
Overall
length
L
Thread
length
ℓ
Thread + Neck
length
ℓn
Shank
length
ℓs
Shank
dia.
Ds
Size of
square
K
Length of
square
ℓk
⑦
SIT Simple Thread Inspection Tools JIS
Size Class Code L ℓ ℓn ℓs Ds K ℓk TYPE MSRP
Spiral Fluted Taps
(for blind hole)
(mm) (mm) (mm) (mm) (mm) (mm) (mm)
①
1/2-13UNC GB 2B ITM2U08RG 88 17 43 45 10.5 8 11 3 ¥6,890 □
1/2-13UNC WB 2B ITM2U08RN 88 13 43 45 10.5 8 11 4 ¥6,890 □
1/2-20UNF GB 2B ITM2U08NG 88 17 43 45 10.5 8 11 3 ¥6,890 □
1/2-20UNF WB 2B ITM2U08NN 88 10 43 45 10.5 8 11 4 ¥6,890 □
Spiral Fluted Taps
(for through hole)
9/16-12UNC GB 2B ITM2U09SG 95 26 47 48 12.5 10 13 3 ¥7,030 □
②
9/16-12UNC WB 2B ITM2U09SN 95 17 47 48 12.5 10 13 4 ¥7,030 □
9/16-18UNF GB 2B ITM2U09OG 95 20 47 48 12.5 10 13 3 ¥7,030 □
9/16-18UNF WB 2B ITM2U09ON 95 13 47 48 12.5 10 13 4 ¥7,030 □
5/8-11UNC GB 2B ITM2U10UG 95 26 47 48 12.5 10 13 3 ¥7,030 □
Spiral Pointed Taps
(for through hole)
③
5/8-11UNC WB 2B ITM2U10UN 95 17 47 48 12.5 10 13 4 ¥7,030 □
5/8-18UNF GB 2B ITM2U10OG 95 20 47 48 12.5 10 13 3 ¥7,030 □
5/8-18UNF WB 2B ITM2U10ON 95 13 47 48 12.5 10 13 4 ¥7,030 □
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
※ = Specified Distribution Items. Made to order products. □=In stock at manufacturer. ⑦-50