Page 30 - Pipeline Rules of Thumb Handbook

General Information 17

Common nails

Gauge Dia. Approx. Gauge Dia. Approx.
Size Length No. Head No./lb Size Length No. Head No./lb

2d 1.00 15 11/64 845 10d 3.00 9 5/16 65
3d 1.25 14 13/64 540 12d 3.25 9 5/16 60
4d 1.50 12.5 1/4 290 16d 3.50 8 11/32 45
5d 1.75 12.5 1/4 250 20d 4.00 6 13/32 30
6d 2.00 11.5 17/64 265 30d 4.50 5 7/16 20
7d 2.25 11.5 17/64 250 40d 5.00 4 15/32 17
8d 2.50 10.25 9/32 200 50d 5.50 3 1/2 13
9d 2.75 10.25 9/32 90 60d 6.00 2 17/32 10

Drill sizes for pipe taps

Tap Size Drill Dia. Tap Size Drill Dia.
(in.) TPI (in.) (in.) TPI (in.)
1/8 27 11/32 2 11-1/2 2-3/16
1/4 18 7/16 2-1/2 8 2-9/16
3/8 18 37/64 3 8 3-3/16
1/2 14 23/32 3-1/2 8 3-11/16
3/4 14 59/64 4 8 4-3/16
1 11-1/2 1-5/32 4-1/2 8 4-3/4
1-1/4 11-1/2 1-1/2 5 8 5-5/16
1-1/2 11-1/2 1-49/64 6 8 6-5/16

Carbon steel—color and approximate temperature

Temperature Temperature
Color (°F) Color (°F)

BLACK RED 990 SALMON, FREE SCALING 1650
DARK BLOOD RED 1050 LIGHT SALMON 1725
DARK CHERRY RED 1175 YELLOW 1825
MEDIUM CHERRY RED 1250 LIGHT YELLOW 1975
LIGHT CHERRY, SCALING 1550 WHITE 2220