[Specifications and packaging]: 13 Piece hex shank drill bit set,Include size:1/16″,5/64″,3/32″ ,7/64″,1/8″ ,9/64″,11/64″ 13/64″,7/32″,3/16″,5/32″,1/4″,15/64″all in PVC holder.
[Fitment]: Metal twist drill bit set with high hardness,can be widely used in Steel,Wood, Plastic, etc. Ideal for DIY, home and general building/engineering using.Ideal impact drill bit set and drill bits for metal.
[Material]: Impact drill bits are made of high speed steel,with titanium coating for capability and durability.
[Advantage]: The 135° double back-angle cuttings placement of the twist drill bits not only ensures cutting speed, but also prevents skidding when drilling starts.
[Performance Upgrade]: Hex shank twist drill bit set Special plug hex shank of quick change drill bit is an upgrade version, it shows excellent performace than normal pressed hex shank, avoid drills peeling from the hex shank, effectively keep hex shank locked with drill bits during impact drilling process.