Roll Tap Series
N+RS/N-RS Thread Forming Taps for Non-Ferrous Materials
L ℓ ℓn ℓs Ds K ℓk
Spiral Pointed Taps Spiral Fluted Taps Spiral Fluted Taps
(for blind hole)


Size Class Code Chamfer (mm) (mm) (mm) (mm) (mm) (mm) (mm)
Lobe Type Stock
NRSM52.5DP 4P
M2.5 × 0.35 G5 46 6.3 14 29 3 2.5 5 4 5 △
NRSM52.5DB 2P
NRSP52.6FP 4P
G5 ◎
(for through hole)


NRSP52.6FB 2P
M2.6 × 0.45 46 8.1 14 29 3 2.5 5 4 4
NRSP62.6FP 4P
G6 ○
NRSP62.6FB 2P
NRSM52.6DP 4P
G5
NRSM52.6DB 2P
M2.6 × 0.35
(for through hole)


46 6.3 14 29 3 2.5 5 4 5 △
NRSM62.6DP 4P
G6
NRSM62.6DB 2P
NRSP53.0GP 4P
G5
NRSP53.0GB 2P

Hand Taps


NRSP63.0GP 4P
G6
NRSP63.0GB 2P
M3 × 0.5 46 9 14 26 4 3.2 6 4 4
NRSP73.0GP 4P
G7 ○
NRSP73.0GB 2P
Cemented
Carbide Taps


NRSP83.0GP 4P
G8 △
NRSP83.0GB 2P
NRSM53.0DP 4P
G5
NRSM53.0DB 2P
M3 × 0.35 46 6.5 14 26 4 3.2 6 4 5 △
NRSM63.0DP 4P
Roll Taps


G6
NRSM63.0DB 2P
NRSP53.5HP 4P
G5
NRSP53.5HB 2P

M3.5 × 0.6 NRSP63.5HP 4P 52 11 16 29 5 4 7 4 4
Special Thread Taps
Pipe Taps Simple Inspection Tools


G6
NRSP63.5HB 2P
G7 NRSP73.5HP 4P △
NRSM53.5DP 4P
G5
NRSM53.5DB 2P
M3.5 × 0.35 52 6.5 16 29 5 4 7 4 5 △
NRSM63.5DP 4P
G6
NRSM63.5DB 2P
NRSP54.0IP 4P
G5 ○
NRSP54.0IB 2P
NRSP64.0IP 4P
Thread Mills


G6 ◎
NRSP64.0IB 2P
M4 × 0.7 52 11 17 29 5 4 7 4 4
NRSP74.0IP 4P
G7 ○
NRSP74.0IB 2P
NRSP84.0IP 4P

Dies


G8
NRSP84.0IB 2P
NRSM64.0GP 4P
G6
NRSM64.0GB 2P
M4 × 0.5 52 9 17 29 5 4 7 4 5 △
NRSM74.0GP 4P
G7
Center Drills


NRSM74.0GB 2P
NRSP55.0KP 4P
G5 △
NRSP55.0KB 2P
NRSP65.0KP 4P
G6 ◎
M5 × 0.8 NRSP65.0KB 2P 60 13 22 33 5.5 4.5 7 4 4
Centering Tools


NRSP75.0KP 4P
G7 ○
NRSP75.0KB
2P
G8 NRSP85.0KB △
JIS
RO-9 ◎=Standard ○=Semi standard △=Made to order
504 For improvement, spec may change without advance notice.