① Spiral Fluted Tap Series for blind hole Overall
length
L
Thread
length

Thread + Neck
length
ℓn
Shank
length
ℓs
Shank
dia.
Ds
Size of
square
K
Length of
square
ℓk
JIS HC-SP Spiral Fluted Taps for High Carbon Steels
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



M16 × 1.5 P2 SCMQ016O 2.5P 95 26 - 48 12.5 10 13 3 2 ¥5,890 ※
M16 × 1 P2 SCMQ016M 2.5P 95 26 - 48 12.5 10 13 3 2 ¥7,020 ※
M18 × 2.5 P3 SCMR018R 2.5P 100 33 - 51 14 11 14 4 2 ¥7,870 ※
M18 × 2 P3 SCMR018Q 2.5P 100 33 - 51 14 11 14 4 2 ¥7,870 ※
Spiral Fluted Taps
(for through hole)


M18 × 1.5 P2 SCMQ018O 2.5P 100 33 - 51 14 11 14 4 2 ¥7,870 ※



M18 × 1 P2 SCMQ018M 2.5P 100 18 - 51 14 11 14 4 3 ¥10,100 ※
M20 × 2.5 P3 SCMR020R 2.5P 105 33 - 50 15 12 15 4 4 ¥10,700
M20 × 2 P3 SCMR020Q 2.5P 105 33 - 50 15 12 15 4 4 ¥10,700 ※
M20 × 1.5 P3 SCMR020O 2.5P 105 33 - 50 15 12 15 4 4 ¥10,700 ※
Spiral Pointed Taps
(for through hole)



M20 × 1 P2 SCMQ020M 2.5P 105 18 - 50 15 12 15 4 5 ¥13,600 ※
M22 × 2.5 P3 SCMR022R 2.5P 115 33 - 55 17 13 16 4 4 ¥13,700 ※
M22 × 2 P3 SCMR022Q 2.5P 115 33 - 55 17 13 16 4 4 ¥13,700 ※
M22 × 1.5 P3 SCMR022O 2.5P 115 33 - 55 17 13 16 4 4 ¥13,700 ※
M24 × 3 ¥17,100 ※
Hand Taps


P3 SCMR024S 2.5P 120 39 - 55 19 15 18 4 4



M24 × 2 P3 SCMR024Q 2.5P 120 39 - 55 19 15 18 4 4 ¥17,100 ※
M24 × 1.5 P3 SCMR024O 2.5P 120 39 - 55 19 15 18 4 4 ¥17,100 ※
M25 × 1.5 P3 SCMR025O 2.5P 125 39 - 58 19 15 18 4 4 ¥22,500 ※
M26 × 1.5 P3 SCMR026O 2.5P 130 39 - 60 20 15 18 4 4 ¥24,200 ※
Cemented
Carbide Taps


M27 × 3 P3 SCMR027S 2.5P 130 39 - 60 20 15 18 4 4 ¥24,200 ※



M27 × 1.5 P3 SCMR027O 2.5P 130 39 - 60 20 15 18 4 4 ¥24,200 ※
M28 × 1.5 P3 SCMR028O 2.5P 135 46 - 62 23 17 20 4 4 ¥30,900 ※
M30 × 3.5 P4 SCMS030T 2.5P 135 46 - 62 23 17 20 4 4 ¥30,900 ※
M30 × 1.5 P3 SCMR030O 2.5P 135 46 - 62 23 17 20 4 4 ¥30,900 ※
Roll Taps


For Whitworth Threads



1/4W20 P2 SCMQW04N 2.5P 62 15 26 33 6 4.5 7 3 1 ¥1,460 ※
5/16W18 P2 SCMQW05O 2.5P 70 19 - 36 6.2 5 8 3 2 ¥2,060 ※
3/8W16 P2 SCMQW06P 2.5P 75 23 - 38 7 5.5 8 3 2 ¥2,640 ※
1/2W12 P3 SCMRW08S 2.5P 88 26 - 45 10.5 8 11 3 2 ¥3,950 ※
Special Thread Taps
Simple Inspection Tools



5/8W11 P3 SCMRW10U 2.5P 95 26 - 48 12.5 10 13 3 2 ¥5,890 ※
3/4W10 P3 SCMRW12V 2.5P 105 33 - 50 15 12 15 4 4 ¥10,700 ※
7/8W9 P3 SCMRW14W 2.5P 115 33 - 55 17 13 16 4 4 ¥15,100 ※
1 W8 P3 SCMRW16X 2.5P 125 39 - 58 19 15 18 4 4 ¥22,500 ※
Pipe Taps

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①-131 ※ = Specified Distribution Items. Made to order products.