4.25in Asphalt Core Drill Bit (Open-Head)

4.25in Asphalt Core Drill Bit (Open-Head)

The 4.25in Asphalt Core Drill Bit (Open-Head) is a professional-grade tool designed for use with electric or gasoline-powered core drills. Built for obtaining drilled asphalt cores for evaluation and laboratory testing, this bit is a reliable choice for high-output, heavy-use applications. When worn, it can be refurbished, making it a cost-effective long-term investment.

This diamond coring bit is designed for wet-use with asphalt and delivers fast, precise cutting when used as intended. Please note that the final core diameter is approximately 0.25in (6.4mm) smaller than the nominal outside diameter.

To attach the bit to your drilling machine, you'll need a properly sized Expander Set for Open-Head Asphalt Coring Bits (sold separately).

Features:

• Meets ASTM and AASHTO standards, ensuring reliable and accurate results
• Compatible with electric or gasoline-powered core drills
• Designed for wet-use with asphalt for fast, clean cuts
• Refurbishable for extended use and cost savings
• Uses Expander Set for secure attachment to the drill machine

Included Items:

• 4.25in Asphalt Core Drill Bit (Open-Head)

Required Accessories:

• 4.25in OD Expander Set for Open-Head Bits (required to connect the bit to the drill)

Specifications:

• Application: Asphalt
• Nominal Bit Size OD: 4.25in (108mm)
• Mounting Connection: Open-Head
• Meets Standards: AASHTO T 24M/T 24, ASTM C42/42M