Amazon.com: Aceteel M20 x 2.0 Metric Tap and Die Set, M20 X 2.0mm HSS Machine Thread Tap and M20 X 2mm Alloy Tool Steel Round Thread Die Right Hand : Industrial &
Amazon.com: 20mm X 1.5 Taper and Plug Tap M20 X 1.5mm Pitch : Industrial & Scientific
Amazon.com: 20mm X 1 Metric Right Hand Round Die, Machine Thread Die M20 X 1.0mm Pitch(Alloy Tool Steel Material, not HSS) : Industrial & Scientific
Amazon.com: Steel Hex Nut, Plain Finish, Class 10, DIN 934, Metric, M20-2.5 Thread Size, 30 mm Width Across Flats, 16 mm Thick (Pack of 25) : Industrial & Scientific
Amazon.com: HSS 20mm x 1.5 Metric Die Left Hand Thread M20 x 1.5mm Pitch : Tools & Home Improvement
Amazon.com: M20 x 1.75 mm Pitch Metric Right Hand Thread Die ABBOTT : Industrial & Scientific