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PENNENGINEERING CLA-M4-1
CLA-M4-1,PENNENGINEERING,TYPE CLA ALUMINUM NUTS ARE RECOMMENDED FOR USE IN ALUMINUM SHEET WITH A HARDNESS OF HRB 50 OR LESS ON THE ROCKWELL
CLA-M4-1 BY PENNENGINEERING IS A TYPE CLA ALUMINUM NUT DESIGNED FOR USE IN ALUMINUM SHEETS WITH ROCKWELL HARDNESS HRB 50 OR LESS PROVIDING STRONG RELIABLE FASTENING IN LIGHTWEIGHT ASSEMBLIES.