④ Hand Tap Series Overall
length
L
Thread
length

Thread + Neck

ℓn
length
Shank
length
ℓs
Shank
dia.
Ds
Size of
square
K
Length of
square
ℓk
JIS EH-HT Hand Taps for Hard-to-Machine Materials
L ℓ ℓn ℓs Ds K ℓk No. of TYPE MSRP
Size Class Code Chamfer
Spiral Fluted Taps
(for blind hole)


(mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes



M20 × 1.5 P4 ETHMS020O5 5P 105 33 - 50 15 12 15 4 3 ¥13,200 ※
M20 × 1.5 P4 ETHMS020O1 2.5P 105 33 - 50 15 12 15 4 3 ¥13,200 ※
M22 × 2.5 P5 ETHMT022R5 5P 115 33 - 55 17 13 16 4 3 ¥17,000 ※
M22 × 2.5 P5 ETHMT022R1 2.5P 115 33 - 55 17 13 16 4 3 ¥17,000 ※
Spiral Fluted Taps
(for through hole)


M22 × 1.5 P4 ETHMS022O5 5P 115 33 - 55 17 13 16 4 3 ¥17,000 ※



M22 × 1.5 P4 ETHMS022O1 2.5P 115 33 - 55 17 13 16 4 3 ¥17,000 ※
M24 × 3 P5 ETHMT024S5 5P 120 39 - 55 19 15 18 4 3 ¥21,200
M24 × 3 P5 ETHMT024S1 2.5P 120 39 - 55 19 15 18 4 3 ¥21,200
M24 × 1.5 P4 ETHMS024O5 5P 120 39 - 55 19 15 18 4 3 ¥21,200 ※
Spiral Pointed Taps
(for through hole)



M24 × 1.5 P4 ETHMS024O1 2.5P 120 39 - 55 19 15 18 4 3 ¥21,200 ※
M27 × 3 P5 ETHMT027S5 5P 130 39 - 60 20 15 18 4 3 ¥30,000 ※
M27 × 3 P5 ETHMT027S1 2.5P 130 39 - 60 20 15 18 4 3 ¥30,000 ※
M30 × 3.5 P5 ETHMT030T5 5P 135 46 - 62 23 17 20 4 3 ¥38,300 ※
M30 × 3.5 ¥38,300 ※
Hand Taps


P5 ETHMT030T1 2.5P 135 46 - 62 23 17 20 4 3

Cemented
Carbide Taps

Roll Taps

Special Thread Taps
Simple Inspection Tools

Pipe Taps

Thread Mills
Premium Thread Mills

Dies

Center Drills
Centering Tools



JIS
④-121 ※ = Specified Distribution Items. Made to order products.