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Drill Bits(Hole diameter (drill diameter) D:12.0 or more, less than 12.5)

Drill bits are a type of cutting tool to drill holes in work materials. They are used with machine tools such as drill press, lathe, milling machine and machining center. Drill bit materials include alloy carbide, high speed steel powder, high-speed steel, and some of them have coatings such as silicone-based, TiAlN-based, TiCN-based, TiN-based coatings, or surface treatment such as steam oxide treatment for enhanced oil retention on surface. Additionally, there is also a type of machining called thinning, given to the bit tip to reduce the thrust load applied to it when drilling. There are different shapes of thinning such as X-shape (for machining deep holes), R-shape (for machining stainless-steel-based workpieces) and S-shaped (for machining cast-iron- or non-ferrous-based workpieces); each one of them is used accordingly for different features and applications. In recent years, flat drill bits, which can drill holes without bending even on round surfaces, are attracting attention.

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Brand
Product Series
Days to Ship
Hole diameter (drill diameter) D(mm)
Overall Length L(mm)
Groove Length L(mm)
work material
Shank Type
Tool Material Type
With/without Oil Hole
Coating Y/N
Coating Type

    SEC-Multi Drill, SMDH-L, for 5D

    Brand

    SUMITOMO ELECTRIC HARDMETAL

    Product Series

    SEC-Multi Drill, SMDH-L, for 5D

    Days to Ship 4 Day(s) or more
    Hole diameter (drill diameter) D(mm)12.0 or more, less than 12.5
    Overall Length L(mm)130
    Groove Length L(mm)69
    work materialgeneral steel[○] / high hardness steel[○] / Stainless Steel[○] / Cast Iron[○] / Aluminum[○] / Titanium[○]
    Shank Type-
    Tool Material Type-
    With/without Oil HoleAvailable
    Coating Y/NAvailable
    Coating TypeFor High Hardness (Silicon Group)

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