Furniture & Cabinetmaking
shopnotes dowelmax 
 
New review from the prestigious UK magazine Furniture & Cabinet Maker
 

 
CWW Strength Test
shopnotes dowelmax 
Canadian Woodworking Strength Test: Dowel joints are fast, easy and flexible to make, but how strong are they? We put this popular joint through some tests to figure out if they are as good as they seem.
 

 
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Wood Joint Strength Test Comparison Videos

  • Overview
  • Series 2
  • Series 3
  • Series 1.1
  • Series 1.2

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WOOD JOINT STRENGTH TEST RESULTS
From Series 2 Video

#20 BISCUIT

285 lbs. per square inch

POCKET HOLE (5 SCREWS)

420 lbs. per square inch

DOUBLE DOMINO

560 lbs. per square inch

ROUTED MORTISE & TENON

640 lbs. per square inch

MULTIPLE DOWEL

890 lbs. per square inch

All wood joint connections were the maximum width available, and with a length or penetration of 1 inch.

ALL TESTING MONITORED BY MIKE KAMPEN, PROFESSIONAL FURNITURE MAKER AND WRITER



Strength Test Comparison Video for Popular Wood Joinery Systems

This video compares the strengths of popular wood joinery systems available on the market including pocket hole screws, biscuits, dominos, mortise and tenon and multiple dowels. The connection length used was 1 inch. This was a second series of tests done in 2008 which was independantly witnessed by Michael Kampen of the Canadian Woodshop News and Review website.

biscuit joint test

Click here to view an online Flash version of this video at Yahoo


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Strength Test Comparison Video: Mortise and Tenon Joint with 2" Tenon vs Multiple Dowel Joint with 2" Penetration

This video is a response to an invalid strength test published by a prominent woodworking magazine. In the test for this video, proper engineering practices are followed to compare the strength of a mortise and tenon joint having a 2 inch long tenon to a multiple dowel joint having 2 inch dowel penetration into each workpiece.

mortise tenon test

Click here to view an online Flash version of this video at Yahoo

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Multiple dowel joint in oak, part one

mortise tenon test

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Multiple dowel joint in oak, part two

mortise tenon test


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