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Drill America 5/8 in.-11 Carbon Steel Left Hand Hex Re-Threading Die DWTHX5811LH - The Home Depot
High Quality 1/2" - 28 Tpi Unef Hss Titanium Coated Thread Tap & Round Thread Die Set Mayitr Right Hand Thread Cutting Tool - Tap & Die - AliExpress
Amazon.com: Burkit 1-1/2"-12 UNF Round Threading Die, 1-1/2 x 12 UNF Machine Thread Die Right Hand : Industrial & Scientific
UNF - Unified National Fine Circular Split Dies (ISO 263)3/8"x24 UNF x1.1/2" OD HS DIE - Presto International UK Limited
DIE 1/2"-26 BSB (WHIT FORM 55) - British Tools & Fasteners
Cleveland C65611 1/2-20 Unf Hex Carbon Steel Rethreading Threading Die
2pcs Unified Hand Tap And Die Set Unc 1/2 1/2-13 Thread Dies Taps Unf Uns 1/ 2-14 1/2-16 1/2-18 1/2-20 1/2-24 1/2-28 1/2-40 -36 - Tap & Die - AliExpress