Cemented Carbide Tap Series
N-CT LA Carbide Taps for Light Alloys
L ℓ ℓn Ds K ℓk No. of
Spiral Pointed Taps Spiral Fluted Taps Spiral Fluted Taps
(for blind hole)


Size Class Code Chamfer Type Stock
(mm) (mm) (mm) (mm) (mm) (mm) flutes
TCNR016O3A 3P
P3
TCNR016O1A 1.5P
M16 × 1.5 95 24 - 12.5 10 13 4 3 △
TCNS016O3A 3P
P4
(for through hole)


TCNS016O1A 1.5P
TCNS018R3A 3P
M18 × 2.5 P4 100 35 - 14 11 14 4 3 △
TCNS018R1A 1.5P
TCNS018O3A 3P
M18 × 1.5 P4 95 24 - 14 11 14 4 3 △
TCNS018O1A 1.5P
(for through hole)


TCNS020R3A 3P
M20 × 2.5 P4 105 35 - 15 12 15 4 3 △
TCNS020R1A 1.5P
TCNS020O3A 3P
M20 × 1.5 P4 95 24 - 15 12 15 4 3 △
TCNS020O1A 1.5P
Hand Taps


Basic
L ℓ ℓn Ds K ℓk No. of
Size Class Code Chamfer major dia (mm) (mm) (mm) (mm) (mm) (mm) flutes Type Stock
(mm)
For Helical Coil Wire Screw Thread Inserts, for Metric Threads
Cemented
Carbide Taps


TW3.0G1LWB5 5P
STI M3 × 0.5 1b 3.65 52 13 - 5 4 7 3 1 △
TW3.0G1LWBA 1.5P
TW4.0I1LWB5 5P
STI M4 × 0.7 1b 4.909 60 16 - 5.5 4.5 7 3 1 △
TW4.0I1LWBA 1.5P
TW5.0K1LWB5 5P
STI M5 × 0.8
Roll Taps


1b 6.039 62 19 - 6 4.5 7 3 2 △
TW5.0K1LWBA 1.5P
TW6.0M1LWB5 5P
STI M6 × 1 1b 7.299 65 19 - 6.2 5 8 4 3 △
TW6.0M1LWBA 1.5P
TW8.0N1LWB5 5P
STI M8 × 1.25 △
Special Thread Taps
Pipe Taps Simple Inspection Tools


1b 9.624 75 24 - 7 5.5 8 4 3
TW8.0N1LWBA 1.5P
TW010O1LWB5 5P
STI M10 × 1.5 1b 11.948 82 30 - 8.5 6.5 9 4 3 △
TW010O1LWBA 1.5P
Thread Mills
Dies
Center Drills
Centering Tools


JIS
CT-3
◎=Standard ○=Semi standard △=Made to order
480 For improvement, spec may change without advance notice.