Gilson Asphalt Diamond Coring Bits
CDA-242 4.25in Asphalt Core Drill Bit (Open-Head) is used with electric or gasoline-powered Core Drills to obtain drilled asphalt cores for evaluation and laboratory testing. The bit requires a properly sized Expander Set for Open-Head Asphalt Coring Bits for attachment to the drilling machine. It performs well in high-output, heavy-use applications, and can be refurbished when worn. Diamond Coring Bits are designed for wet-use with asphalt, and are fast-cutting when used as designed. The 14in (356mm) length enables cutting cores up to 13in (330mm) long. Final core diameter is approximately 0.25in (6.4mm) smaller than nominal outside diameter.
Features:
- Core lengths up to 13in (330mm)
- Meets ASTM and AASHTO standards
- Uses Expander Set to attach to drill machine
Included Items:
4.25in Asphalt Core Drill Bit (Open-Head)
Accessories:
CDA-46 4.25in OD Expander Set for Open Head Bits is required to connect bit to drill
Specifications
- Application: Asphalt
- Nominal Bit Size, OD: 4-1/4in (108mm)
- Mounting Connection: Open-Head
- Estimated Shipping Weight: 9.0lb (4.08kg)
Meets Standard(s):
- AASHTO T 24M/T 24
- ASTM C42/42M