Nachi
Nachi AQUA EX 3 Drill Flutes Regular


Manufacturer: Nachi-fujikoshi corp
Model: AQUA EX 3
Outline
High-accuracy drilling
Achieves high-accuracy drilling up to a depth of 5D with a 3-flute design that delivers excellent cutting balance
Long tool life
Features fine cemented carbide for excellent chipping resistance and AQUA EX coating for enhanced resistance to heat and wear
Improves chip fragmentation and evacuation
Optimized flute geometry and cutting-edge design improve chip fragmentation and evacuation for stable drilling
Lineup
5D: Ø3-Ø16
*Cutting fluid is supplied externally
Features
A 3-flute drill with an optimized flute geometry and cutting-edge design for an excellent cutting balance
High-accuracy drillingFeatures a 3-flute design that achieves excellent cutting balance. as well as high-accuracy drilling capable of a reamerless process up to a depth of 5D
AQUA EX coating with enhanced resistance to heat and wear
AQUA EX coating
Oxidation resistance evaluation
Low-carbon steelsSoft steelsSS400, S10C~150HB | Carbon steelsAlloy steelsS45C, SCM440~225HB | Pre-hardened steelsHigh alloy steelsSUJ, NAK~275HB | Tempered steelsSKD, SKH30~40HRC | Tempered steelsSKD, SKH40~50HRC | Hardened steels50~65HRC | |
| Stainless steelsSUS304 | ✕ | ✕ | ✕ | ✕ | ✕ | ✕ |
| Stainless steelsSUS420 | ○ | ◎ | ◎ | ◎ | ◎ | ○ |
| Heat-resistant alloyTi/Ni Alloys | ✕ | ✕ | ✕ | ✕ | ✕ | ✕ |
| Cast ironFC/FCD | ○ | ○ | ○ | ○ | ○ | ○ |
| Aluminum alloyAC/ADC | ✕ | ✕ | ✕ | ✕ | ✕ | ✕ |
| Copper / copper alloyCu | ✕ | ✕ | ✕ | ✕ | ✕ | ✕ |











