Welcome to Industrial Hardware & Specialties, Inc.

Industrial Hardware & Specialties, Inc. :: Pipe Tap Drill Sizes

Pipe Tap Drill Sizes

Error: Smarty error: [in evaluated template line 28]: syntax error: unrecognized tag: mso-displayed-decimal-separator:"\."; mso-displayed-thousand-separator:"\,"; (Smarty_Compiler.class.php, line 446) in /home2/industri/public_html/include/lib/smarty/Smarty.class.php on line 1094
Pipe Tap Drill Sizes | Industrial Hardware & Specialties, Inc.
PIPE TAP DRILL SIZES
TAP SIZE NPT TAP DRILL NPS TAP DRILL
 TPI = THREADS PER INCH INCH M/M INCH M/M
1/16  -  27 TPI D 6.25 1/4 6.35
1/8  -  27 TPI Q 8.45 11/32 8.75
1/4  -  18 TPI 7/16 11.00 7/16 11.50
3/8  -  18 TPI 9/16 14.50 37/64 15.00
1/2  -  14 TPI 45/64 18.00 23/32 18.50
3/4  -  14 TPI 29/32 23.00 59/64 23.50
1  -  11-1/2 TPI 1-9/64 29.00 1-5/32 29.50
1-1/4  -  11-1/2 TPI 1-31/64 38.00 1-1/2 38.85
1-1/2  -  11-1/2 TPI 1-47/64 44.00 1/3/4 44.50
2  -  11-1/2 TPI 2-13/64 56.00 2-7/32 57.00
2-1/2  -  8 TPI 2-5/8 66.68 2-21/32 67.47
MasterCard SecureCode   Verified by Visa