TAPS

1
TAPS
Purpose Taps are used to cut internal threads
within a drilled hole. Taps are selected by
diameter, and number of threads per inch.
Location of taps
Available tap sizes diameter is in bold,
followed by threads per inch

• Instructions
• Select diameter, and threads per inch of the
  desired thread.
• Consult Tap Drill chart to find proper drill bit
  sized for thread.
• Select cutting speed by using the Cutting Speed
  Chart
• Drill hole.
• If the hole is through the material, use a
  tapered tap to cut the threads.
• If the hole is not through, use a bottoming tap
  to cut the threads.

2 -56 10 -32 3/8 -24 5/8 -11 1 -8
4 -40 1/4 -20 7/16 -14 5/8 -18 1 -14
5 -40 1/4 -28 7/16 -20 3/4 -10 1 1/8 -7
6 -32 5/16 -18 1/2 -13 3/4 -16 1 1/8 -12
8 -32 5/16 -24 1/2 -20 7/8 -9 1 1/4 -7
10 -24 3/8 -16 9/16 -12 7/8 -14
1/16 1/4 1/2 1
1/8 3/8 3/4
Available NPT standard pipe taps
Purchasing Instructions
Last updated June 9, 2004