Spyder 3/16″ x 3-9/16″ HSS Twist Drill Bit Stinger Mach-Blue

Spyder Stinger Mach-Blue Armor Plated high speed steel (HSS) bits are high performance metal and wood drilling bits that provide exceptional drill bit 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 pros choice for precision drilling, extended bit life and value.

Why Choose Spyder Stinger Mach-Blue

• Up to 100x more holes than titanium or black oxide drill bits
• Up to 8x faster than titanium or black oxide drill bits
• Proprietary Mach-Blue Armor Plating is a super hard surface that retains sharper cutting edges, and reduces heat build-up and cutting friction resulting in faster cuts and exceptionally long drill life
• Impact-rated 1/4 speed hex wont slip in conventional 3-jaw chucks and ideal for use in quick change impacting power tools
• Optimized 137 self-centering split point cutting geometry wont walk or wander even on pre-hardened or curved surfaces
• Advanced M-Series alloy tool steel construction and proprietary heat treatment increase drill bit durability, rigidity and breakage resistance
• Ideal for drilling wood with nails, stainless steel, mild steel, aluminum, stacked materials and other tough to drill alloys
• Made in the USA