7/16” x 18 BSF Thread Repair Cutter Kit Helicoil Set for Damaged Threads 14pc

7/16" x 18 BSF thread repair kit. • 10 x 7/16 x 18 BSF inserts. Stainless steel helicoil for maximum strength and durability. INSTALL THE INSERT – place insert on installation tool and position the adjustable ring so that the insert tang is centred on the tang slot.

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