Centre drill bit DIN 333 shape A 60° HSS 1.25 mm

Technical data

Brand: HHW
Cutting edge diameter: 1,25 mm
Shank diameter: 3,15 mm
Min./max cutting edge length: 1.6-2.0 mm
Length: 31,5 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: 0,03 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: 0,01 mm/r
Coolant supply: External
Cutting direction: Right-hand cutting
Max. cutting edge length: 2,0 mm
Min. cutting edge length: 1,6 mm
Number of cutting edges: 2
Tolerance of cutting edge diameter: h7
Angle of the tip: 118 Degree
Diameter 2: 3,15 mm
Material to be processed: Universal use
Min./max. f in cast iron: 0.02-0.03 mm/U
Min./max. f in non-ferrous metals: 0.03-0.03 mm/U
Min./max. f in steel: 0.02-0.03 mm/U