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Find the Right System

Core Drill Thread Size Guide

Quick takeaway: Common connections include 1-1/4"-7 UNC and 5/8"-11 UNC, plus manufacturer-specific systems. Same thread does not automatically mean complete compatibility.

Also check

Threads on catalog drills

DrillThreadAdapter notes
BLUEROCK 4Z11-1/4"-7 UNCOptional BLUEROCK 4"Z1 drill rig stand sold separately
BLUEROCK 8Z11-1/4"-7 UNCStandard 1-1/4" wet or dry drilling diamond core bits
BLUEROCK 10Z11-1/4"-7 UNCVerify spindle / thread on the exact 10Z1 variant before ordering bits
VEVOR Z1Z-CF02-801-1/4" threadStandard 1-1/4" wet core bits
VEVOR 6.3" 2000W Handheld1-1/4"Unknown / Not specified by manufacturer
VEVOR 8" 2500W Rig1-1/4"Unknown / Not specified by manufacturer
VEVOR 10" 2500W Rig1-1/4"Unknown / Not specified by manufacturer
VEVOR Z1Z-92601-1/4"-7 UNCStandard 1-1/4"-7 UNC wet core bits sized for capacity
Milwaukee MXF301-2CP1-1/4"-7 UNC5/8"-11 UNC adapter included/available per Milwaukee documentation for this platform
Husqvarna DM 2201-1/4"-7 UNC Male (Outer) / G 1/2" Female (Inner)Unknown / Not specified by manufacturer
Husqvarna DM 2301-1/4"-7 UNC Male (Outer) / G 1/2" Female (Inner)Unknown / Not specified by manufacturer
Husqvarna DM 540i1-1/4"-7 UNC Male (Outer) / G 1/2" Female (Inner)Unknown / Not specified by manufacturer
Husqvarna DM 1 PACEUnknown / Not specified by manufacturerUnknown / Not specified by manufacturer
Husqvarna DM 4001-1/4"-7 UNCUnknown / Not specified by manufacturer
Husqvarna DM 4301-1/4"-7 UNCUnknown / Not specified by manufacturer
Husqvarna DM 700Unknown / Not specified by manufacturerUnknown / Not specified by manufacturer
Husqvarna DMS 1801-1/4"-7 UNCUnknown / Not specified by manufacturer
Husqvarna DMS 2401-1/4"-7 UNC Male (Outer) / G 1/2" Female (Inner)Unknown / Not specified by manufacturer
Hilti DD 150-UHilti DD-BI / BI+ Quick-Release (Proprietary)Unknown / Not specified by manufacturer
Hilti DD 250-CAUnknown / Not specified by manufacturerUnknown / Not specified by manufacturer
Milwaukee MXF301-2CXS1-1/4"-7 UNC5/8"-11 UNC adapter included for small-diameter bits
Husqvarna DM 2001-1/4"-7 UNCUnknown / Not specified by manufacturer
Husqvarna DM 406 H1-1/4"-7 UNCHydraulic power pack required (e.g. PP series), not electric corded
Husqvarna DMS 4001-1/4"-7 UNCUnknown / Not specified by manufacturer
Husqvarna DMS 4301-1/4"-7 UNCUnknown / Not specified by manufacturer
Hilti DD 110-WHilti DD-BI / BI+ Quick-Release (Proprietary)Hilti BI+ core bits / adapters required for non-BI+ barrels
Hilti DD 150-U-22Unknown / Not specified by manufacturerHilti Nuron batteries + compatible Hilti core bits / stands
Hilti DD 160-22Unknown / Not specified by manufacturerStand required; Nuron batteries; Hilti core bits
CS Unitec ETN 162/3 P1-1/4"-7 UNC Male (Outer) / 5/8"-11 UNC Female (Inner)Unknown / Not specified by manufacturer
CS Unitec DBE 2011-1/4"-7 UNC MaleUnknown / Not specified by manufacturer
CS Unitec END 130/3.2 PO1-1/4"-7 UNC Male (Outer) / 5/8"-11 UNC Female (Inner)Unknown / Not specified by manufacturer
AGP DM8P1-1/4"-7 UNC Male & 1/2" BSP Female comboUnknown / Not specified by manufacturer
BLUEROCK 12Z11-1/4"-7 UNC MaleUnknown / Not specified by manufacturer
Cardi DP2200-16-SE1-1/4"-7 UNC Male (Outer) / 5/8"-11 UNC Female (Inner)Unknown / Not specified by manufacturer
CS Unitec PLD 182.1 NT1-1/4"-7 UNC Male (Outer) / 5/8"-11 UNC Female (Inner)Unknown / Not specified by manufacturer
Hilti DD 120Hilti DD-BI / BI+ Quick-Release (Proprietary)Unknown / Not specified by manufacturer
Hilti DD 160Hilti DD-BI / BI+ Quick-Release (Proprietary)Unknown / Not specified by manufacturer
Hilti DD 350-CAHilti DD-BI / BI+ Quick-Release (Proprietary)Unknown / Not specified by manufacturer
Hilti DD 500-CAHilti DD-BI / BI+ Quick-Release (Proprietary)Unknown / Not specified by manufacturer
Milwaukee 40041-1/4"-7 UNC MaleUnknown / Not specified by manufacturer
Milwaukee 40961-1/4"-7 UNC MaleUnknown / Not specified by manufacturer
Shibuya TS-1651-1/4"-7 UNC / A-RodUnknown / Not specified by manufacturer
Shibuya TS-2551-1/4"-7 UNC / A-RodUnknown / Not specified by manufacturer
Shibuya TS-4051-1/4"-7 UNC / A-RodUnknown / Not specified by manufacturer
Weka DK161-1/4"-7 UNC Male & 1/2" BSP Female comboUnknown / Not specified by manufacturer
Weka DK261-1/4"-7 UNC MaleUnknown / Not specified by manufacturer
Weka DK321-1/4"-7 UNC MaleUnknown / Not specified by manufacturer

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