GEARWRENCH 3/8 x 16 NC Plug Tap - 388711N - - Amazon.com
1pc Left Hand Metric Thread Tap Hss Screw Tap Drill Bit M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 Machine Straight Shank Plug Tap - Tap & Die - AliExpress
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Century Drill & Tool Tap-Plug, Carbon Steel 5/8-18 National Fine 95116 - Advance Auto Parts
5 Metric Machine Hand Screw Thread Plug Tap Set M3 M4 M5 M6 M8 Tapping Threading | eBay
US Stock HSS 18mmx1.5 Metric Taper & Plug Tap Right Hand Thread M18x1.5mm Pitch | eBay
Drill America 3/4 in. -10 High Speed Steel Plug Tap (1-Piece) DWT54839 - The Home Depot
Metric Plug Tap, 14mm x 2.0 | True Value
Amazon.com: Alfa Tools CSHTS70532 1/4-20 Carbon Steel Hand Tap Set Taper/ Plug/Bottom : Industrial & Scientific
Drill America 9/16"-18 UNF High Speed Steel Plug Tap, (Pack of 1): Amazon.com: Industrial & Scientific
GEARWRENCH 9/16 x 18 NF Plug Tap - 82857N - - Amazon.com
1/4"-20 UNC Spiral Point Plug Tap, 2 Flute, H3, Bright Finish | K.L. Jack