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Amazon.com: IRWIN Drill And Tap Set, 4 - 40 NC Tap and No. 43 Drill Bit (80209) : Industrial & Scientific
![SOLVED: Can someone help me fill out this table Number of Threads per Inch UNF or UNC Tap Selected Nominal Size Tap Drill? Which Index? 4-40 3/8-24 1/2-20 6-32 1/4-20 4-48 10-24 SOLVED: Can someone help me fill out this table Number of Threads per Inch UNF or UNC Tap Selected Nominal Size Tap Drill? Which Index? 4-40 3/8-24 1/2-20 6-32 1/4-20 4-48 10-24](https://cdn.numerade.com/ask_images/060995ddf1224528972beb28d8610709.jpg)
SOLVED: Can someone help me fill out this table Number of Threads per Inch UNF or UNC Tap Selected Nominal Size Tap Drill? Which Index? 4-40 3/8-24 1/2-20 6-32 1/4-20 4-48 10-24
![Amazon.com: IRWIN Drill And Tap Set, 4 - 40 NC Tap and No. 43 Drill Bit (80209) : Industrial & Scientific Amazon.com: IRWIN Drill And Tap Set, 4 - 40 NC Tap and No. 43 Drill Bit (80209) : Industrial & Scientific](https://m.media-amazon.com/images/I/21YqXikww3L._AC_UF894,1000_QL80_.jpg)
Amazon.com: IRWIN Drill And Tap Set, 4 - 40 NC Tap and No. 43 Drill Bit (80209) : Industrial & Scientific
![Century Drill & Tool 4-40 National Coarse Carbon Steel Tap-Plug and #43 Wire Gauge Drill Bit - Brownsboro Hardware & Paint Century Drill & Tool 4-40 National Coarse Carbon Steel Tap-Plug and #43 Wire Gauge Drill Bit - Brownsboro Hardware & Paint](https://3174-cdn.doitbest.com/Data/ItemImage-328421-q5vsel-dj2noo-bckptp.jpg?AutoCrop=1&CropHeight=1440&CropWidth=1440&Height=1440&Padding=1&Quality=50&Resize=Auto&Revision=gq2q&Timestamp=8rYgQG&Width=1440)
Century Drill & Tool 4-40 National Coarse Carbon Steel Tap-Plug and #43 Wire Gauge Drill Bit - Brownsboro Hardware & Paint
![Amazon.com: IRWIN Drill And Tap Set, 4 - 40 NC Tap and No. 43 Drill Bit (80209) : Industrial & Scientific Amazon.com: IRWIN Drill And Tap Set, 4 - 40 NC Tap and No. 43 Drill Bit (80209) : Industrial & Scientific](https://m.media-amazon.com/images/I/61-RB4AnUBL._AC_UF894,1000_QL80_.jpg)
Amazon.com: IRWIN Drill And Tap Set, 4 - 40 NC Tap and No. 43 Drill Bit (80209) : Industrial & Scientific
![Amazon.com: SAE Tap Drill Chart and Metric Tap Drill Chart, 5.5inchx8.5inch : Industrial & Scientific Amazon.com: SAE Tap Drill Chart and Metric Tap Drill Chart, 5.5inchx8.5inch : Industrial & Scientific](https://m.media-amazon.com/images/I/51fcfUF4esL._AC_.jpg)