Overall
length
L
Thread
length

Shank
dia.
Ds
Size of
square
K
Length of
square
ℓk

JIS
TYPE:1


Spiral Fluted Taps
(for blind hole)

Spiral Fluted Taps
(for through hole)

TYPE:2 TYPE:3


Spiral Pointed Taps
(for through hole)

Hand Taps

L ℓ Ds K ℓk No. of MSRP
Size Class Code Chamfer TYPE
(mm) (mm) (mm) (mm) (mm) flutes
M16 × 2 Ⅱb NH2016Q 26P 200 70 13 10 13 3 3 ¥14,800


Cemented
Carbide Taps
M16 × 1.5 Ⅱ NH2016O 25P 180 55 13 10 13 3 3 ¥14,800 ※



M16 × 1 Ⅱ NH2016M 25P 170 40 13 10 13 3 3 ¥20,900 ※
M18 × 2.5 Ⅱb NH2018R 24P 220 80 14 11 14 3 3 ¥20,900 ※
M18 × 2 Ⅱ NH2018Q 25P 210 75 14 11 14 3 3 ¥20,900 ※
M18 × 1.5 Ⅱ NH2018O 25P 190 55 14 11 14 3 3 ¥20,900 ※


Roll Taps
M18 × 1



Ⅱ NH2018M 25P 180 45 14 11 14 3 3 ¥26,600 ※
M20 × 2.5 Ⅱb NH2020R 26P 230 85 16 12 15 3 3 ¥28,300 ※
M20 × 2 Ⅱ NH2020Q 25P 220 75 16 12 15 3 3 ¥28,300 ※
M20 × 1.5 Ⅱ NH2020O 25P 200 60 16 12 15 3 3 ¥28,300 ※
M20 × 1 Ⅱ ¥37,600 ※


Special Thread Taps
Simple Inspection Tools
NH2020M 25P 190 45 16 12 15 3 3



M22 × 2.5 Ⅱb NH2022R 27P 250 90 18 14 17 3 3 ¥35,400 ※
M22 × 1.5 Ⅱ NH2022O 25P 210 60 18 14 17 3 3 ¥35,400 ※
M24 × 3 Ⅱb NH2024S 25P 260 100 19 15 18 3 3 ¥43,700 ※
M24 × 2 Ⅱ NH2024Q 25P 240 75 19 15 18 3 3 ¥43,700 ※

Pipe Taps
M24 × 1.5 Ⅱ NH2024O 25P 220 60 19 15 18 3 3 ¥43,700 ※


M25 × 2 Ⅱ NH2025Q 25P 240 75 20 15 18 3 3 ¥55,000 ※
M25 × 1.5 Ⅱ NH2025O 25P 220 60 20 15 18 3 3 ¥55,000 ※
M26 × 1.5 Ⅱ NH2026O 25P 230 60 20 15 18 3 3 ¥55,000 ※
M27 × 3 Ⅱb NH2027S 27P 280 110 22 17 20 4 3 ¥58,800 ※
Thread Mills
Premium Thread Mills

M27 × 2 Ⅱ ¥58,800 ※

NH2027Q 25P 250 75 22 17 20 4 3
M27 × 1.5 Ⅱ NH2027O 25P 230 60 22 17 20 4 3 ¥58,800 ※
M28 × 1.5 Ⅱ NH2028O 25P 240 60 22 17 20 4 3 ¥69,600 ※
M30 × 3.5 Ⅱb NH2030T 26P 300 120 24 19 22 4 3 ¥76,800 ※
M30 × 2 Ⅱ NH2030Q 25P 260 75 24 19 22 4 3 ¥76,800 ※
Dies



M30 × 1.5 Ⅱ NH2030O 25P 240 60 24 19 22 4 3 ¥76,800 ※
M33 × 3.5 Ⅱb NH2033T 26P 310 120 25 19 22 4 3 ¥81,300 ※
M36 × 4 Ⅱb NH2036U 26P 330 140 28 21 24 4 3 ¥94,900 ※
M39 × 4 Ⅱb NH2039U 26P 340 140 30 23 26 4 3 ¥109,000 ※
M42 × 4.5 Ⅱb ¥135,000 ※
Center Drills
Centering Tools


NH2042V 25P 360 150 32 26 30 4 3



For Whitworth Threads
1/8W40 Ⅱb NH2W02H 28P 95 25 2.2 - - 3 1 ¥5,560 ※
3/16W24 Ⅱb NH2W03M 25P 110 35 3.2 2.5 5 3 2 ¥4,570 ※

JIS
※ = Specified Distribution Items. Made to order products. ⑦-28