6-32 UNC Die Round Adjustable Split Threading Die 13/16” OD Inch Thread HSS #6 | eBay
Greenlee High Speed Steel Drill and Tap Bit 6-32 1 pc - Ace Hardware
Amazon.com: SAE Tap Drill Chart, Metric Tap Drill Chart and Thread Thru Hole Chart Cards. 5.5"x8.5" Water and Tear Resistant Cards. Set of 3 Cards. : Industrial & Scientific