Обший каталог Yamawa 2016 - 2017 - страница 373

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


(for blind hole)
Spiral Fluted Taps Spiral Fluted Taps Spiral Pointed Taps
LO-SP
Low Spiral Fluted Taps
Specification


(for through hole)
■Spiral flutes with low helix can break down chips and can
eject them smoothly. Suitable for thermal refined high
E carbon steels and alloy tool steels. Effective in horizontal
tapping.
Recommended Tapping Speeds depending on Materials


(for through hole)
Medium carbon steels High carbon steels

5 10 〜
5 10 〜

For icon explanation, refer to P.50


Hand Taps
TYPE：1 TYPE：2


Carbide Taps
Cemented
Segment：1C


Roll Taps
Helix angle of L ℓ ℓn ℓs Ds K ℓk No. of Type Stock
Size Class Code Chamfer
spiral flutes (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes
For Metric Threads
LSHMP3.0G8 8°
M3 × 0.5 P1 LSHMP3.0G15 2.5P 15° 46 9 14 26 4 3.2 6 3 1 △


Simple Inspection Tools
Special Thread Taps
LSHMP3.0G20 20°
LSHMQ4.0I8 8°
M4 × 0.7 P2 LSHMQ4.0I15 2.5P 15° 52 11 17 29 5 4 7 3 1 △
LSHMQ4.0I20 20°


Pipe Taps
LSHMQ5.0K8 8°
M5 × 0.8 P2 LSHMQ5.0K15 2.5P 15° 60 13 22 33 5.5 4.5 7 3 1 △
LSHMQ5.0K20 20°
LSHMQ6.0M8 8°
M6 × 1 P2 LSHMQ6.0M15 2.5P 15° 62 15 26 33 6 4.5 7 3 1 △
LSHMQ6.0M20 20° Thread Mills
LSHMQ8.0N8 8°
M8 × 1.25 P2 LSHMQ8.0N15 2.5P 15° 70 19 - 36 6.2 5 8 3 2 △
LSHMQ8.0N20 20°
Dies


LSHMQ010O8 8°
M10 × 1.5 P2 LSHMQ010O15 2.5P 15° 75 23 - 38 7 5.5 8 3 2 △
LSHMQ010O20 20°
LSHMQ012P8 8°
M12 × 1.75
Center Drills


P2 LSHMQ012P15 2.5P 15° 82 26 - 42 8.5 6.5 9 3 2 △
LSHMQ012P20 20°
Centering Tools


JIS
◎=Standard ○=Semi standard △=Made to order
SP-52
For improvement, spec may change without advance notice. 369