Technical data:
Nominal ⌀ DC:10 mm
Coating:TiAlN
Tool material:Solid carbide
Standard:Manufacturer’s standard
Version:16×D
Tolerance nominal ⌀:h7
Number of cutting edges Z:2
Point angle:135 degrees
recommended maximum drilling depth L2:165 mm
Shank:DIN 6535 HA to h6
Through-coolant:yes, with 40 bar
Machining strategy:HPC
Pilot drill required:yes, pilot drill
Flute length Lc:180 mm
Overall length L:225 mm
Shank ⌀ Ds:10 mm
Feed f in steel < 900xa0N/mm2:0.16 mm rev.
Colour ring:green
Type of product:Jobber drill
Version:
Spiral fluted, with 4 guide chamfers and internal cooling channels. New generation of high performance deep hole drills in the HPC range.With 135° point angle and special h7 cutting edge tolerance for optimum generation of a deep hole.High roundness and alignment accuracy of the deep hole.
Note:
Flute length LC = L2 + 1.5 × DC.For process reliability when using the 16×D deep hole drill, an initial centre drilling with No. 121068 – 121121 or 4×D pilot drilling operation with pilot drill No. 122736 is necessary. For deep holes greater than 20×D, a pilot hole to the maximum drilling depth with pilot drill No. 122736 is absolutely essential. The generation of a pilot hole improves process reliability.
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