Roll Tap Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk Spiral Fluted Taps (for blind hole) N-RS Thread Forming Taps for Non-Ferrous Materials Spiral Fluted Taps (for through hole) Specification ■N-RS is the forming tap suitable for non-ferrous materials E such as aluminum castings, aluminum die castings and Nitride brass. Spiral Pointed Taps (for through hole) Recommended Tapping Speed depending on Materials Wrought aluminum Aluminum alloy castings inc alloy castings 5〜15 5〜15 5〜15 (m/min) (m/min) (m/min) For icon explanation, refer to P.50 Hand Taps TYPE:1 TYPE:2 Cemented Carbide Taps Roll Taps TYPE:3 TYPE:4 Pipe Taps Simple Inspection Tools Segment:1J Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk Lobe Type (inch) (inch) (inch) (inch) (inch) (inch) (inch) For Metric threads RS3.0G5KENP 4P M3 × 0.5 D5 2.205 0.433 0.768 1.358 0.141 0.11 0.187 4 2 RS3.0G5KENB 2P Thread Mills RS3.5H6KENP 4P M3.5 × 0.6 D6 2.205 0.433 0.787 1.358 0.141 0.11 0.187 4 2 RS3.5H6KENB 2P RS4.0I6KENP 4P M4 × 0.7 D6 2.48 0.512 0.827 1.535 0.168 0.131 0.25 4 2 RS4.0I6KENB 2P RS5.0K7KENP 4P Dies M5 × 0.8 D7 3.15 0.591 0.984 1.929 0.22 0.165 0.281 4 2 RS5.0K7KENB 2P RS6.0M8KENP 4P M6 × 1 D8 3.15 0.591 1.181 1.713 0.255 0.191 0.312 4 2 RS6.0M8KENB 2P RS7.0M9KENP 4P M7 × 1 D9 3.543 0.748 1.315 1.831 0.318 0.238 0.375 4 3 Center Drills RS7.0M9KENB 2P RS8.0N9KENP 4P M8 × 1.25 D9 3.543 0.748 1.382 1.831 0.318 0.238 0.375 6 3 RS8.0N9KENB 2P RS8.0M9KENP 4P M8 × 1 D9 3.543 0.748 1.382 1.831 0.318 0.238 0.375 6 3 Centering Tools RS8.0M9KENB 2P RS010OOKENP 4P M10 × 1.5 D10 3.937 0.906 - 2.008 0.323 0.242 0.406 6 4 RS010OOKENB 2P RS010N9KENP 4P M10 × 1.25 D9 3.937 0.906 - 2.008 0.323 0.242 0.406 6 4 RS010N9KENB 2P ANSI RO-5 286