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33PCS RIVET NUT TOOL HEAD SET CHOOSE THE THREAD-SIZE GROUP YOU NEED This listing is for rivet-nut tool heads and matching nut inserts. It is intended for a compatible hand rivet-nut tool; the main tool handle is not shown as included. VARIATION OPTIONS • M3/M4/M5 Set — 33 pieces per set• M6/M8/M10 Set — 33 pieces per setSelect the thread-size group that matches your existing tool and required insert size. WHAT THE PRODUCT PHOTOS SHOW • Tool heads/mandrels marked M3, M4, M5, M6, M8 and M10• Matching flanged rivet-nut inserts• Finish and component style as shown in the product images HOW IT IS USED A rivet-nut insert is placed into a pre-drilled hole in suitable sheet material, then compressed with a compatible rivet-nut tool to create a threaded mounting point. Use the matching tool head and insert size; test on scrap material first. BEFORE ORDERING Confirm your tool’s connection style, the required thread size, insert body diameter and suitable drill-hole size before ordering. This set does not make an incompatible tool fit, and it is not a substitute for a complete rivet-nut tool. PACKAGE 1 × selected 33-piece tool-head and rivet-nut insert set.