
Overall Chamfer+ Thread Thread+Neck Shank Shank Size of Length of
length full thread length length length dia. square square
L ℓt ℓ ℓn ℓs Ds K ℓk
+SP Plus Series Spiral Fluted Taps
L ℓ ℓn ℓs Ds K ℓk No. of Type
(for blind hole)
Spiral Fluted Taps Spiral Fluted Taps Spiral Pointed Taps
Size Class Code Chamfer Stock
(mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes
P3 SNPR4.0I
M4 × 0.7 2.5P 52 11 17 29 5 4 7 3 1 ○
P4 SNPS4.0I
P2 SNPQ5.0K ◎
M5 × 0.8
(for through hole)
P3 SNPR5.0K 2.5P 60 13 22 33 5.5 4.5 7 3 1
○
P4 SNPS5.0K
P2 SNPQ6.0M ◎
M6 × 1 P3 SNPR6.0M 2.5P 62 15 26 33 6 4.5 7 3 1
○
P4 SNPS6.0M
(for through hole)
P2 SNPQ8.0N ◎
M8 × 1.25 P3 SNPR8.0N 2.5P 70 19 - 36 6.2 5 8 3 2
○
P4 SNPS8.0N
P2 SNPQ010O ◎
Hand Taps
M10 × 1.5 P3 SNPR010O 2.5P 75 23 - 38 7 5.5 8 3 2
○
P4 SNPS010O
P2 SNPQ010N ◎
M10 × 1.25 P3 SNPR010N 2.5P 75 23 - 38 7 5.5 8 3 2
○
Carbide Taps
Cemented
P4 SNPS010N
P2 SNPQ012P ◎
M12 × 1.75 P3 SNPR012P 2.5P 82 26 - 42 8.5 6.5 9 3 2
○
P4 SNPS012P
P2 SNPQ012N ◎
Roll Taps
M12 × 1.25 P3 SNPR012N 2.5P 82 26 - 42 8.5 6.5 9 3 2
○
P4 SNPS012N
Simple Inspection Tools
Special Thread Taps
Pipe Taps
Thread Mills
Dies
Center Drills
Centering Tools
JIS
◎=Standard ○=Semi standard △=Made to order
SP-14
For improvement, spec may change without advance notice. 331