2 PCS 10mm Straight Shank Electric HSS Twist Drill Bit

Specification: 

Product Name   Twist Drill Bit Material HSS Shank Diameter 10mm / 0. 39" Bit Diameter 10mm / 0.39" Flute Length 90mm/3.54" Total Length 130mm/5.1" Color     Gray Weight   97g Package Content 2 x Twist Drill Bit Description:

• Straight shank twist drill bit, for electrical drilling working. use for drilling plastic, metal, aluminum and metal.
• The flutes act as an Archimedean screw and lift swarf out of the hole.
• Shoule be use with electrical drilling machine.(here is not included)