
Pipe Tap Series
Spiral Pointed Taps Spiral Fluted Taps Spiral Fluted Taps
(for blind hole)
PT LH
Hand Taps for Taper Pipe Threads, Long (ℓg) Type, for LH Threads
Specification
(for through hole)
E
Left hand
PT 3/4 ~
Recommended Tapping Speeds depending on Materials
(for through hole)
Medium carbon steels
TYPE:1
〜
5
For icon explanation, refer to P.50
Hand Taps
g
Segment:1G
Cemented
Carbide Taps
Basic
Size Class Code Chamfer major dia L ℓ ℓg Ds K ℓk No. of Type Stock
(mm)
(mm) (mm) (mm) (mm) (mm) (mm) flutes
For Pipe Threads
PT 1/8-28 Ⅱ TH2T02K--L 2.5P 9.728 55 19 13 8 6 9 4 1 △
△
Roll Taps
PT 1/4-19 Ⅱ TH2T04---L 2.5P 13.157 62 28 21 11 9 12 4 1
PT 3/8-19 Ⅱ TH2T06---L 2.5P 16.662 65 28 21 14 11 14 4 1 △
PT 1/2-14 Ⅱ TH2T08Q--L 2.5P 20.955 80 35 25 18 14 17 4 1 △
PT 3/4-14 Ⅱ TH2T12Q--L 2.5P 26.441 85 35 25 23 17 20 4 1 △
PT 1 -11 Ⅱ TH2T16U--L 2.5P 33.249 95 45 32 26 21 24 5 1 △
Special Thread Taps
Pipe Taps Simple Inspection Tools
PT 1 1/4-11 Ⅱ TH2T20U--L 2.5P 41.910 105 45 32 32 26 30 5 1 △
PT 1 1/2-11 Ⅱ TH2T24U--L 2.5P 47.803 110 45 32 38 29 32 6 1 △
PT 2 -11 Ⅱ TH2T32U--L 2.5P 59.614 120 50 35 46 35 38 6 1 △
Thread Mills
Dies
Center Drills
Centering Tools
JIS
Pipe-3 ◎=Standard ○=Semi standard △=Made to order
552 For improvement, spec may change without advance notice.