Millimeter Size to Inches
Select a metric size
Size
Millimeter
Size
Inches
Basic Tap
Blank Size
.03937
0

Millimeter Pitch to Threads Per Inch
Select a metric pitch
Pitch in
Millimeters
Pitch in
Inches
Threads
Per Inch
Basic
Thread Height
.01378
72.57
.00895

HAND TAPS
Carbon Steel

Fractional Sizes page 213
Machine Sizes page 213
Metric Sizes page 213
High Speed Steel (Uncoated and TiN Coated)

Fractional Sizes page 206
Machine Sizes page 206
Metric Sizes page 210
SPIRAL POINT TAPS (GUN TAPS)
High Speed Steel (Uncoated, Chrome Plated, and TiN Coated)

Fractional Sizes page 216
Machine Sizes page 216
Metric Sizes page 216A