common Uses:

• Traffic control signs
• Street name signs
• Parking Signs

Diamond Grade Sheeting DG3 Type XI (Best):

3M™ Diamond Grade™ DG³ Reflective Sheeting Series 4000
3M™ Diamond Grade™ Reflective Sheeting offers industry-leading retroreflectivity, conspicuity and legibility because of its highly efficient retroreflective optics. It helps improve safety by providing higher luminance values at distances most critical to drivers.

• Full-cube, micro prismatic optics are nearly 100% efficient, resulting in sheeting that returns 58% of available light--double the efficiency of truncated cube corners.
• Accommodates visual needs of older drivers
• Performs at high observation angles and wide entrance angles
• Helps overcome reduced sign illumination from VOA headlights
• Offers excellent life-cycle value
• Short, medium and long sight distances
• Disadvantaged sign placement locations such as overhead or left shoulder

Common Uses:

• Short, medium and long sight distances
• Disadvantaged sign placement locations such as overhead or left shoulder
• Traffic control signs
• Critical action signs
• Street name signs
• Overhead guide signs

Aluminum Information:

Our Aluminum Sign Blanks are available in .063”, .080", & .125” gauge aluminum and feature radius corners and two 3/8" mounting holes in accordance with the Federal Standard Highway Signs Manual. Alodized Aluminum Blanks are bare metal that has been chemically treated to meet ASTM B 499 specifications as pre-treatment for paint or sheeting applications.