18 Pc HSS Tap & Drill Set UNF Unified National Fine

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18 Pc HSS Tap & Drill Set UNF Unified National Fine?

Supplied in Metal Index Case with Tap & Drill Chart

6 - 40 Tap, #33 Drill
8 - 36 Tap, #29 Drill

10 - 24 Tap, #25 Drill
10 - 32 Tap, #21 Drill

1/4'' - 28 Tap, #3 Drill
5/16'' - 20 Tap, #F Drill

3/8'' - 24 Tap, #Q Drill
7/16 - 20 Tap, 25/64'' Drill

1/2 - 20 Tap, 29/64'' Drill

Part Number TAPD-18UNF