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high speed steel jobber length drill bits, roll-forged & polished
Item No.：YEYI-40011
Description:
hot roll-forged flute with special heat treatment gives additional toughness with increased durability of the drill bit.
118 degree point angle design for general purpose.
polished flute for the most accurate hole dimensions and high concentricity.
economical high speed steel bit for general drilling.
for drilling in steel, cast steel, malleable iron, sintered metal, non-ferrous metal and plastic.
Item No.：YEYI-40011
Description:
hot roll-forged flute with special heat treatment gives additional toughness with increased durability of the drill bit.
118 degree point angle design for general purpose.
polished flute for the most accurate hole dimensions and high concentricity.
economical high speed steel bit for general drilling.
for drilling in steel, cast steel, malleable iron, sintered metal, non-ferrous metal and plastic.