1/2" x 20 tpi (fine pitch). Imperial SAE re-threading / thread cleaning repair die.
1/4" x 20 tpi SAE Imperial UNC coarse re-threading thread repair cleaning tap
7/16" x 20 tpi SAE Imperial UNF fine re-threading thread repair cleaning die
7/16" x 20 tpi SAE Imperial UNF fine re-threading thread repair cleaning tap
Imperial SAE UNC 1/4" x 20 tpi re-threading thread repair cleaning die
20 x 17mm TPi Alloy Wheel Nut Bolt Covers Caps Universal Set BLACK
UPWOOD Air Belt Sander, 20 x 520mm Pneumatic Tool with 12 Belts (#40, #60, #80, #120), for Deburring, Sanding, and Finishing (3/4" x 20-1/2" Belt Sander)