[5 & 16 -18 NC Tap & Bit (17 & 64 )]
[7 & 16 -20 NF Tap & 25 & 64 Bit]
[7 & 16 -14 NC Tap & 3 & 8 Bit Set]
[5 & 16 -24 NF Tap and Bit Set (9 & 32 )]
[1 & 4 -20 NC Tap & 13 & 64 Bit Set]
[1 & 2 -20 NF Tap & 29 & 64 Bit]
Matching Bit And Tap Provide Proper Hole Size For Easier Tapping And Stronger Threads. 5/16"-24 NF tap and 9/32" bit set. Easy installation.