1/2" - 12 TPI USA Thread Right Hand Die ABBOTT: Amazon.com: Industrial & Scientific
Amazon.com: Burkit 1-1/4"-12 UNF Thread Tap Left Hand, HSS 1-1/4 x 12 UNF Straight Fluted Machine Tap : Industrial & Scientific
Amazon.com: 1-1/4" - 12 UNEF HSS Machine Tap, Right Hand Thread Tap, Plug Tap : Industrial & Scientific
Quality Woodworking Lathe Headstock Spindle Adapter ((FT 1'' X 12 TPI TO MT M33 X 3.5)) - Amazon.com
Amazon.com: Burkit 3/8"-20 UN Tap and Die Set, 3/8 x 20 UN Machine Thread Tap and Round Die Right Hand : Industrial & Scientific
Amazon.com: MaxTool 9/16-12 Hand Thread Taps Set Including Taper+Plug+Bottom HSS M2 Taps Set 12 TPI FULLY GROUND RIGHT HAND; HSF02W00R036 : Industrial & Scientific