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Centre drill bit DIN 333 shape A 60° HSS 3.15 mm

Centre drill bit DIN 333 shape A 60° HSS 3.15 mm

Centre drill bit DIN 333 shape A 60° HSS 3.15 mm
Item no: 1010869 112 

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Available for immediate delivery

Application
For centre drilling on conventional and CNC machines.

Execution
Spiral-fluted design with relief grinding. Diameter 0.5-0.8, ground on one side

Advantage
Radial relief ensures optimum chip breaking


Brand: LIZZARD
Material to be processed: Universal use
Cutting edge diameter: 3,15 mm
Shank diameter: 8,00 mm
Min./max cutting edge length: 3.9-4.6 mm
Length: 50 mm
Form: A
Cutting material: HSS
Surface: Uncoated
Countersink angle: 60 Degree
Tool holding device: HA parallel shank
DIN: 333
Cutting speed (steel 700) Vc: 35,00 m/min
f steel 700: 0,05 mm/r
Cutting speed (steel 1000) Vc: 20,00 m/min
Cutting speed (steel 1300) Vc: 10,00 m/min
Cutting speed (aluminium short) Vc: 50,00 m/min
Cutting speed (aluminium long) Vc: 70,00 m/min
Cutting speed (cast) Vc: 20,00 m/min
Cutting speed (VA mar) Vc: 10,00 m/min
f titanium: 0,02 mm/r
Coolant supply: External
Cutting direction: Right-hand cutting
Max. cutting edge length: 4,6 mm
Min. cutting edge length: 3,9 mm
Number of cutting edges: 2
Tolerance of cutting edge diameter: h7
Angle of the tip: 118 Degree
Diameter 2: 8,00 mm
Min./max. f in cast iron: 0.08-0.10 mm/U
Min./max. f in non-ferrous metals: 0.10-0.10 mm/U
Min./max. f in steel: 0.08-0.10 mm/U

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