Irwin · Masonry Drill Bits

Irwin Granite Masonry Drill Bit 4mm 80mm Pack of 1

The Irwin Granite Masonry Drill Bit at 4.0mm diameter x 80mm length is a versatile workhorse size for general fixing and installation work. This diameter is commonly used for brown and red rawlplugs, lightweight bracket installations, and a wide variety of standard masonry fixing applications in granite, concrete and natural stone. Featuring an extra hard, thicker carbide tip, this 4mm bit can drill up to 40% more holes than conventional masonry drill bits, delivering exceptional value and longevity. The rounded cutting edges ensure higher durability whilst producing 50% more accurately sized holes per bit, meaning your fixings seat properly and hold securely without wobble or movement. At 80mm overall length, this drill bit provides sufficient depth for most common fixing scenarios whilst maintaining excellent control and precision throughout the drilling process, making it an essential addition to any professional toolkit. Features and Benefits: • 4.0mm diameter x 80mm length for general-purpose masonry drilling • Drills 40% more holes than conventional bits due to robust carbide tip • Rounded cutting edges produce 50% more accurately sized holes • Suitable for impact/percussion drilling in granite, concrete and natural stone • Ideal length for standard fixing applications and everyday use Specifications: Diameter (mm): 4 Working Length (mm): 45 Overall Length (mm): 80 Pack Qty.: 1

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