
⑥ Roll Tap Series Overall
length
L
Thread
length
ℓ
Thread + Neck
length
ℓn
Shank
length
ℓs
Shank
dia.
Ds
Size of
square
K
Length of
square
ℓk
JIS OL-RZ Roll Taps for Dry Tapping, Coated
Recommended class
Spiral Fluted Taps
(for blind hole)
Segment:1J
①
Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk Lobe TYPE MSRP
(mm) (mm) (mm) (mm) (mm) (mm) (mm)
For Unified Threads
No.2-56UNC G4 OLRZM4UN2EP 4P 42 8.1 - 27 3 2.5 5 4 3 ¥4,010 ※
Spiral Fluted Taps
(for through hole)
No.2-56UNC G5 OLRZM5UN2EP 4P 42 8.1 - 27 3 2.5 5 4 3 ¥4,010 ※
②
No.2-64UNF G4 OLRZM4UN2DP 4P 42 8.1 - 27 3 2.5 5 4 3 ¥4,010 ※
No.3-48UNC G4 OLRZM4UN3FP 4P 46 8.1 14 29 3 2.5 5 4 4 ¥3,770 ※
No.3-56UNF G4 OLRZM4UN3EP 4P 46 8.1 14 29 3 2.5 5 4 4 ¥3,770 ※
No.4-40UNC G5 OLRZM5UN4HP 4P 46 9 14 25 4 3.2 6 4 4 ¥3,680
Spiral Pointed Taps
(for through hole)
No.4-40UNC G6 OLRZM6UN4HP 4P 46 9 14 25 4 3.2 6 4 4 ¥3,680
③
No.4-48UNF G5 OLRZM5UN4FP 4P 46 9 14 25 4 3.2 6 4 4 ¥3,680 ※
No.5-40UNC G5 OLRZM5UN5HP 4P 52 11 16 28 5 4 7 4 4 ¥3,360 ※
No.5-44UNF G5 OLRZM5UN5GP 4P 52 11 16 28 5 4 7 4 4 ¥3,360 ※
No.6-32UNC G5 OLRZM5UN6JP 4P 52 11 17 27 5 4 7 4 4 ¥3,360 ※
Hand Taps
④
No.6-32UNC G6 OLRZM6UN6JP 4P 52 11 17 27 5 4 7 4 4 ¥3,360
No.6-40UNF G5 OLRZM5UN6HP 4P 52 11 17 27 5 4 7 4 4 ¥3,360 ※
No.8-32UNC G6 OLRZM6UN8JP 4P 60 13 22 31 5.5 4.5 7 4 4 ¥3,570 ※
No.8-32UNC G7 OLRZM7UN8JP 4P 60 13 22 31 5.5 4.5 7 4 4 ¥3,570 ※
No.8-36UNF G6 OLRZM6UN8IP 4P 60 13 22 31 5.5 4.5 7 4 4 ¥3,570 ※
Cemented
Carbide Taps
⑤
No.10-24UNC G6 OLRZM6UNAMP 4P 60 13 22 32 5.5 4.5 7 4 4 ¥3,570 ※
No.10-24UNC G7 OLRZM7UNAMP 4P 60 13 22 32 5.5 4.5 7 4 4 ¥3,570 ※
No.10-32UNF G6 OLRZM6UNAJP 4P 60 13 22 32 5.5 4.5 7 4 4 ¥3,570 ※
No.10-32UNF G7 OLRZM7UNAJP 4P 60 13 22 32 5.5 4.5 7 4 4 ¥3,570 ※
Roll Taps
No.12-24UNC G6 OLRZM6UNCMP 4P 62 15 26 32 6 4.5 7 4 4 ¥3,820 ※
⑥
No.12-28UNF G6 OLRZM6UNCKP 4P 62 15 26 32 6 4.5 7 4 4 ¥3,820 ※
1/4-20UNC G7 OLRZM7U04NP 4P 62 15 26 33 6 4.5 7 4 4 ¥3,820 ※
1/4-28UNF G7 OLRZM7U04KP 4P 62 15 26 33 6 4.5 7 4 4 ¥3,820 ※
Number of oil grooves : non
Special Thread Taps
Simple Inspection Tools
⑦
Pipe Taps
⑧
Thread Mills
Premium Thread Mills
⑨
Dies
⑩
Center Drills
Centering Tools
⑪
JIS
⑥-43 ※ = Specified Distribution Items. Made to order products.