19pcs 19 plastic box of straight shank twist drill HSS twist drills

Description:

Made of high quality high speed steel, high cutting speed, long working life, chip abilities, and other characteristics. The sets using common specifications, is the maintenance of user preferences.

Application and cast iron, carbon steel, tool steel and other metals

Note:

Twist drills are changeable within all suite into other materials production technology of surface treatment of the twist drill prices please!

Size (mm):

1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10