Обший каталог Yamawa 2016 - 2017 - страница 522

Roll Tap Series

SC-TL-RZ
Spiral Pointed Taps Spiral Fluted Taps Spiral Fluted Taps
(for blind hole)


Torqueless Thread Forming Taps with short chamfer
Specification
(for through hole)


Coating 1.5D

Recommended Tapping Speeds depending on Materials
(for through hole)


ow carbon steels Medium carbon steels High carbon steels Alloy steels Stainless steels

15 30 15 30 15 25 15 25 10 25
〜 〜 〜 〜 〜

For icon explanation, refer to P.50
Hand Taps


Product features
●Producing high quality internal threads with little burrs, SC-TL-RZ results in longer tool life.
●Tapping hard-to-machine materials of lower ductility becomes possible.
Cemented
Carbide Taps


●Longer tool life under water soluble oil.
●Wider tapping application range up to higher speed tapping.
●Applicable materials:
• Stainless steels：SUS303, SUS304, SUS316, SUS440C
• Alloy steels：SCM420
Roll Taps


• Carbon steels：S45C ～ S50C
• Aluminum alloy castings and die castings
Special Thread Taps
Pipe Taps Simple Inspection Tools


Tapping data
Tapping condition [ M3×0.5 ]
SCM440 tempered
Work material
32HRC SC-TL-RZ Previous tap
Tapping depth 4.5㎜ After 7,000 hole tappings After 2,800 hole tappings
Bored hole φ2.8
Tapping speed 5m/min
Machine Tapping center
Tapping fluid Water soluble oil (×10)
Thread Mills


（Ｎ・ ） 123
Compared with previous tap, SC-TL-RZ have
100 less damage even after 7,000 hole tapping.
100

55
44
Dies


50

0
SC-TL-RZ Previous tap
Torque Thrust
Center Drills
Centering Tools


JIS
RO-23
518 For improvement, spec may change without advance notice.