Hilti Adapter BL to BS 1-1/4"7 Adapter to use 1-1/4"-7 Bits with Hilti DD250,#305910
BRSCHNITT Diamond Core Bits BL to BS Adapter Hilti DD-BL Chuck to 1-1/4"-
Paragon Diamond Tools Hilti DD-200 Female Spline to 1-1/4''-7 Male Thread Adapter AD-HDD200-1.25 | Zoro
Hilti Core Drill Adapter - Quick Disconnect 3 or 6 Slot to 1-1/4"-7 Male Thread - 1PC
Diatool 1pc Adapter For Hilti Machine, Diamond Core Bits Adapter Dd Bi For Hilti Bi Chuck Dd100 Dd110w Dd120 Dd130 Dd150 U Dd160 - Drill Bit - AliExpress