6.25in Asphalt Core Drill Bit (Open-Head)

6.25in (159mm) OD Asphalt Core Drill Bit (Open-Head)

The 6.25in (159mm) OD Asphalt Core Drill Bit (Open-Head) is a professional-grade tool designed for use with electric or gasoline-powered core drills. It is specifically engineered to obtain drilled asphalt cores for evaluation and laboratory testing, making it an essential tool for engineers, contractors, and construction professionals.

Performance & Durability

Built for high-output, heavy-use applications, this diamond core drill bit delivers fast, precise cuts when used as designed with water for wet-use applications. When the bit becomes worn over time, it can be refurbished, making it a cost-effective long-term investment. The final core diameter is approximately 0.25in (6.4mm) smaller than the nominal outside diameter, yielding a nominal core diameter of 6in (152mm).

Mounting & Compatibility

This open-head bit requires a properly sized Expander Set for Open-Head Asphalt Coring Bits to attach securely to the drilling machine. The 6.25in Expander Set for Open-Head Drill Bits is sold separately.

Features:

• Nominal core diameter: 6in (152mm)
• Compatible with electric or gasoline-powered core drills
• Designed for wet-use with asphalt
• Refurbishable when worn
• Fast-cutting diamond construction

Included Items:

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

Required Accessories:

• 6.25in Expander Set for Open-Head Drill Bits

Specifications:

• Material: Asphalt
• Nominal Bit Size (OD): 6.25in (158.8mm)
• Mounting Connection: Open-Head

Standards Compliance:

• AASHTO T 24M/T 24
• ASTM C42/42M