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2 1/2" Utility Markers for Concrete (Bronze)

1 - 10
11 - 24
25 - 99
100 or more
All prices USD
Availability: In Stock
NO CHARGE for stamping 11 or more markers. There is a $35 setup charge for stamping fewer markers.
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Please enter the text you would like printed in the text boxes provided below:
Outside Row
Total of 34 characters and spaces.
Centered at 12 o'clock:
Centered at 6 o'clock:
Inside Row
Total of 40 characters and spaces.
Centered at 12 o'clock:
Centered at 6 o'clock:
Please select the center mark for this cap:
Surveying Center Marks
Utility Center Marks

Product Details

Protect your buried facilities from damage

Berntsen Concrete Utility Warning Markers

Berntsen Concrete Utility Warning Markers are a perfect defense against damage to buried facilities.

The bronze "C" style markers are the equivalent of the Corps of Engineers Type 1 disc, and can be customized online with your imprint. The C style is a one-piece forged marker made with a split-style flared solid stem.

These markers can be placed in either wet concrete or drilled and epoxied into existing concrete.

Brass Alloys

Brass has been used in the manufacture of survey monuments and markers for many years. Iron pipe monuments with brass caps were used by federal government surveyors as early as the first part of the 20th century. Certain brass alloys, notably those with a high lead (a hazardous material) content, equal or greater than five (5) percent, are now viewed as archaic metals. Alloys that are typically used in survey monument components were Leaded Semi-Red Brass 81-7-9 (7 percent lead) and Leaded Red Brass 85-5-5 (5 percent lead). Few customers require these alloys for any reason other than tradition. 

Berntsen’s Better Way

Berntsen pioneered the introduction of non-leaded brass alloys for survey monuments and markers in the mid-1980’s. Through our continued research and testing we have found that brass or bronze alloys containing high amounts of coppers, provide the best characteristics in corrosion resistance, strength and durability. We now exclusively use silicone bronze alloy (97 percent copper, 2 percent silicon) for our cold forged survey markers and caps. In an independently conducted test, Berntsen’s silicon bronze cap was found to have essentially no corrosion after 240 hours of salt spray per ASTM B-117-16.

Customize your Warning Markers online

Customize your Warning Call Before Digging markers online.

Do you have a company logo or "811" call before you dig logo you would like to use? Berntsen will also assist you with your custom logo. We accept digital artwork via email or disk in the following formats, .dxf, .dwg, .tif, .jpeg (.tif & .jpeg minimum of 150 dpi).

Call us toll-free at 1-800-356-7388 or email us at [email protected] with your custom logo needs. We would be happy to help you design your concrete marker.



A = 2 1/2" (64 mm)
B = 23/32" (18 mm)
C = 3 1/8" (79 mm)
D = 7/8" (22 mm)


Countersink Drill Bit Video for Berntsen Concrete Markers


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Berntsen International, Inc.
  • 1-800-518-0934
  • All other countries:
  • +1-608-249-8549
  • PO Box 8670
  • Madison, WI 53708-8670
We accept VISA, Master Card, American Express and Discover Card.