Reply To: Holdfast used with Douglas fir Welcome! / Forums / General Woodworking Discussions / Projects / Holdfast used with Douglas fir / Reply To: Holdfast used with Douglas fir Darren 29 November 2023 at 10:51 pm #820547 Mine wouldn’t grab initially, so I relieved the holes by drilling a wider hole from the underside of the bench top for an inch or so. In my case I didn’t need to widen the entire hole. Darren. Settings