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4 inch Diamond Concrete Core Bits

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Field Tested  |  Thin Steel Wall  |  Laser Welded Segments  |  Long Life Span

Constructed with grade A, arranged diamonds for extremely fast drilling and coring. Laser welded segments and a thin steel core increase reliability and decrease vibrations. Above average segment height increases the cutting life of the core bit.

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 Application: Fast efficient coring and drilling
Operation: Wet
Material: Concrete (all types), asphalt, masonry, pavers, bricks and blocks.
Tip: Diamond segments
Drilling Mode: Rig-mounted
Recommended RPM See Table
Bit Diameter:  4 or 4.5"
Bit Length: 16 or 18"
Bit Thickness: 0.125"
Segment Height 0.400"
Weight 6.5 lbs to 7.7 lbs
Availability IN STOCK
Thread Size

1-1/4” Standard Industry Size

Standard UNC (United National Coarse) thread sizes. Not all branded tools fit a standard thread, please check before purchasing.


Required for HILTI BOSCH.

View Adapters Available

*Select size for specific sizing options

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