81109928

Tap: 6-32 - 1/2-20; Drill: 5/16 - 29/64, F, I, Q, #3 - #36

HSS

NC: 6-32, 8-32, 10-24, 12-24, 1/4-20, 5/16-18, 3/8-18. 7/16-14, 1/2-13 NF: 6-40, 8-36, 10-32, 12-28, 1/4-28, 5/16-24, 3/8-24, 7/16-20, 1/2-20

Tap/Drill Chart

36

Metal Index Case & Tap/Drill Chart