Irwin IR61120 Masonry Drill Bit 3/8 X 4 Inch Carbide Tipped

Product Description

The IRWIN IR61120 is a carbide-tipped masonry drill bit designed for rotary drilling into concrete, block, brick, and mortar. The cutting tip is brazed with a tungsten carbide insert that resists the abrasion of hard masonry materials, while the straight shank seats securely in standard rotary drill chucks. With a 3/8-inch cutting diameter, 4-inch overall length, and 1/4-inch shank diameter, this bit is sized for light-duty anchor and fastener holes in residential and light commercial masonry applications. It is an economy-grade bit suited for occasional use by trade professionals who need a cost-effective solution for low-volume masonry work.

This bit is appropriate for drilling pilot holes and anchor-set holes in poured concrete, cinder block, brick veneer, and similar masonry substrates. It is commonly used by HVAC technicians, electricians, and plumbers running penetrations or setting anchors during equipment installation. The 4-inch overall length provides enough reach for typical wall and slab anchor applications without requiring a bit extension.

Key Features

• Carbide-tipped cutting edge for abrasion resistance in masonry materials
• 3/8-inch cutting diameter suitable for standard anchor and fastener holes
• 1/4-inch straight shank compatible with standard rotary drill chucks
• 4-inch overall length for typical wall and slab penetrations
• Economy-grade construction for cost-effective, low-volume use

Compatibility

Designed for use with standard rotary drills accepting a 1/4-inch straight shank. Not intended for hammer or rotary-hammer mode use without confirming drill compatibility.

Installation Notes

This bit is installed by trade professionals including electricians, plumbers, and HVAC technicians performing masonry penetrations. Use with a standard rotary drill at appropriate speed for masonry; excessive speed or pressure can overheat and damage the carbide tip. Confirm the drilling surface is free of embedded rebar or conduit before beginning. Wear appropriate eye and respiratory protection when drilling masonry materials.

Technical Specifications

• Cutting Diameter: 3/8 inches
• Overall Length: 4 inches
• Shank Diameter: 1/4 inches
• Shank Type: Straight
• Tip Material: Carbide Tipped
• Drill Type: Rotary
• Package Type: Carded
• Sold As: Each
• UPC: 042526611209

Standard Information

• Brand: IRWIN
• Manufacturer Part Number: IR61120