Shop Made Drawbore Pins

The laminated wood top for my new woodworking bench is coming along well (but slowly).

In preparation for eventually joining the legs of the workbench to the top,  I made myself a set of drawboring pins this weekend.  I intend to experiment with drawboring these joints for maximum strength and durability.

My drawbore pins are based on Chris Schwarz’s “Drawboring Resurrected” article on the WKFinetools website here:

As Chris recommended,  I bought a cheap set of  “alignment tools”  from Sears.  Sears sells an
eight-piece set of punches and alignment tools under its “Companion” brand ($6 total).  Two of the eight tools are alignment pins that can be modified into drawbore pines.  The model number of the set was

I followed the directions in the article, and using some scrap mahogany from the desk project, I came up with these:

One small and one large.  Slight tapered and hex handles to make it easier to “torque” the tools when using them.

I’ll try them out on the workbench in a week or two.

About mattsanf

Matt Sanfilippo is the Chief Partnership Officer (CPO) for the College of Engineering at Carnegie Mellon University (CMU) and Co-Director of its Engineering Research Accelerator. In this role, Matt coordinates and enables strategic and sponsored research opportunities across the college, and stewards the development of proposals for major research opportunities along strategic themes. Additionally, he enables collaboration among the college's research institute/center executive directors, and industrial and government relations personnel in the pursuit of opportunities with industry, federal and state governments. Before becoming CPO for the College, Matt was the Senior Executive Director for Research Initiatives, the Executive Director of CMU's SII (Smart Infrastructure Institute) and ICES (Institute for Complex Engineered Systems), and Associate Director of PITA (Pennsylvania Infrastructure Technology Alliance) and RAMP (Research for Advanced Manufacturing in Pennsylvania). Before CMU, Matt was Managing Director of Applied Technology for Michael Baker Corporation, an engineering and energy services firm. Matt managed Baker's technology division including Geographic Information System (GIS), software and web development, multimedia, virtual reality, visualization, Global Positioning System (GPS), mapping and surveying services. Before joining Baker, Matt was an Innovation Director for Redleaf Group, a Venture Capital/Operating Company focused on information security, supply chain and mobility solutions. While at Redleaf, Matt managed technical due diligence for seed-stage investments and coordinated relationships between Redleaf and their partner companies. Prior to Redleaf, Matt was CIO of GZA GeoEnvironmental Technologies, an infrastructure engineering firm, and operations manager for their Internet start-up that focused on web-technologies for health and safety and manufacturing metrics. Matt is on the board of Larson Design Group (LDG), past Chairman of the Board for the Pittsburgh Botanic Garden, current board member of the Pittsburgh History and Landmarks Foundation (PHLF), current Vice President of the Sewickley Heights Gun Club (SHGC) and former member of the Information Sciences and Technology Advisory Board for the Pennsylvania State University Beaver. Matt is also former Vice President of the Pittsburgh Chapter of the Association of Internet Professionals and former Vice President of the Board of Trustees for Baker Combined Charity of Pennsylvania.

Posted on May 19, 2008, in Tools and Shop. Bookmark the permalink. Comments Off on Shop Made Drawbore Pins.

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