
Overall
length
L
Thread
length
ℓ
Thread + Neck
length
ℓn
Shank
length
ℓs
Shank
dia.
Ds
Size of
square
K
Length of
square
ℓk
⑥
N-RS Roll Taps for Non-Ferrous Materials JIS
Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk Lobe TYPE MSRP
Spiral Fluted Taps
(for blind hole)
(mm) (mm) (mm) (mm) (mm) (mm) (mm)
①
No.3-48UNC G4 NRSM4UN3FB 2P 46 8.1 14 29 3 2.5 5 4 4 ¥1,850 ※
No.3-48UNC G5 NRSM5UN3FP 4P 46 8.1 14 29 3 2.5 5 4 4 ¥1,850 ※
No.3-48UNC G5 NRSM5UN3FB 2P 46 8.1 14 29 3 2.5 5 4 4 ¥1,850 ※
No.4-40UNC G5 NRSM5UN4HP 4P 46 9 14 25 4 3.2 6 4 4 ¥1,840 ※
Spiral Fluted Taps
(for through hole)
No.4-40UNC G5 NRSM5UN4HB 2P 46 9 14 25 4 3.2 6 4 4 ¥1,840 ※
②
No.4-40UNC G6 NRSM6UN4HP 4P 46 9 14 25 4 3.2 6 4 4 ¥1,840 ※
No.4-40UNC G6 NRSM6UN4HB 2P 46 9 14 25 4 3.2 6 4 4 ¥1,840 ※
No.4-40UNC G7 NRSM7UN4HP 4P 46 9 14 25 4 3.2 6 4 4 ¥1,840 ※
No.4-40UNC G7 NRSM7UN4HB 2P 46 9 14 25 4 3.2 6 4 4 ¥1,840 ※
Spiral Pointed Taps
(for through hole)
③
No.4-48UNF G5 NRSM5UN4FP 4P 46 9 14 25 4 3.2 6 4 4 ¥1,840 ※
No.4-48UNF G5 NRSM5UN4FB 2P 46 9 14 25 4 3.2 6 4 4 ¥1,840 ※
No.4-48UNF G6 NRSM6UN4FP 4P 46 9 14 25 4 3.2 6 4 4 ¥1,840 ※
No.4-48UNF G6 NRSM6UN4FB 2P 46 9 14 25 4 3.2 6 4 4 ¥1,840 ※
No.5-40UNC ¥1,710 ※
Hand Taps
G5 NRSM5UN5HP 4P 52 11 16 28 5 4 7 4 4
④
No.5-44UNF G6 NRSM6UN5GB 2P 52 11 16 28 5 4 7 4 4 ¥1,710 ※
No.6-32UNC G5 NRSM5UN6JP 4P 52 11 17 27 5 4 7 4 4 ¥1,710 ※
No.6-32UNC G5 NRSM5UN6JB 2P 52 11 17 27 5 4 7 4 4 ¥1,710 ※
No.6-32UNC G6 NRSM6UN6JP 4P 52 11 17 27 5 4 7 4 4 ¥1,710 ※
Cemented
Carbide Taps
No.6-32UNC G6 NRSM6UN6JB 2P 52 11 17 27 5 4 7 4 4 ¥1,710 ※
⑤
No.6-32UNC G7 NRSM7UN6JP 4P 52 11 17 27 5 4 7 4 4 ¥1,710 ※
No.6-32UNC G7 NRSM7UN6JB 2P 52 11 17 27 5 4 7 4 4 ¥1,710 ※
No.6-40UNF G5 NRSM5UN6HP 4P 52 11 17 27 5 4 7 4 4 ¥1,710 ※
No.6-40UNF G5 NRSM5UN6HB 2P 52 11 17 27 5 4 7 4 4 ¥1,710 ※
Roll Taps
No.8-32UNC ¥1,720 ※
⑥
G6 NRSM6UN8JP 4P 60 13 22 31 5.5 4.5 7 4 4
No.8-32UNC G6 NRSM6UN8JB 2P 60 13 22 31 5.5 4.5 7 4 4 ¥1,720 ※
No.8-32UNC G7 NRSM7UN8JP 4P 60 13 22 31 5.5 4.5 7 4 4 ¥1,720 ※
No.8-32UNC G7 NRSM7UN8JB 2P 60 13 22 31 5.5 4.5 7 4 4 ¥1,720 ※
No.8-32UNC G8 NRSM8UN8JP 4P 60 13 22 31 5.5 4.5 7 4 4 ¥1,720 ※
Special Thread Taps
Simple Inspection Tools
⑦
No.8-36UNF G5 NRSM5UN8IP 4P 60 13 22 31 5.5 4.5 7 4 4 ¥1,720 ※
No.8-36UNF G5 NRSM5UN8IB 2P 60 13 22 31 5.5 4.5 7 4 4 ¥1,720 ※
No.8-36UNF G6 NRSM6UN8IB 2P 60 13 22 31 5.5 4.5 7 4 4 ¥1,720 ※
No.10-24UNC G6 NRSM6UNAMP 4P 60 13 22 32 5.5 4.5 7 4 4 ¥1,720 ※
Pipe Taps
No.10-24UNC G6 NRSM6UNAMB 2P 60 13 22 32 5.5 4.5 7 4 4 ¥1,720 ※
⑧
No.10-24UNC G7 NRSM7UNAMP 4P 60 13 22 32 5.5 4.5 7 4 4 ¥1,720 ※
No.10-24UNC G7 NRSM7UNAMB 2P 60 13 22 32 5.5 4.5 7 4 4 ¥1,720 ※
No.10-32UNF G6 NRSM6UNAJP 4P 60 13 22 32 5.5 4.5 7 4 4 ¥1,720 ※
No.10-32UNF G6 NRSM6UNAJB 2P 60 13 22 32 5.5 4.5 7 4 4 ¥1,720 ※
Thread Mills
Premium Thread Mills
No.10-32UNF G7 NRSM7UNAJP 4P 60 13 22 32 5.5 4.5 7 4 4 ¥1,720 ※
⑨
No.10-32UNF G7 NRSM7UNAJB 2P 60 13 22 32 5.5 4.5 7 4 4 ¥1,720 ※
1/4-20UNC G6 NRSM6U04NP 4P 62 15 26 33 6 4.5 7 4 4 ¥1,850 ※
1/4-20UNC G6 NRSM6U04NB 2P 62 15 26 33 6 4.5 7 4 4 ¥1,850 ※
1/4-20UNC G7 NRSM7U04NP 4P 62 15 26 33 6 4.5 7 4 4 ¥1,850 ※
Dies
⑩
1/4-20UNC G7 NRSM7U04NB 2P 62 15 26 33 6 4.5 7 4 4 ¥1,850 ※
1/4-20UNC G8 NRSM8U04NP 4P 62 15 26 33 6 4.5 7 4 4 ¥1,850 ※
1/4-20UNC G8 NRSM8U04NB 2P 62 15 26 33 6 4.5 7 4 4 ¥1,850 ※
1/4-28UNF G6 NRSM6U04KP 4P 62 15 26 33 6 4.5 7 4 4 ¥1,850 ※
1/4-28UNF G6 NRSM6U04KB 2P 62 15 26 33 6 4.5 7 4 4 ¥1,850 ※
Center Drills
Centering Tools
⑪
1/4-28UNF G7 NRSM7U04KB 2P 62 15 26 33 6 4.5 7 4 4 ¥1,850 ※
umber of oil grooves :
N
Metric thread : M2.6 and smaller=non, M3 and larger=1
Unified thread : No.4 and smaller=non, No.5 and larger=1
For M6 and smaller, external centers of 2 thread chamfer taps are removed.
JIS
※ = Specified Distribution Items. Made to order products. ⑥-30