
⑧ Pipe Tap Series Overall length L Thread length ℓ Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk DIN PO-VA G Spiral Fluted Taps (for blind hole) ① DIN Spiral Pointed Taps for Parallel Pipe Threads, for Stainless Steels Spiral Fluted Taps (for through hole) ② Specification ■S uitable for stainless steels tending to cause work harden and sticky, as well as chrome steels and molybdenum steels. Through hole use. Spiral Pointed Taps (for through hole) Oxide ③ Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels High carbon steels Alloy steels Stainless steels 低炭素鋼 中炭素鋼 高炭素鋼 合金鋼 ステンレス鋼 〜 15 〜 15 〜 15 〜 15 〜 10 Hand Taps ( m / min ) ( m / min ) ( m / min ) ( m / min ) ( m / min ) ④ TYPE:1 Cemented Carbide Taps ⑤ Segment:1H Roll Taps ⑥ L ℓ ℓs Ds K ℓk No. of TYPE Size Class Code Chamfer (mm) (mm) (mm) (mm) (mm) (mm) flutes For G Threads G 1/8-28 - PVG0020GEX 4.5P 90 19 46 7 5.5 8 3 1 G 1/4-19 - PVG0040GEX 4.5P 100 21 51 11 9 12 3 1 Special Thread Taps Simple Inspection Tools G 3/8-19 - PVG0060GEX 4.5P 100 21 51 12 9 12 3 1 ⑦ G 1/2-14 - PVG0080GEX 4.5P 125 24 64 16 12 15 3 1 G 3/4-14 - PVG0120GEX 4.5P 140 27 71 20 16 19 4 1 G 1 -11 - PVG0160GEX 4.5P 160 29 82 25 20 23 4 1 Pipe Taps ⑧ Thread Mills Premium Thread Mills ⑨ Dies ⑩ Center Drills Centering Tools ⑪ DIN ⑧-67 ※ This product is different from JIS products in shape and dimensions, please be careful when using.