The store will not work correctly when cookies are disabled.
We use cookies and tracking technologies to improve your experience and analyze site usage. Some information may be shared with third parties for analytics and advertising. You can accept all cookies or decline non-essential tracking. To find out more about the cookies we use, see our Privacy policy.
Take your drilling performance to the next level with the Spyder Stinger Mach-Blue Armor Plated high speed steel HSS step drill bits. These revolutionary bits feature advanced M-series alloy tool steel construction, proprietary heat treatment, and Mach-Blue Armor Plating to retain sharper cutting edges for longer, reduce heat build-up, and increase durability, rigidity, and breakage resistance. Ideal for electrical work and other applications in sheet metals, these bits are the pro's choice for precision drilling, extended bit life, and value. Use them to enlarge existing holes, increase efficiency, and achieve professional-grade results in a variety of industries.
Top product features:
The bits retain sharper cutting edges for longer.
They have reduced heat build-up and cutting friction.
The Mach-Blue Armor Plating combined with the advanced M-series alloy tool steel construction and proprietary heat treatment make these bits truly revolutionary.
Spyder Stinger Mach-Blue Armor Plated high speed steel HSS step drill bits are high-performance metal drilling bits that provide exceptional quality and durability, drilling performance, and value. The Mach-Blue Armor Plating combined with the advanced M-series alloy tool steel construction and proprietary heat treatment make these bits truly revolutionary - they retain sharper cutting edges for longer, have reduced heat build-up and cutting friction, and increased durability, rigidity, and breakage resistance. These incredibly durable bits are the pro's choice for precision drilling, extended bit life, and value. Ideal for electrical work and other applications in sheet metals, including enlarging existing holes.