What Size Hole Saw Is needed For The Brophy Swiveling D-Ring Anchors RR6K-4?
Updated 01/28/2026 | Published 01/05/2026
Question:
What hole saw size is needed for the install of these Brophy swiveling d-rings
asked by: Garry L
Expert Reply:
Hey Gary, thanks for reaching out. I see you already got a few of the Brophy Swiveling D-Ring Anchors # RR6K-4 on order but I wanted to make sure your question was still answered. The recessed portion of the anchor is 4-3/8" in diameter so a 4-3/8" or even 4-1/2" hole is what you would want.
(click to enlarge)
Garry L.
1/27/2026
You need 4 1/2 in to make it flush with floor
Jesse M.
1/28/2026
Product Page this Question was Asked From
Brophy Swiveling D-Ring Anchors w Backing Plates and Hardware - Bolt-On - 2,000 lbs - Qty 4
- Trailer Tie Down Anchors
- D-Rings
- Universal
- Zinc-Plated Steel
- 2000 lbs
- Bolt-On
- Swiveling
- Recessed Mount
- Brophy
more information >
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Jesse M.
1/27/2026
Hey Gary, how did the 4-3/8 inch hole size work out for your Brophy swiveling D-rings? It’d be great to hear how the fit turned out once everything was in place. Your update could make it easier for the next person setting up the same anchors.