Straight Fluted Tap Series Spiral Fluted Taps (for blind hole) HT Straight Fluted and Hand Tap Spiral Fluted Taps (for through hole) Specification E ~ M2.6 M26 ~ Spiral Pointed Taps (for through hole) Recommended Tapping Speeds depending on Materials Carbon steel and low alloy steel IS P 5〜10 (m/min) Straight Fluted Taps For icon explanation, refer to P.50 TYPE:1 DIN371 TYPE:2 DIN352 / DIN351 Cemented Carbide Taps Roll Taps TYPE:3 DIN371 TYPE:4 DIN2181 Special Thread Taps Simple Inspection Tools TYPE:5 DIN376 TYPE:6 DIN352 / DIN351 Pipe Taps Thread Mills TYPE:7 DIN2181 TYPE:8 DIN371 Dies Center Drills TYPE:9 DIN376 TYPE:10 DIN352 / DIN2181 / DIN351 Centering Tools DIN HT-1 134