Radnor 64004906 5/32'' X 5/32'' Shank High Speed Steel, Black Oxide, 135° Split Point, Self Centering, Jobber Length Drill Bit (12 PER CASE) Head & Eye & Face Protection provide a special construction that

provide a special construction that helps prevent unwinding of knots and a quick mount threaded nut

slow-recovery foam is comfortable and helps with Earplugs fitting

It's non-conductive

Reduces squeezing pressure on the head and enhances comfort

KEEP FINGERS CLEAR OF MACHINE WHILE IN MOTION

Radnor 64004906 5/32'' X 5/32'' Shank High Speed Steel, Black Oxide, 135° Split Point, Self Centering, Jobber Length Drill Bit (12 PER CASE) Head & Eye & Face Protection provide a special construction thatRadnor black oxide bits offer superior durability, speed and selection for most general purpose applications. Best for cutting holes into metal and work equally well in wood and plastic drilling. Use in steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon and composite materials.