Cylindrical shank
- • Made of hardened high alloy steel, 58 HRC.
- • Internal coolant.
- • Also can fit with ACE 90°, 120° and 142° carbide insert for spotting.
- >> See 90°, 120° and 142° insert.
![ACE Spot Drill](https://nine9.jic-tools.com.tw/upload_files/products/ACE/ACE_spot_drill_holder_3.jpg)
Screw Fit Cutter
- • Made of hardened high alloy steel, 53 HRC.
- • Internal coolant.
- • Also can fit with ACE 90°, 120° and 142° carbide insert for spotting.
- >> See 90°, 120° and 142° insert.
![Spotting drill_screw fit type](https://nine9.jic-tools.com.tw/upload_files/products/ACE/screw_fit.jpg)
Insert
• 2-flutes deged is symmetric, it reduces the lateral force.
• The dual point angles ensure strength at the centre to prevent fracturing.
• Each insert has 2 cutting edges.
- NC2057: Universal grade for alloy steel and cast iron.
- NC5254: For stainless steel.
- XP9000: For non-ferrous material such as aluminum, titanium, brass, copper and long cutting chip metal. High positive geometry and sharp edge produces excellent surface finish.
![ACE spotting drill_60 deg carbide insert](https://nine9.jic-tools.com.tw/upload_files/products/ACE/ACE_spotting_drill_60_deg_carbide_insert_3.jpg)
![](https://nine9.jic-tools.com.tw/upload_files/products/ACE/ACE_spotting_drill_60_deg_carbide_insert_Specifications.jpg)