1 pcs High Speed Steel 1/2 Drill Straight Shank Twist Drill Bit 21mm

Description:

Made of high speed steel construction for proven capability and durability.
Twist design: increases cutting speed with self-centering and prevents walking, clears chips and particles faster
Suitable for all kinds of stainless steel, ordinary steel, angle iron, aluminum, copper, wood and other materials drilling.
For precise drilling, electronic assembling, tool making, model making, jewelry engraving, and hobbies.
Set includes: 21mm, 22mm, 23mm, 24mm, 25mm, 26mm, 27mm, 28mm

Specification:

Material: high speed steel

Size Chart:

Size: 21mm/0.83inch, 22mm/0.87inch, 23mm/0.91inch, 24mm/0.94inch, 25mm/0.98inch, 26mm/1.02inch, 27mm/1.06inch, 28mm/1.10inch

Package Includes:

1 Piece Twist Drill Bit