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Adapters for Core Drill Bits

5/8" 11 Male 1-1/4" 7 Female Adapter for Core Drilling
  • Industrial grade heat treated steel drill adapters.

    Enables the usage of core bits on a wide of range of drills, including shank, SDS Plus, SDS MAX, spline drive, and HILTI quick-disconnect arbors on hammer, rotary hammer, and coring drills.

    5/8"-11 male thread fits:

    1-1/4"-7 male thread fits:


    • check In Stock: Dispatched within 24 hours
    • local_shipping Ground shipping arrive within 1-3 working days, air shipping also available
    • Fast Shipping: We will dispatch all items on same or the next business day. Our cutoff time is M-F 3:30 PM Pacific time
    • Free Returns: If your item is faulty or we have sent you something different to what you ordered, return it to us in the original packaging within 30 days and we will give you a replacement or a full refund. (Shipping cost not refunded)
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Core Bit Threads Drill Arbor Price Quantity
5/8"-11 Male 3/8" Shank $19.99
5/8"-11 Male 1/2" Shank $19.99
5/8"-11 Male 1-1/4"-7 Female $34.99
5/8"-11 Male SDS PLUS $29.99
5/8"-11 Male SDS MAX $44.99
5/8"-11 Male Spline Drive $55.99
5/8"-11 Male HILTI 6-SLOT (DD110D/110W/120/130/150U/160 $39.99
5/8"-11 Male HILTI Spline (Quick Release)--(BS bits into BU chucks) $59.99
1-1/4"-7 Male 1/2" Shank $34.99
1-1/4"-7 Male 5/8"-11 Female $34.99
1-1/4"-7 Male SDS PLUS $49.99
1-1/4"-7 Male SDS MAX $59.99
1-1/4"-7 Male Spline Drive $55.99
1-1/4"-7 Male HILTI 6-SLOT (DD110D/110W/120/130/150U/160) $49.99
1-1/4"-7 Male HILTI Spline (Quick Release)--(BS bits into BU chucks) $79.99
1-1/4"-7 Male HILTI DD200/350/350CA/500/500CA/750 $139.99

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