Nachi
Nachi SG Spiral Taps Burrless
Manufacturer: Nachi-fujikoshi corp
Model: SG Spiral
Geometry and Features
Zero burr with cutting the internal diameter area on internal thread
S-edge (Shaving edge)
No gap between thread root area of tap and pre-hole design acheves Zero burr!
G-chamfer (Guide chamfer)
Chamfered rake face reduce the chipping of cutting edge by chip biting
Performance
Burr height of internal thread
Realized Burr zero on internal diameter of internal thread
Long Tool Life
Long tool life as same as multipurpose Taps
Stable internal diameter accuracy lead Burr zero performance. even near to the end of tool life
Reduces chipping and achieves same tool life equivalent to multipurpose taps
