Our Company

DOI BK

We support maintaining optimal performance
through various part replacements and repairs,
ensuring meticulous care.

Product

A company providing innovative technology to customers

Round Bars & Plates

Has standardized round bars and a wide range of materials suitable for machining

Improved surface finish even at higher feed speeds

Durability remains unchanged under heat

Materials and sizes designed for press dies

Minimally necessary pre-processing to suppress heat and cracking during punching

Broad material selection offers superior wear resistance and durability

 

Part

Type

Hardness Range

Application

Drill

K 88~91

All types of metal

 (hole drilling)

End Mill / Reamer

K / UF  90~92

Hole dimension accuracy

Semiconductor

EF / F  90~92.5  IT / Lead frame

Secondary Battery

EF / F 90~92.5

Notching die

Plates

K / F/ EF / GF 88~93.5

Various punches and dies

 for wire materials

본문

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