ATORN centre drill with protective sinking, HSS form B 4.0 mm x 14 mm x 67 mm

Part Number: 11012040
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Centre drill HSS
• with protective sinking
• Execution: shape B, countersink angle 60 degree / 120 degree, without bead, relief ground, with spiral flutes, 120 degree protective sinking
• Drill diameter d 4,0 mm
• Body diameter D 14 mm
• Overall length L 67 mm
• Pilot length l 5,0-5,6 mm