Bsc Preferred QJDIB-MB-021 Masonry Drill Bit 5/16 in

Product Description

The BSC PREFERRED QJDIB-MB-021 is a 5/16-inch rotary percussion masonry drill bit built for use in both standard rotary drills and hammer drills. The carbide tip delivers durable cutting performance in hard masonry materials including brick, concrete block, and poured concrete. An exact-point tip geometry promotes precise hole placement and reduces walking at startup. This bit is a practical choice for HVAC techs, plumbers, electricians, and general contractors who regularly drill anchor and penetration holes through masonry substrates during rough-in and finish work.

The QJDIB-MB-021 is suited for residential and light commercial applications where drilling through brick, block, or concrete is part of routine installation work. Common use cases include setting anchor bolts, routing conduit or pipe penetrations, and mounting equipment to masonry walls. It is sold individually, making it easy to stock as a replacement or add to an existing drill bit set.

Key Features

• Compatible with both rotary and hammer drill operation
• Carbide tip construction for extended service life in hard masonry materials
• Exact-point tip for accurate hole placement and reduced bit walking
• 5/16-inch diameter suits standard anchor and penetration applications
• Lightweight at 0.075 pounds for easy handling and transport

Compatibility

Designed as an OEM-style replacement or direct addition for use with standard rotary and hammer drills accepting a 5/16-inch round or hex shank masonry bit.

Installation Notes

Installation should be performed by qualified trade professionals familiar with masonry drilling procedures. Ensure the drill is set to the correct mode - rotary for softer masonry or hammer mode for hard concrete and block - before beginning. Wear appropriate eye and respiratory protection when drilling masonry to guard against dust and debris. Confirm bit seating and chuck tightness before operation.