- High-concerned chemical: None
- Degree: R1.0
- Diameter: 1mm 2mm 3mm 4mm 5mm 7mm 9mm 6mm 8mm 10mm 11mm 12mm 14mm 13mm 16mm 20mm
- Coating: TIAIN
- Origin: Mainland China
- Model Number: BK4055 BB2055 BL2060
- Brand Name: BB
- Type: End Mill
- Material: Carbide
- Overall Length: 50~150mm
- Type: Flat End Mill
- Teeth: 2 Flutes 4 Flutes

BB® Tungsten Steel Solid Carbide End Mills
Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid tool-holding systems.

Industrial Design
Negative front angle and large chip space.Easier roughing and finishing processing.
Decreasing the times of changing cutters,Saving production time.
Helix Angle:35 deg, high adaptability to the material and hardness of workpieces, widely used to mold and product processing and cost efficient.

Coating:Good coating can improve tools life and production efficiency, as well as solve the cutting problems.

Application
Used in Milling Machine.,CNC,Drill press,Engraving machine. Metal, woodworking, alloy steel, stainless steel, etc
BB 2 flutes end mills is widely used in slotting, sinking etc.
3 flutes for aluminum,non-ferrous metal.
4 flutes, high rigidity, widely used in shallow slot, profile milling, and finish machining.

Dementions
Tolerance of End Mill Diameter:
1 < D≤6 -0.010 ~ -0.030
6 < D≤10 -0.015 ~ -0.040
10 < D≤ 20 -0.020~-0.050

BB® BB2055 Carbide End Mills
Color: Copper.
Density: 14.5 g/cm3
Hardness: HRA 92
Grain Size: 0.6um
Bending Strength: 3000N/mm2
Raw material: Use ZK30UF with 10%Co content and 0.6um grain size.

Coating: TiSiN, with very high surface hardness and good wear resistance.
Suitable for milling general steel under HRC 45, stainless steel, hardened steel, etc

BB® BL2060 Carbide End Mills
Color: Blue.
Density: 14.5 g/cm3
Hardness: HRA 93
Grain Size: 0.4um
Bending Strength: 4000N/mm2
Raw material: Use GU25UF with 12% Co content and 0.4um grain size.

Coating: AlTiSiN, with the hardness and thermal stability are up to 4000HV and 1200 ℃, respectively.
Suitable for machining stainless steel, hardened steel, titanium alloy, etc.HRc<55.



BB® BK2063 Series
-Geometry :45°
-For High hardness,HRC52~68
-Unique diamond coating technology, hardened milling cutter body.
-For Oxygen cutting material, welding parts, die steel, tool steel, heat treatment of high hard stainless steel, high hard material, etc
SKD11、718H、P20、Cr12、430、630.

Cutting Parameters
ap=1/3D(1/8-1/2D)
ae=1/2D(1/4-1D)
fz=0.15mm(0.02-0.2)
!Please adjust the parameters accroding to the material and hardness of workpieces.

Our Factory
Precise Quality Control Policy – From raw materials to finished products, we insist on a high standard of inspection to make sure every product shares equivalent and stable quality.

BB® BK40 Series
BK4055 Unequal spiral angle, asymmetric design, reduce vibration and improve stability.
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SHIPMENT
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