Spiral Fluted Tap Series
Spiral Pointed Taps Spiral Fluted Taps Spiral Fluted Taps
(for blind hole)


AU+SP
Plus Series Spiral Fluted Taps, Coated
Specification
(for through hole)


E Coating
Recommended Tapping Speeds depending on Materials
(for through hole)


Free cutting and Carbon steel and Medium alloy steel and
High alloy steel
structural steel low alloy steel heat treated steel
IS P IS P IS P IS P
10 20 10 20 10 20 10 20
〜 〜 〜 〜
(m/min) (m/min) (m/min) (m/min)
Ferritic and austenitic Aluminum alloy Aluminum alloy
Hand Taps


stainless steel Si Si
IS M M IS IS
5 10〜
20 30 20 30

(m/min)

(m/min) (m/min)
For icon explanation, refer to P.50
Cemented
Carbide Taps


Obtainable from
Tapping data
Video site shown in right
Tapping condition(M6×1)
2,000 holes
Workma te r
ial 42 CrMo 4
(Number of holes)


Still working
Tapping speed 10m/min
Roll Taps


Hol
e diameter φ5.0
Tapping length 9mm, blind hole
Machining center vertical type
Machine
(Floating holder used) 200 holes
Chip wasn't ejected well
Water soluble cutting oil
Tapping fluid
(Chlorine-free,20 fold dilution)
Special Thread Taps
Pipe Taps Simple Inspection Tools


Conventional tap AU+SP

Product features
BLF(thread portion of special design)+ proprietary flute design :
Great improvement in chip ejection efficiency.
●AU+SP has a special thread portion design with thread crests ground off and a few full threads after chamfer left unchanged.
●Effects of AU+SP are as follows:
・Prevention of chipping trouble at full thread portion
・Reduction of tapping torque and tapping friction
Chip ejection
・Good chip ejection
Thread Mills


no trouble
Dies


Change of marking position from shank into square portion
Laser marking can roughen the shank surface.
In order to keep high accuracy of shank circularity and diameter, marking has
Center Drills


been transferred from shank to square portion.
Centering Tools


For wide range of materials
Adopting the flute of special design which enables the coating (features: wear resistance, heat resistance, and welding resistance)
to work most efficiently, AU+SP is suitable for the wide range of materials and is well applicable under water soluble oil.
DIN
SP-14
65