Core Bit Finder

Select your drill. CoringSpec loads thread, adapters, and capacity automatically. Results use the same compatibility engine as drill pages: VERIFIED FIT, SPEC-MATCHED, ADAPTER REQUIRED, with reasons shown.

Select your drill Machine setup Material Hole diameter (inches) Hole depth (inches) Wet / Dry Reinforcement level Preferred brand (optional)

Thread/arbor loads from the selected drill. Compatibility always shows why, never “compatible” from thread alone.

Bit Finder returns bit family + matching diameter variants for the selected drill, not 70 SEO product pages. Engine: CoringSpec_Decision.

Selected drill

BLUEROCK 8Z1 Specs, Capacity & Compatibility

Thread / spindle: 1-1/4"-7 UNC
Handheld max: Unknown / Not specified by manufacturer"
Stand max: 8"
Wet / dry: Yes / Yes
RPM / gears (manufacturer/OEM): 1 (750 rpm)

Compatible bits (12 variants shown)

BLUEROCK Wet · 8" variant

VERIFIED FIT

Verified Fit, VERIFIED FIT ✅

Family: Wet
Matching diameter variant: 8"
Connection: 1-1/4"-7 UNC Female
Working depth: 14.5"
Material / reinforcement: MEDIUM
Wet / dry: Wet
RPM status: Manufacturer/OEM RPM on bit record, RPM data incomplete (calculator guidance is separate)
Fit path: Direct fit with selected drill (no adapter in this evaluation)
Evidence confidence: OEM Documented

Compatibility detail

Drill connection	Direct 1-1/4"-7 UNC Female
Diameter	8"
Drill capacity	Within 8"
Material	See bit record
Reinforcement	Manufacturer Specified
Method	Wet
Working depth	Confirm on bit record
OEM pairing	Verified
RPM	UNKNOWN

Limitation: This bit requires wet drilling even though your drill also supports dry operation.

View Bit Specs Calculator-derived RPM guidance Check Amazon

BLUEROCK BLUEROCK BLUEROCK Supreme High Speed Wet Core Bits 8″ · 8" variant

SPEC MATCHED

Best Spec Match, SPEC-MATCHED 🟡

Family: BLUEROCK BLUEROCK Supreme High Speed Wet Core Bits 8″
Matching diameter variant: 8"
Connection: 1-1/4"-7 UNC Female
Working depth: 17"
Material / reinforcement: MEDIUM
Wet / dry: Wet
RPM status: Manufacturer/OEM RPM on bit record, RPM data incomplete (calculator guidance is separate)
Fit path: Direct fit with selected drill (no adapter in this evaluation)
Evidence confidence: LOW

Compatibility detail

Drill connection	Direct 1-1/4"-7 UNC Female
Diameter	8"
Drill capacity	Within 8"
Material	See bit record
Reinforcement	Manufacturer Specified
Method	Wet
Working depth	Confirm on bit record
OEM pairing	Not explicitly documented
RPM	UNKNOWN

Limitation: This bit requires wet drilling even though your drill also supports dry operation.

Limitation: Specifications align, but this drill/bit pairing is not explicitly documented by the manufacturers.

View Bit Specs Calculator-derived RPM guidance

CS Unitec CS Unitec CS Unitec Premium Wet Core Bits 8″ · 8" variant

SPEC MATCHED

Best Spec Match, SPEC-MATCHED 🟡

Family: CS Unitec CS Unitec Premium Wet Core Bits 8″
Matching diameter variant: 8"
Connection: 1-1/4"-7 UNC Female
Working depth: 18"
Material / reinforcement: MEDIUM
Wet / dry: Wet
RPM status: Manufacturer/OEM RPM on bit record, RPM data incomplete (calculator guidance is separate)
Fit path: Direct fit with selected drill (no adapter in this evaluation)
Evidence confidence: LOW

Compatibility detail

Drill connection	Direct 1-1/4"-7 UNC Female
Diameter	8"
Drill capacity	Within 8"
Material	See bit record
Reinforcement	Manufacturer Specified
Method	Wet
Working depth	Confirm on bit record
OEM pairing	Not explicitly documented
RPM	UNKNOWN

Limitation: This bit requires wet drilling even though your drill also supports dry operation.

Limitation: Specifications align, but this drill/bit pairing is not explicitly documented by the manufacturers.

View Bit Specs Calculator-derived RPM guidance

Diamond Products Diamond Products Core Bore Premium Black Wet Core Bits 8″ · 8" variant

SPEC MATCHED

Best Spec Match, SPEC-MATCHED 🟡

Family: Diamond Products Core Bore Premium Black Wet Core Bits 8″
Matching diameter variant: 8"
Connection: 1-1/4"-7 UNC Female
Working depth: 14"
Material / reinforcement: HEAVY
Wet / dry: Wet
RPM status: Manufacturer/OEM RPM on bit record, RPM data incomplete (calculator guidance is separate)
Fit path: Direct fit with selected drill (no adapter in this evaluation)
Evidence confidence: LOW

Compatibility detail

Drill connection	Direct 1-1/4"-7 UNC Female
Diameter	8"
Drill capacity	Within 8"
Material	See bit record
Reinforcement	HEAVY
Method	Wet
Working depth	Confirm on bit record
OEM pairing	Not explicitly documented
RPM	UNKNOWN

Limitation: This bit requires wet drilling even though your drill also supports dry operation.

Limitation: Specifications align, but this drill/bit pairing is not explicitly documented by the manufacturers.

View Bit Specs Calculator-derived RPM guidance

Hilti Hilti SPX-L Heavy Rebar Wet Core Bits 8″ · 8" variant

SPEC MATCHED

Best Spec Match, SPEC-MATCHED 🟡

Family: Hilti SPX-L Heavy Rebar Wet Core Bits 8″
Matching diameter variant: 8"
Connection: Hilti BL Quick-Release / 1-1/4"-7 UNC
Working depth: 17.7"
Material / reinforcement: HEAVY
Wet / dry: Wet
RPM status: Manufacturer/OEM RPM on bit record, RPM data incomplete (calculator guidance is separate)
Fit path: Direct fit with selected drill (no adapter in this evaluation)
Evidence confidence: LOW

Compatibility detail

Drill connection	Direct Hilti BL Quick-Release / 1-1/4"-7 UNC
Diameter	8"
Drill capacity	Within 8"
Material	See bit record
Reinforcement	HEAVY
Method	Wet
Working depth	Confirm on bit record
OEM pairing	Not explicitly documented
RPM	UNKNOWN

Limitation: This bit requires wet drilling even though your drill also supports dry operation.

Limitation: Specifications align, but this drill/bit pairing is not explicitly documented by the manufacturers.

View Bit Specs Calculator-derived RPM guidance

Husqvarna Husqvarna D1200 Diagrip Universal Wet Core Bits 8″ · 8" variant

SPEC MATCHED

Best Spec Match, SPEC-MATCHED 🟡

Family: Husqvarna D1200 Diagrip Universal Wet Core Bits 8″
Matching diameter variant: 8"
Connection: 1-1/4"-7 UNC Female
Working depth: 18"
Material / reinforcement: MEDIUM
Wet / dry: Wet
RPM status: Manufacturer/OEM RPM on bit record, RPM data incomplete (calculator guidance is separate)
Fit path: Direct fit with selected drill (no adapter in this evaluation)
Evidence confidence: LOW

Compatibility detail

Drill connection	Direct 1-1/4"-7 UNC Female
Diameter	8"
Drill capacity	Within 8"
Material	See bit record
Reinforcement	Manufacturer Specified
Method	Wet
Working depth	Confirm on bit record
OEM pairing	Not explicitly documented
RPM	UNKNOWN

Limitation: This bit requires wet drilling even though your drill also supports dry operation.

Limitation: Specifications align, but this drill/bit pairing is not explicitly documented by the manufacturers.

View Bit Specs Calculator-derived RPM guidance

Husqvarna D1610 · 8" variant

SPEC MATCHED

Best Spec Match, SPEC-MATCHED 🟡

Family: D1610
Matching diameter variant: 8"
Connection: 1-1/4"-7 UNC Female
Working depth: 14"
Material / reinforcement: MEDIUM
Wet / dry: Wet
RPM status: Manufacturer/OEM RPM on bit record, RPM data incomplete (calculator guidance is separate)
Fit path: Direct fit with selected drill (no adapter in this evaluation)
Evidence confidence: OEM Documented

Compatibility detail

Drill connection	Direct 1-1/4"-7 UNC Female
Diameter	8"
Drill capacity	Within 8"
Material	See bit record
Reinforcement	Manufacturer Specified
Method	Wet
Working depth	Confirm on bit record
OEM pairing	Not explicitly documented
RPM	UNKNOWN

Limitation: This bit requires wet drilling even though your drill also supports dry operation.

Limitation: Specifications align, but this drill/bit pairing is not explicitly documented by the manufacturers.

View Bit Specs Calculator-derived RPM guidance

Husqvarna Husqvarna Elite-Drill D1410 High-Speed Wet Core Bits 8″ · 8" variant

SPEC MATCHED

Best Spec Match, SPEC-MATCHED 🟡

Family: Husqvarna Elite-Drill D1410 High-Speed Wet Core Bits 8″
Matching diameter variant: 8"
Connection: 1-1/4"-7 UNC Female
Working depth: 18"
Material / reinforcement: HEAVY
Wet / dry: Wet
RPM status: Manufacturer/OEM RPM on bit record, RPM data incomplete (calculator guidance is separate)
Fit path: Direct fit with selected drill (no adapter in this evaluation)
Evidence confidence: LOW

Compatibility detail

Drill connection	Direct 1-1/4"-7 UNC Female
Diameter	8"
Drill capacity	Within 8"
Material	See bit record
Reinforcement	HEAVY
Method	Wet
Working depth	Confirm on bit record
OEM pairing	Not explicitly documented
RPM	UNKNOWN

Limitation: This bit requires wet drilling even though your drill also supports dry operation.

Limitation: Specifications align, but this drill/bit pairing is not explicitly documented by the manufacturers.

View Bit Specs Calculator-derived RPM guidance

Husqvarna VARI-DRILL B80 · 8" variant

SPEC MATCHED

Best Spec Match, SPEC-MATCHED 🟡

Family: VARI-DRILL B80
Matching diameter variant: 8"
Connection: 1-1/4"-7 UNC Female
Working depth: 14"
Material / reinforcement: Not specified
Wet / dry: Wet
RPM status: Manufacturer/OEM RPM on bit record, RPM data incomplete (calculator guidance is separate)
Fit path: Direct fit with selected drill (no adapter in this evaluation)
Evidence confidence: MEDIUM

Compatibility detail

Drill connection	Direct 1-1/4"-7 UNC Female
Diameter	8"
Drill capacity	Within 8"
Material	See bit record
Reinforcement	Not specified
Method	Wet
Working depth	Confirm on bit record
OEM pairing	Not explicitly documented
RPM	UNKNOWN

Limitation: This bit requires wet drilling even though your drill also supports dry operation.

Limitation: Specifications align, but this drill/bit pairing is not explicitly documented by the manufacturers.

View Bit Specs Calculator-derived RPM guidance

Milwaukee Milwaukee Milwaukee MX FUEL High-Output Wet Core Bits 8″ · 8" variant

SPEC MATCHED

Best Spec Match, SPEC-MATCHED 🟡

Family: Milwaukee Milwaukee MX FUEL High-Output Wet Core Bits 8″
Matching diameter variant: 8"
Connection: 1-1/4"-7 UNC Female
Working depth: 14"
Material / reinforcement: HEAVY
Wet / dry: Wet
RPM status: Manufacturer/OEM RPM on bit record, RPM data incomplete (calculator guidance is separate)
Fit path: Direct fit with selected drill (no adapter in this evaluation)
Evidence confidence: LOW

Compatibility detail

Drill connection	Direct 1-1/4"-7 UNC Female
Diameter	8"
Drill capacity	Within 8"
Material	See bit record
Reinforcement	HEAVY
Method	Wet
Working depth	Confirm on bit record
OEM pairing	Not explicitly documented
RPM	UNKNOWN

Limitation: This bit requires wet drilling even though your drill also supports dry operation.

Limitation: Specifications align, but this drill/bit pairing is not explicitly documented by the manufacturers.

View Bit Specs Calculator-derived RPM guidance

Shibuya Shibuya Shibuya Blue Bit Heavy Rebar Wet Core Bits 8″ · 8" variant

SPEC MATCHED

Best Spec Match, SPEC-MATCHED 🟡

Family: Shibuya Shibuya Blue Bit Heavy Rebar Wet Core Bits 8″
Matching diameter variant: 8"
Connection: 1-1/4"-7 UNC & A-Rod
Working depth: 14"
Material / reinforcement: HEAVY
Wet / dry: Wet
RPM status: Manufacturer/OEM RPM on bit record, RPM data incomplete (calculator guidance is separate)
Fit path: Direct fit with selected drill (no adapter in this evaluation)
Evidence confidence: LOW

Compatibility detail

Drill connection	Direct 1-1/4"-7 UNC & A-Rod
Diameter	8"
Drill capacity	Within 8"
Material	See bit record
Reinforcement	HEAVY
Method	Wet
Working depth	Confirm on bit record
OEM pairing	Not explicitly documented
RPM	UNKNOWN

Limitation: This bit requires wet drilling even though your drill also supports dry operation.

Limitation: Specifications align, but this drill/bit pairing is not explicitly documented by the manufacturers.

View Bit Specs Calculator-derived RPM guidance

VEVOR Wet Core Bit · 8" variant

SPEC MATCHED

Best Spec Match, SPEC-MATCHED 🟡

Family: Wet Core Bit
Matching diameter variant: 8"
Connection: 1-1/4"-7 UNC Female
Working depth: 14"
Material / reinforcement: MEDIUM
Wet / dry: Wet
RPM status: Manufacturer/OEM RPM on bit record, RPM data incomplete (calculator guidance is separate)
Fit path: Direct fit with selected drill (no adapter in this evaluation)
Evidence confidence: LOW

Compatibility detail

Drill connection	Direct 1-1/4"-7 UNC Female
Diameter	8"
Drill capacity	Within 8"
Material	See bit record
Reinforcement	Manufacturer Specified
Method	Wet
Working depth	Confirm on bit record
OEM pairing	Not explicitly documented
RPM	UNKNOWN

Limitation: This bit requires wet drilling even though your drill also supports dry operation.

Limitation: Specifications align, but this drill/bit pairing is not explicitly documented by the manufacturers.

View Bit Specs Calculator-derived RPM guidance

Products for this page

Diamond core bit

VEVOR Wet Core Bit

5" shown · wet

Value wet coring 5" × 14" on handheld or stand drills with 1-1/4"-7 UNC.

Check on Amazon Specs

Diamond core bit

BLUEROCK Wet

4" shown · wet

Wet concrete/masonry coring at 4" on 1-1/4"-7 UNC machines within capacity.

Check on Amazon Specs

Diamond core bit

VEVOR Wet Core Bit Set

6" shown · wet

Value multi-size wet kit: 1, 2, 3, 4, 5, and 6" bits, universal 1-1/4"-7 UNC, 14" depth.

Check on Amazon Specs

Diamond core bit

BLUEROCK Dry

4" shown · dry

Dry masonry/concrete coring at 4" on 5/8"-11 UNC path (adapter on Z1 1-1/4"-7 UNC spindles).

Check on Amazon Specs

Paid links. Specs on this site come from manufacturer documentation, not from the retailer.