SPYDER 19025 Mach-Blue 1/8”-1/2” & 3/16”-7/8” Step Bit Set 311128 extra-tough steel plate and proprietary

extra-tough steel plate and proprietary carbide tips deliver longer life — and frames more houses — than other framing blades

(mm):  1-1/4 (31

Manufactured for superior strength and durability

two-position forced air zone control panel

SPYDER 19025 Mach-Blue 1/8”-1/2” & 3/16”-7/8” Step Bit Set 311128 extra-tough steel plate and proprietarySPYDER 19025 Mach Blue 1 8 1 2 & 3 16 7 8 Step Bit Set 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