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The C.H. HANSON 21251D is a heavy duty individual steel letter stamp designed to permanently mark metal, wood, plastic, and other hard surfaces with the character D at a 5/8 inch character size. Built for repeated use in industrial and trade environments, this stamp delivers clean, consistent impressions. The tool measures 3.75 inches in length and 0.75 inches in width and height, giving technicians and tradespeople a solid grip and accurate strike face. At 0.56 pounds, it is heavy enough to seat firmly yet light enough for extended use. Steel construction ensures durability under hammer impact across high-volume marking tasks.
This stamp is suited for fabrication shops, maintenance departments, tool cribs, and field service operations where permanent part identification, lot marking, or traceability is required. It is commonly used by pipefitters, millwrights, machinists, and metal fabricators to stamp identification codes onto pipe, flanges, plates, and structural components. The 5/8 inch character size is a popular choice for applications where legibility on curved or flat metal surfaces is critical.
Designed as a standard individual letter stamp for use in any heavy duty steel stamp set or as a standalone replacement character in industrial marking applications.
A licensed or qualified tradesperson should secure the workpiece firmly before striking to prevent slippage and ensure a clean impression. Use a ball-peen or engineer's hammer of appropriate weight for the material being stamped. Always wear eye protection when striking steel stamps. Do not strike the stamp at an angle, as this can cause partial impressions or accelerate wear on the stamp face.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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