4" Diam x 1-1/4" Hole x 1/4" Thick, N Hardness, 220 Grit Surface Grinding Wheel MPN:03569068

The Maintenance Drill Bits are ideal for use in heavy duty drilling operations that require high precision and accuracy. With a drill point angle of 135 degrees, these bits delivers superior penetration and performance when drilling through stainless steel, mild steel or even cast iron materials with relative ease. Manufactured using high-speed steel (HSS), this durable bit offers excellent heat resistance during prolonged use while its hex shank provides quick change functionality without the need for additional bits. Perfectly suited for industries such as construction, manufacturing and engineering that rely on repetitive drilling tasks, these maintenance bits deliver consistent results regardless of the application or environment - making them a go-to choice for professionals seeking optimal performance in demanding conditions.