Hilti DD 150-U Specs, Capacity & Compatibility

VERIFIED SPECIFICATION · ACTIVE · Last verified 2026-08-22

6.375" handheld & stand-mounted concrete core drill

Maximum diameter: 6.375"
Power: 2200W
Voltage: 120V
Speeds: 840 / 3070 RPM
Spindle: Hilti DD-BI / BI+ Quick-Release (Proprietary)
Handheld: Yes
Stand capable: Yes
Wet drilling: Yes
Dry drilling: Yes
Safety clutch: Unknown / Not specified by manufacturer
Machine weight: Not clearly specified by manufacturer

Values are taken from manufacturer documentation and official manuals where cited in Sources. No-load 840 / 1640 / 3070 RPM

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Decision Summary

Specification analysis for Hilti DD 150-U based on verified manufacturer manuals and operator documentation.

✓ Best Suited For

Premium versatile handheld or stand mounted use benchmark up to 6-3/8".

✕ Who Should Skip

You need a non-proprietary chuck machine or bare-tool budget setup.

Verified specification table

Specification	Value	Source status
Maximum diameter	6.375"	Manufacturer verified
Voltage	120V	Manufacturer verified
Power	2200W	Manufacturer verified
Low gear / min RPM	840	Manual verified
High gear / max RPM	3070	Manual verified
Spindle	Hilti DD-BI / BI+ Quick-Release (Proprietary)	Manual verified
Handheld	Yes	Manual verified
Stand capable	Yes	Manual verified
Safety clutch	Unknown / Not specified by manufacturer	not listed
Water feed	Yes	Manual verified
Wet drilling	Yes	Manufacturer verified
Dry drilling	Yes	Manufacturer verified
Reinforced concrete	Yes	Manufacturer verified
Machine / net weight	Not clearly specified by manufacturer	not listed

Source links appear in Sources & Verification below, not invented ratings.

Bit & Rig Compatibility

Spindle interface, bit connection standards, and rig pairing documentation.

Spindle Connection: Hilti DD-BI / BI+ Quick-Release (Proprietary)

This machine utilizes a Hilti DD-BI / BI+ Quick-Release (Proprietary) spindle. Diamond core bits matching this connection thread directly without adapters. Mismatched threads require a documented rigid arbor adapter.

Compatible core bits

Mechanical fit is not the same as a safe operating-speed fit. Bit published max RPM wins when lower than the machine gear.

VERIFIED FIT ✅

Hilti 3640441 3″ Diamond Core Bit

VERIFIED FIT ✅

Connection 5/8"-11 UNC ✓
Diameter 3" ✓
Machine capacity 6.375"
Method Dry
OEM pairing Verified ✓
Mechanical fit Aligned
Operating speed Within published range
OEM fit Verified ✓

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ADAPTER REQUIRED 🟠

Hilti 2197026 5.5″ Diamond Core Bit

ADAPTER REQUIRED 🟠

Connection Hilti BI Quick-Release / 1-1/4"-7 UNC ✓
Diameter 5.5" ✓
Machine capacity 6.375"
Method Wet
OEM pairing Verified ✓
Mechanical fit Aligned
Operating speed Within published range
OEM fit Verified ✓

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RPM / gear guidance

No-load 840 / 1640 / 3070 RPM

Documented RPM: 840 / 3070

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Stand / adapter compatibility

Stand model: Unknown / Not specified by manufacturer
Stand compatibility: Handheld / stand, confirm Hilti stand SKU
OEM / documented stands:
- hilti-dd-st-150-u-ctl, OEM verified (Hilti OEM DD-ST 150-U CTL)
- hilti-dd-st-22-sfl, OEM verified (Hilti lists DD 150-U among for-use-with)
Adapter requirements: Unknown / Not specified by manufacturer
Adapter support: Unknown / Not specified by manufacturer

Water / slurry / dust

Documented water / collection:
- hilti-dd-wms-100, OEM verified Hilti WMS + DD 150-U water collector path
- hilti-wcs-5-2159811, OEM verified Hilti WCS 5" for-use-with includes DD 150-U
- hilti-wch-2008130, OEM verified Holder documented for DD 150-U
- hilti-wcs-5-2159811, OEM verified (MAX 4.8") Collection ring pairing, bit OD must satisfy diameter_bound_op (not universal by brand).
Documented dust management:
- hilti-dd-extraction-head-315828, CONDITIONAL OEM lists DD 150-U for socket-cutter head, not general SP-L wet

Jobsite Setup & Operation

Operational workflow, slurry/water management, mounting procedures, and operator safety.

Water / slurry / dust

Documented water / collection:
- hilti-dd-wms-100, OEM verified Hilti WMS + DD 150-U water collector path
- hilti-wcs-5-2159811, OEM verified Hilti WCS 5" for-use-with includes DD 150-U
- hilti-wch-2008130, OEM verified Holder documented for DD 150-U
- hilti-wcs-5-2159811, OEM verified (MAX 4.8") Collection ring pairing, bit OD must satisfy diameter_bound_op (not universal by brand).
Documented dust management:
- hilti-dd-extraction-head-315828, CONDITIONAL OEM lists DD 150-U for socket-cutter head, not general SP-L wet

Ownership & Service

Lifecycle status: CURRENT
Warranty evidence: UNKNOWN, UNKNOWN, Hilti Tool Service / Fleet terms vary by contract and market; not applied as a generic brand warranty
OEM service: OEM service available, Hilti tool service / Fleet Management marketed for Hilti tools, verify contract coverage for this exact tool.
Replacement parts status: OEM part available
Water-feed parts: Documented water collector seals; machine-internal feed parts not fully enumerated in C2D.
Seals: Documented: DD-SW-S / DD-SW-M sealing washers and DD-WCS seal sets on Hilti USA.
Documented replacement parts:
- hilti-dd-sw-s
- hilti-dd-sw-m
- hilti-wcs-seal
Last serviceability verification: 2026-08-21

Authoritative Sources & Verification

CoringSpec specifications are extracted directly from primary manufacturer documentation and operator manuals. We do not invent lab scores or extrapolate unverified ratings.

Verified Documentation

Research & Verification Standards: This equipment profile was audited and verified against primary manufacturer technical documentation by the CoringSpec Technical Editorial Team. Specifications confirmed active as of 2026-08-22.

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