Indexable carbide center drills. Pilot diameter Ø1mm ~ Ø10mm (0.039″ ~ 0.394″). DIN 332 A, A+B, R forms and ANSI 60°.
• The “i-Center” is a trademark of Nine9, the developer of the first indexable center drill in the world.(Patented)
• Excellent repeatability! 0.02mm (0.0008″) in radial direction, 0.05mm (0.002″) axial positional accuracy.
• High pressure coolant can be supplied through center directly to tip of center drill insert.
• 4 forms are available. DIN 332 form R, DIN 332 form A+B , DIN 332 form A and ANSI 60°.
• No need tool length re-setting while tool changeovers, save lot time!
IC Holder Shank
ØInsert 08 
10 - Form R, Ød1: 1.0~2.0mm
- Form A+B, Ød1: 1.0~2.0mm
- Form A, Ød1: 2.0~3.15mm
10 
12 - Form R, Ød1: 1.0~3.15mm
- Form A+B, Ød1: 1.0~3.15mm
- 60°, 90 & 120° Spotting & Countersink
12 
16 - Form R, Ød1: 2.0~3.15mm
- Form A+B, Ød1: 2.0~3.15mm
- ANSI 60°, Ød1: 5/64”~1/8″
16 
16 - Form R, Ød1: 4.0~5.0mm
- Form A+B, Ød1: 4.0~5.0mm
- ANSI 60°, Ød1: 3/16”
20 
20 - Form R, Ød1: 6.3~8.0mm
- Form A+B, Ød1: 6.3~8.0mm
- ANSI 60°, Ød1: 7/32”~5/16”
25 
25 - Form R, Ød1: 10mm
- Form A+B, Ød1: 10mm
- ANSI 60°, Ød1: 3/8”