Brunner and Lay
Company Shapshot
Brunner & Lay stands as a testament to over 140 years of craftsmanship, innovation, and resilience—evolving from a Chicago blacksmith shop to a globally trusted supplier in mining, construction, and demolition. Its enduring family governance, deep roots in major infrastructure projects (like Mt. Rushmore, Hoover Dam, the Chunnel, and Olympic venues), and relentless R&D underscore its lasting influence and reliability in the industry.
Products
Rock Drilling Tools – Includes taper drill bits, intraset, reaming equipment, high‑frequency hardened drill steels, and Rok‑Bits, engineered for tunneling, drifting, and production drilling missions.
Arrow Straight‑Hole Drilling Tools (2024) – Brunner & Lay introduced this new line, offering versatile thread styles (T-38, T-45, T-51, B-60) to work seamlessly with the Tubular Drill Rod System for enhanced hydraulic drilling performance
Dual‑Drive Bolter Steel – Designed to protect threaded connections by isolating them from bending forces; claims report 20–50% longer thread life in challenging geological conditions.
Bit resharpening and rod refurbishment services to extend tool lifespan, maintain precision, reduce waste, and boost sustainability.
Drilling Systems that optimize energy transmission from drifter to rock, including top‑hammer bits, threads (both industry-standard and proprietary BR series), and in-house steel rolling—covering diameters from 28 mm to 204 mm.