PAGE 1/1 ZAPP TOOLING ALLOYS INC. | CASE STUDY THREAD ROLLING DIE TOOL TYPE Thread Rolling Die WORK MATERIAL Rebar at 2 1/8" diameter ORIGINAL TOOLING MATERIAL D2 at RC 59 PROBLEM IDENTIFICATION The D2 thread roll dies experienced premature wear. Efforts to harden the D2 beyond Rc 59 resulted in catastrophic failure with the dies splitting from the OD to the ID. SOLUTION Z-Wear PM ® heat treated to RC 62 TOOLING ALLOYS Zapp Tooling Alloys Inc. 475 International Circle Summerville, South Carolina 29483 Phone: 1 888 928 9927 1 843 871 2157 ztasales@zapp.com Zapp Tooling Alloys Inc. 1528 St. Paul Avenue Gurnee, Illinois 60031 Phone: 1 888 928 9927 1 843 871 2157 ztasales@zapp.com RESULTS D2 thread roll dies were used to th

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