ATORN centre drill with radius, HSS form R, 6.3 mm x 16 mm x 71 mm

Part Number: 11010063
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Centre drill HSS
• with radius
• Execution: shape R, countersink angle 60 degree, with radius, relief ground, with spiral flutes
• Advantages: The radius compensates positional imprecisions of the lathe centres. Reduced risk of breakage of the centre drill bit (no sharp transition).
• Dimensions: diameter 0.5 and 0.8 mm, only available for single-sided cutting.
• Drill diameter d 6,3 mm
• Body diameter D 16 mm
• Overall length L 71 mm
• Pilot length l 16,0-16,6 mm
• Radius 16 mm 
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