Drill Shank Overall Cut Rmax Rmin dia. dia. length length (mm) (mm) Dc Ds L ℓ - - CD-R (for blind hole) Spiral Fluted Taps Low Helix Center Drills-Type R Specification (for through hole) Spiral Fluted Taps For icon explanation, refer to P.50 TYPE:1 TYPE:2 (for through hole) Spiral Pointed Taps Hand Taps Segment:1J Size Code Ds L ℓ Rmax Rmin Type Stock Carbide Taps Cemented (mm) (mm) (mm) (mm) (mm) For Metric threads 0.5 ×R× 3.15 00230.5 3.15 25 2.12 1.6 1.25 1 0.8 ×R× 3.15 00230.8 3.15 25 2.65 2.5 2 1 1 ×R× 3.15 00231.0 3.15 31.5 3 3.15 2.5 2 Roll Taps 1.25 × R × 3.15 00231.2 3.15 31.5 3.35 4 3.15 2 1.6 ×R× 4 00231.6 4 35.5 4.25 5 4 2 2 ×R× 5 00232.0 5 40 5.3 6.3 5 2 ● 2.5 ×R× 6.3 00232.5 6.3 45 6.7 8 6.3 2 ● Simple Inspection Tools Special Thread Taps 3.15 × R × 8 00233.1 8 50 8.5 10 8 2 ● 4 × R × 10 00234.0 10 56 10.6 12.5 10 2 ● 5 × R × 12.5 00235.0 12.5 63 13.2 16 12.5 2 ● 6.3 × R × 16 00236.3 16 71 17 20 16 2 ● Pipe Taps 8 × R × 20 00238.0 20 80 21.2 25 20 2 10 × R × 25 0023010 25 100 26.5 31.5 25 2 Thread Mills Dies Center Drills Centering Tools DIN CE-2 185