Outside
Thickness
diameter

D T


(for blind hole)
Spiral Fluted Taps Spiral Fluted Taps Spiral Pointed Taps
D LH
Solid Round Dies for Left Hand Threads
Specification


(for through hole)
Front face


Left hand
For icon explanation, refer to P.50


(for through hole)
TYPE:1 D ≦ 50 TYPE:2 D ≧ 63


Hand Taps
Segment:3O
D T Clearance
Size Code Class Recess Type Stock


Carbide Taps
Cemented
(mm) (mm) holes
For Metric Threads
M1 × 0.25 GYE1.0BDNEBC Ⅱ 20 7 3 ○ 1 △
M1.4 × 0.3 GYE1.4CDNEBC Ⅱ 20 7 3 ○ 1 △
M1.6 × 0.35 Ⅱ ○ △


Roll Taps
GYE1.6DDNEBC 20 7 3 1
M1.7 × 0.35 GYE1.7DDNEBC Ⅱ 20 7 3 ○ 1 △
M2 × 0.4 GYE2.0EDNEBC Ⅱ 20 7 3 ○ 1 △
M2.3 × 0.4 GYE2.3EDNEBC Ⅱ 20 7 3 ○ 1 △
M2.5 × 0.45 GYE2.5FDNEBC Ⅱ 20 7 3 ○ 1 △


Simple Inspection Tools
Special Thread Taps
M2.6 × 0.45 GYE2.6FDNEBC Ⅱ 20 7 3 ○ 1 △
GYE3.0GDNEBC 20 7 ○
M3 × 0.5 Ⅱ 3 1
GYG3.0GDNEBC 25 9 ○ △
M3 × 0.35 GYE3.0DDNEBC Ⅱ 20 7 3 ○ 1 △


Pipe Taps
M3.5 × 0.6 GYE3.5HDNEBC Ⅱ 20 7 3 1 △
M3.5 × 0.35 GYE3.5DDNEBC Ⅱ 20 7 3 1 △
GYE4.0IDNEBC 20 7
M4 × 0.7 Ⅱ 3 1 ○
GYG4.0IDNEBC 25 9
M4 × 0.5 GYE4.0GDNEBC Ⅱ 20 7 3 1 △
Thread Mills
GYE5.0KDNEBC 20 7 4
M5 × 0.8 Ⅱ 1 ○
GYG5.0KDNEBC 25 9 3
M5 × 0.5 GYE5.0GDNEBC Ⅱ 20 7 4 1 △
Dies

GYE6.0MDNEBC 20 7

M6 × 1 GYG6.0MDNEBC Ⅱ 25 9 4 1
GYJ6.0MDNEBC 38 13 ○ △
M6 × 0.75 GYE6.0JDNEBC Ⅱ 20 7 4 1 △
M6 × 0.5 GYE6.0GDNEBC Ⅱ 20 7 4 1 △
Center Drills


M7 × 1 GYG7.0MDNEBC Ⅱ 25 9 4 1 △
M7 × 0.75 GYG7.0JDNEBC Ⅱ 25 9 4 1 △
M7 × 0.5 GYG7.0GDNEBC Ⅱ 25 9 4 ○ 1 △
GYG8.0NDNEBC 25 9
M8 × 1.25
Centering Tools


Ⅱ 4 1 ○
GYJ8.0NDNEBC 38 13
GYG8.0MDNEBC 25 9
M8 × 1 Ⅱ 4 1 △
GYJ8.0MDNEBC 38 13
JIS
◎=Standard ○=Semi standard △=Made to order
Di-10
For improvement, spec may change without advance notice. 621