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Sumiboron Ball End Mill BNBS Type

Sumiboron Ball End Mill BNBS Type

By combining high-toughness material and innovative spiral shape, highly efficient end mill machining of high-hardness hardened steel has become possible.

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Part Number

Configured Part Number is shown.

 
Part Number
BNBS2020S
BNBS2030S
BNBS2040S
BNBS2060S
BNBS2080S
BNBS2100S
BNBS2120S
Part NumberVolume DiscountDays to ShipR Size
(mm)
Flute Length (ℓ)
(mm)
Overall Length (L)
(mm)
Link Diameter (φDs)
(mm)
Flute Diameter D
(mm)
4 Day(s) or more 11.55042
4 Day(s) or more 1.526063
4 Day(s) or more 237064
4 Day(s) or more 34.58066
4 Day(s) or more 45.59088
4 Day(s) or more 56.51001010
4 Day(s) or more 67.51101212

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Basic Information

Type Bore Work Material Pre-Hardened Steel, Tool Steel, Die Steel / High-Hardness Steel HRC45 ~ 55 / High-Hardness Steel HRC55 ~ 60 / High-Hardness Steel HRC60~ Number of Flutes(sheet) 2
Coating Non-Coated R Precision(μm) ±0.02 Processing Applications R-Groove

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