MACHINING PROCESSES HIGH PERFORMANCE DRILLING
Centering ≤ 9xd — Art. 50810/50812/50814/50818
Without Centering
Center Drilling
• Smooth entering surface
• Rough or uneven entering surface
Pilot Hole Drilling > 9xd — Art. 56036/50950
Pilot Hole Drilling
Pilot Hole Drilling
• Smooth entering surface
• Rough or uneven entering surface
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