Outside Thickness diameter D T D LH (for blind hole) Spiral Fluted Taps Solid Round Dies for Left Hand Threads Specification (for through hole) Spiral Fluted Taps Front face Left hand For icon explanation, refer to P.50 TYPE:1 D ≦ 50 TYPE:2 D ≧ 63 (for through hole) Spiral Pointed Taps Hand Taps Segment:3O Size Code Class D T Clearance 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 GYE1.6DDNEBC Ⅱ 20 7 3 ○ 1 △ Roll Taps 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 △ GYE6.0MDNEBC 20 7 Dies 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 Centering Tools M8 × 1.25 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