
⑦ Special Thread Taps / Simple Inspection Tools Overall
length
L
Thread
length
ℓ
Thread + Neck
ℓn
length
Shank
length
ℓs
Shank
dia.
Ds
Size of
square
K
Length of
square
ℓk
JIS AL-SP STI Spiral Fluted Taps for Aluminum Materials (for Helical Coil Wire Screw Thread Inserts)
Basic No. of TYPE
L ℓ ℓn ℓs Ds K ℓk
Spiral Fluted Taps
(for blind hole)
Size Class Code Chamfer major dia MSRP
(mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes
①
(mm)
M14 × 2 Ⅰb SW014Q1LEN 2.5P 16.598 100 33 - 51 14 11 14 3 2 ¥7,270 ※
M14 × 1.5 Ⅰb SW014O1LEN 2.5P 15.948 95 26 - 48 12.5 10 13 3 2 ¥7,270 ※
M16 × 2 Ⅰb SW016Q1LEN 2.5P 18.598 105 33 - 50 15 12 15 4 3 ¥10,500
M16 × 1.5 Ⅰb SW016O1LEN 2.5P 17.948 100 33 - 51 14 11 14 4 2 ¥10,500 ※
Spiral Fluted Taps
(for through hole)
M18 × 2.5
②
Ⅰb SW018R1LEN 2.5P 21.248 115 33 - 55 17 13 16 4 3 ¥17,300 ※
M18 × 1.5 Ⅰb SW018O1LEN 2.5P 19.948 105 33 - 50 15 12 15 4 3 ¥17,300 ※
M20 × 2.5 Ⅰb SW020R1LEN 2.5P 23.248 120 39 - 55 19 15 18 4 3 ¥20,600
M20 × 1.5 Ⅰb SW020O1LEN 2.5P 21.948 115 33 - 55 17 13 16 4 3 ¥20,600 ※
M22 × 2.5 Ⅰb ¥26,900 ※
Spiral Pointed Taps
(for through hole)
SW022R1LEN 2.5P 25.248 125 39 - 58 19 15 18 4 3
③
M24 × 3 Ⅰb SW024S1LEN 2.5P 27.897 135 46 - 62 23 17 20 4 3 ¥33,200
Hand Taps
④
Cemented
Carbide Taps
⑤
Roll Taps
⑥
Special Thread Taps
Simple Inspection Tools
⑦
Pipe Taps
⑧
Thread Mills
Premium Thread Mills
⑨
Dies
⑩
Center Drills
Centering Tools
⑪
JIS
⑦-11 ※ = Specified Distribution Items. Made to order products.