5pcs tin-coated HSS twist drill bit set

Feature highlights：

Edge ground HSS drill bit

Tin-coated surface keep low abrasion and longer life time for the drill bit

Drill bit packed in handy plastic case

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specification

5pcs tin-coated HSS twist drill bit set

High speed steel body drill bit

Hot-rolled flute with sharped cutting edge, give the drill bit additional toughness and sharpness

Drill bit has 118 degree point angle design for general purpose

Polished flute for the most accurate hole dimensions and high concentricity

Titanium nitride coating ensure longer using life.

For drilling in steel, cast steel, malleable iron, sintered metal, non-ferrous metal and plastic

Specification:4,5,6,8,10mm

5pcs-HSS-twist-drill-bits-tincoated