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.
Bit Finder returns bit family + matching diameter variants for the selected drill, not 70 SEO product pages. Engine: CoringSpec_Decision.
Selected drill
Hilti DD 150-U Specs, Capacity & Compatibility
- Thread / spindle: Hilti DD-BI / BI+ Quick-Release (Proprietary)
- Handheld max: 6.375"
- Stand max: 6.375"
- Wet / dry: Yes / Yes
- RPM / gears (manufacturer/OEM): No-load 840 / 1640 / 3070 RPM
Compatible bits (2 variants shown)
Hilti SP-L Masonry · 3" variant
VERIFIED FITVerified Fit, VERIFIED FIT ✅
- Family: SP-L Masonry
- Matching diameter variant: 3"
- Connection: 5/8"-11 UNC
- Working depth: 10"
- Material / reinforcement: NONE
- Wet / dry: Dry
- 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 5/8"-11 UNC |
|---|---|
| Diameter | 3" |
| Drill capacity | Within 6.375" |
| Material | See bit record |
| Reinforcement | NONE |
| Method | Dry |
| Working depth | Confirm on bit record |
| OEM pairing | Verified |
| RPM | OEM approved |
Hilti SP-L Concrete · 5.5" variant
ADAPTER REQUIREDAdapter Required, ADAPTER REQUIRED 🟠
- Family: SP-L Concrete
- Matching diameter variant: 5.5"
- Connection: Hilti BI Quick-Release / 1-1/4"-7 UNC
- Working depth: 16"
- Material / reinforcement: MEDIUM
- Wet / dry: Wet
- RPM status: Manufacturer/OEM RPM on bit record, RPM data incomplete (calculator guidance is separate)
- Adapter requirement: hilti-bi-system (with selected drill)
- Evidence confidence: LOW
Compatibility detail
| Drill connection | Adapter: hilti-bi-system |
|---|---|
| Diameter | 5.5" |
| Drill capacity | Within 6.375" |
| Material | See bit record |
| Reinforcement | Manufacturer Specified |
| Method | Wet |
| Working depth | Confirm on bit record |
| OEM pairing | Verified |
| RPM | OEM approved |
Limitation: This bit requires wet drilling even though your drill also supports dry operation.
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.

Diamond core bit
BLUEROCK Wet
4" shown · wet
Wet concrete/masonry coring at 4" on 1-1/4"-7 UNC machines within capacity.

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.

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