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Core Bits 

Core Bits

Simpson Strong-Tie® Core Bits are made to the same exacting standards as our standard carbide-tipped drill bits. They utilize a centering bit to facilitate accurate drilling in combination hammer/drill mode.

Product Information Tables

One-Piece Core Bits with Centering Bit – SDS-MAX Shank
Dia. (in.) Drilling Depth (in.) Overall Length (in.) Model No.
1 1/2 6 1/4 11 3/8 CBMX15011
22 CBMX15022
2 6 1/4 11 3/8 CBMX20011
22 CBMX20022
2 5/8 6 1/4 11 3/8 CBMX26211
22 CBMX26222
3 1/8 6 1/4 11 3/8 CBMX31211
22 CBMX31222
3 1/2 6 1/4 22 CBMX35022
4 6 1/4 11 3/8 CBMX40011
22 CBMX40022
5 6 1/4 11 3/8 CBMX50011
22 CBMX50022
6 6 1/4 22 CBMX60022
NOTE: With 1-piece bits, once coring is begun, the centering bit must be removed using ejector pin. Core bit bodies are 2 11/16" deep.
One-Piece Core Bits with Centering Bit – Spline Shank
Dia. (in.) Drilling Depth (in.) Overall Length (in.) Model No.
1 1/2 6 1/4 11 3/8 CBSP15012
22 CBSP15022
2 6 1/4 11 3/8 CBSP20011
22 CBSP20022
2 5/8 6 1/4 11 3/8 CBSP26211
22 CBSP26222
3 1/8 6 1/4 11 3/8 CBSP31211
22 CBSP31222
3 1/2 6 1/4 11 3/8 CBSP35011
22 CBSP35022
4 6 1/4 11 3/8 CBSP40011
22 CBSP40022
5 6 1/4 11 3/8 CBSP50011
22 CBSP50022
Core Bit
Center Pilot Bit
Dia. (in.) Overall Length (in.) Model No.
7/16 4 3/4 CTRBTF04304
Ejector Key
Dia. (in.) Model No.
3/8 CDBEJKEY