3/8"-16 UNC HSS Plug Tap and 5/16" HSS Drill Bit Kit, Qualtech | POU3/8-16 | DrillsandCutters.com
3/8"-16 UNC HSS Bottoming Tap, Tap America | T/A54584 | DrillsandCutters.com
Drill America 3/8 in. - 16 High Speed Steel Left Hand 3-Flute Tap with Spiral Point DWTG3/8-16LH - The Home Depot
3/8"-16 High Speed Steel Plug Tap and 5/16" High Speed Steel Drill Bit - Walmart.com
Alfa Tools I 3/8-16 Super High-Speed Steel Ground Thread Tap
Century 3/8-16 Tap & 5/16 Drill - Whatchamacallit Tools
uxcell 3/8-16 UNC Straight Flute Thread Tap and 7.9mm Twist Drill Bit Set, M35 Cobalt High Speed Steel Machine Threading Tap Drilling Tool for Stainless Steel - Amazon.com
TAP + DRILL BIT 3/8-16 NC + LETTER O - Tap And Die Sets - Amazon.com
3/8"-16 High Speed Steel Plug Tap and 5/16" High Speed Steel Drill Bit - Walmart.com
3/8-16 UNC Hand Tap Taper GH3 Limit 4 Flute HSS Taper Chamfer Bright Threading | eBay
3/8"-16 UNC HSS Tap Set, Tap America | T/A54587 | DrillsandCutters.com