Butler Thread Chaser, 1/4-20 in, 5/16-18 in, 3/8-16 in, 7/16-14 in and 1/2-13, 9/16-12 in Male Thread, Steel, Universal, Set of 6

Thread cleaning chaser sets are designed to clean dirty holes.

【Well-Made 42PCS Thread Chaser Set】The thread chaser kit has the most common sizes in UNC, UNF, and metric. Cleans internal and external threads. The

CMTOOL Thread Chaser Set 42PCS Thread Repair Kit Rethreading Kit in UNC UNF Metric Size Thread Chaser Thread Restorer Kit 1/4 5/16 3/8 7/16 1/2 9/16

Steelman 9/16-18 SAE Split Die Thread Chaser, Indexing Pins, Steel, Repairs Threads on Wheel Studs and Bolts : Automotive

Steelman 7/16-20 SAE Split Die Thread Chaser 60380 - The Home Depot

Repair damaged threads - repair damaged threads on wheel studs, bolts, and other fasteners Prevent cross-threading - split die design allows repairs

Steelman 1/2-20 SAE Split Die Thread Chaser, Indexing Pins, Steel, Repairs Threads on Wheel Studs and Bolts

Butler Performance Inc. - Kits, Sets, & Misc Fasteners

1-14 Split Die Thread Chaser - Repair threads faster than ever!

Butler Performance Inc. - Misc Tools

Steelman 7/16-20 SAE Split Die Thread Chaser 60380 - The Home Depot

CMTOOL Thread Chaser Set 42pcs Thread Repair Kit Rethreading Kit in UNC UNF Metric Size Thread Chaser Thread Restorer Kit 1/4 5/16 3/8 7/16 1/2 9/16

Steelman 7/16-20 SAE Split Die Thread Chaser 60380 - The Home Depot

Threading Tools, Hand Tools, Automotive Tools & Supplies, Motors - PicClick