Husqvarna DM 220 Specs, Capacity & Compatibility

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

4" handheld / 6" stand-mounted concrete core drill

Maximum diameter: 6"
Power: 2.5 hp
Voltage: 100-120 V
Speeds: 580 / 2900 RPM
Spindle: 1-1/4"-7 UNC Male (Outer) / G 1/2" Female (Inner)
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. Rated load: 580 / 1400 / 2900 RPM; No-load: 730 / 1700 / 3600 RPM (OEM OM)

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Not sold on Amazon. Available through authorized Husqvarna dealers.

Decision Summary

Specification analysis for Husqvarna DM 220 based on verified manufacturer manuals and operator documentation.

✓ Best Suited For

Commercial contractors, plumbers, and electricians needing a proven 3-speed core drill capable of handheld drilling up to 4 inches in masonry (3.1 inches in reinforced concrete) and stand-mounted drilling up to 6 inches.

✕ Who Should Skip

You need a continuous 8-inch to 10-inch heavy rig setup, or a lightweight 1/2-inch hammer drill for small anchor holes.

Verified specification table

Specification	Value	Source status
Maximum diameter	6"	Manufacturer verified
Voltage	100-120 V	Manufacturer verified
Power	2.5 hp	Manufacturer verified
Low gear / min RPM	580	Manual verified
High gear / max RPM	2900	Manual verified
Spindle	1-1/4"-7 UNC Male (Outer) / G 1/2" Female (Inner)	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: 1-1/4"-7 UNC Male (Outer) / G 1/2" Female (Inner)

This machine utilizes a 1-1/4"-7 UNC Male (Outer) / G 1/2" Female (Inner) 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 ✅

Husqvarna DRI-5-2 2″ Diamond Core Bit

VERIFIED FIT ✅

Connection 1-1/4"-7 UNC ✓
Diameter 2" ✓
Machine capacity 6"
Method Dry
OEM pairing Verified ✓
Mechanical fit Aligned
Operating speed Unknown / incomplete RPM data
OEM fit Verified ✓

View Bit Details Check RPM

Husqvarna DRI-8-2 2″ Diamond Core Bit

VERIFIED FIT ✅

Connection 1-1/4"-7 UNC ✓
Diameter 2" ✓
Machine capacity 6"
Method Dry
OEM pairing Verified ✓
Mechanical fit Aligned
Operating speed Unknown / incomplete RPM data
OEM fit Verified ✓

View Bit Details Check RPM

SPEC-MATCHED 🟡

Hilti SPX-L Heavy Rebar Wet Core Bits 1/2″

SPEC-MATCHED 🟡

Connection Hilti BL Quick-Release / 1-1/4"-7 UNC ✓
Diameter 0.5" ✓
Machine capacity 6"
Method Wet
OEM pairing Not OEM-documented
Mechanical fit Aligned
Operating speed Unknown / incomplete RPM data
OEM fit Not OEM-documented

View Bit Details Check RPM

Milwaukee 48-17-5006 0.625″ Diamond Core Bit

SPEC-MATCHED 🟡

Connection 1-1/4"-7 UNC Female ✓
Diameter 0.625" ✓
Machine capacity 6"
Method Wet
OEM pairing Not OEM-documented
Mechanical fit Aligned
Operating speed Within published range
OEM fit Not OEM-documented

View Bit Details Check RPM

Milwaukee 48-17-5007 0.75″ Diamond Core Bit

SPEC-MATCHED 🟡

Connection 1-1/4"-7 UNC Female ✓
Diameter 0.75" ✓
Machine capacity 6"
Method Wet
OEM pairing Not OEM-documented
Mechanical fit Aligned
Operating speed Within published range
OEM fit Not OEM-documented

View Bit Details Check RPM

Milwaukee 48-17-5009 0.875″ Diamond Core Bit

SPEC-MATCHED 🟡

Connection 1-1/4"-7 UNC Female ✓
Diameter 0.875" ✓
Machine capacity 6"
Method Wet
OEM pairing Not OEM-documented
Mechanical fit Aligned
Operating speed Within published range
OEM fit Not OEM-documented

View Bit Details Check RPM

BLUEROCK Wet 1″ Diamond Core Bit

SPEC-MATCHED 🟡

Connection 1-1/4"-7 UNC Female ✓
Diameter 1" ✓
Machine capacity 6"
Method Wet
OEM pairing Not OEM-documented
Mechanical fit Aligned
Operating speed Unknown / incomplete RPM data
OEM fit Not OEM-documented

View Bit Details Check RPM

Hilti SPX-L Heavy Rebar Wet Core Bits 1″

SPEC-MATCHED 🟡

Connection Hilti BL Quick-Release / 1-1/4"-7 UNC ✓
Diameter 1" ✓
Machine capacity 6"
Method Wet
OEM pairing Not OEM-documented
Mechanical fit Aligned
Operating speed Unknown / incomplete RPM data
OEM fit Not OEM-documented

View Bit Details Check RPM

Milwaukee 48-17-5010 1″ Diamond Core Bit

SPEC-MATCHED 🟡

Connection 1-1/4"-7 UNC Female ✓
Diameter 1" ✓
Machine capacity 6"
Method Wet
OEM pairing Not OEM-documented
Mechanical fit Aligned
Operating speed SPEED CHECK REQUIRED, machine gear may exceed bit max RPM
OEM fit Not OEM-documented

View Bit Details Check RPM

Husqvarna VARI-DRILL Dry D20 Core Bits 1-1/4″

SPEC-MATCHED 🟡

Connection 5/8"-11 UNC & 1-1/4"-7 UNC ✓
Diameter 1.25" ✓
Machine capacity 6"
Method Dry
OEM pairing Not OEM-documented
Mechanical fit Aligned
Operating speed Unknown / incomplete RPM data
OEM fit Not OEM-documented

View Bit Details Check RPM

Find more compatible bits

RPM / gear guidance

Rated load: 580 / 1400 / 2900 RPM; No-load: 730 / 1700 / 3600 RPM (OEM OM)

Documented RPM: 580 / 2900

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Stand / adapter compatibility

Stand model: Unknown / Not specified by manufacturer
Stand compatibility: Handheld / stand capable, stand sold separately unless kit confirms
OEM / documented stands:
- husqvarna-ds-150, OEM verified (OM compatibility table class)
- husqvarna-ds-250, OEM verified (Husqvarna US fits-to DM 220)
Adapter requirements: Unknown / Not specified by manufacturer
Adapter support: Unknown / Not specified by manufacturer

Water / slurry / dust

Documented water / collection:
- husqvarna-wsr-100, OEM verified WSR fits-to includes DM 220
- husqvarna-wsr-100, OEM verified (MAX 3.94") Collection ring pairing, bit OD must satisfy diameter_bound_op (not universal by brand).
Documented dust management:
- husqvarna-vacuum-kit-575872201, OEM verified Vacuum kit fits DM 220
- husqvarna-handheld-dust-port-interface, Spec supported OM dry drilling via dust extractor connector

Jobsite Setup & Operation

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

Water / slurry / dust

Documented water / collection:
- husqvarna-wsr-100, OEM verified WSR fits-to includes DM 220
- husqvarna-wsr-100, OEM verified (MAX 3.94") Collection ring pairing, bit OD must satisfy diameter_bound_op (not universal by brand).
Documented dust management:
- husqvarna-vacuum-kit-575872201, OEM verified Vacuum kit fits DM 220
- husqvarna-handheld-dust-port-interface, Spec supported OM dry drilling via dust extractor connector

Ownership & Service

Lifecycle status: CURRENT
Warranty evidence: Warranty documented, UNKNOWN exact years for this SKU, see Husqvarna Construction US Limited Warranty; confirm model class
OEM service: OEM service available, Authorized Servicing Dealer/Center path per Husqvarna Construction US warranty page.
Replacement parts status: OEM part available
Water-feed parts: Documented: Valve Kit 510 19 59-01, Hose Kit 510 12 59-03, Nipple Kit 510 11 20-01 (confirm serial/year).
Seals: UNKNOWN, not locked in C2D beyond water path O-rings in IPL kits.
Brushes: Documented: OEM carbon brush 506 22 58-02 on IPL. User vs service replaceability UNKNOWN.
Documented replacement parts:
- husqvarna-dm220-valve-kit-510195901
- husqvarna-dm220-hose-kit-510125903
- husqvarna-dm220-nipple-kit-510112001
- husqvarna-dm220-carbon-brush-506225802
OEM service programs:
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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