19pcs Finely Milled Twist Drill Bit Set

19pcs Finely Milled Twist Drill Bit Set

Category:

135 double rear corner design, additional self centering function, accurate drilling, sharp cutting, efficiency increased by 40%
M35 cobalt containing high-speed alloy steel, with super strong wear resistance and longer service life
Spiral chip removal groove, eliminating retention and quickly removing chips
Exquisite storage box, more convenient for storage, no loss or disorder Comfortable work
Purpose: Suitable for various metals such as stainless steel, iron, copper, aluminum alloy, etc

product    NO. size BOX/cin(pcs) Gross/Net  weigh rlkg) cn  size lom)
BK – 3 8 0 5 0 1 1 9 pcs 1 / 2 5 2 2 / 2 1 4 0 x 2 5 x 18

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