What size drill bit would I use to drill hole to then to a 1/4' tap to make threads? Would I be using a 1/4 drill bit or is a 7/32' better
Tap & Drill Size Guide
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UNJC Minor Ø Recommended Drill Size Ø Pitch (TPI) Min Max Drill Size Decimal (in) #4 40 .0877 .0942 2.30mm .0906 #5 40 .1007 .
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Made in USA - Combination Drill Tap: 1/4-28, H3, 2B, 2 Flutes, High Speed Steel - 82770280 - MSC Industrial Supply
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![1/4 Tap Drill Size [2024]](https://www.sawinery.net/wp-content/uploads/2022/07/14-tap-drill-size.png "1/4 Tap Drill Size [2024]")
1/4 Tap Drill Size [2024]
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BSW BSPP BSPT Pipe Tap Size Pitch (TPI) Drill Size (inch) Pitch (TPI) Drill Size (inch) Pitch (TPI) Drill Size* (inch) 1/16 60 0
Solved What tap drill diameter is recommended for a 1/4-28 | Chegg.com
