Diehl Steel offers processed custom centerless ground and hollowbar steel products in standard and non-standard sizes, finished to customer specified tolerances. By delivering a more finished product, Diehl Steel saves its customers processing and preparation time.

Hollowbar from Diehl Steel is available as a tool steel, alloy steel, CPM powder metal or high speed steel and is produced to customer's size specifications. The required size will be machined with an oversize tolerance to finish to the specified outside diameter (OD) and machined undersize to finish to the specified inside diameter (ID). Material will also be saw-cut oversize to finish to the customer's length and thickness requirements.