6.25in Asphalt Core Drill Bit (Closed-Head)

6.25in Asphalt Core Drill Bit (Closed-Head)

The 6.25in (158.8mm) Asphalt Core Drill Bit (Closed-Head) is a professional-grade coring tool designed for use with both electric and gasoline-powered core drills. Built for precision and durability, this bit is ideal for obtaining drilled asphalt cores for evaluation and testing purposes.

Construction & Design Constructed as a seamless, one-piece unit, this core bit attaches directly to the drilling machine for easy and secure operation. Its closed-head mounting connection ensures a stable fit, making it particularly well-suited for light to medium-duty applications. When the bit becomes worn, it can be refurbished, extending its lifespan and offering long-term value.

Specifications

• Nominal Bit Size (OD): 6.25in (158.8mm)
• Overall Length: 20.5in (520.7mm)
• Maximum Coring Depth: 13in (330.2mm)
• Final Core Diameter: Approximately 0.25in (6.4mm) smaller than the nominal outside diameter
• Mounting Connection: Closed-Head, fits standard core drills with 1-1/4" diameter, 7 threads per inch

Performance Designed for wet use, this diamond coring bit delivers fast-cutting performance when used as recommended. Its advanced diamond composition ensures efficient cutting through asphalt surfaces, reducing downtime and improving productivity on the job.

Compliance This core drill bit complies with both ASTM C42/42M and AASHTO T 24M/T 24 standards, ensuring reliable and accurate results that meet industry requirements.

Included Items

• 6.25in Asphalt Core Drill Bit (Closed-Head)