CURRENT NEWS & ARTICLES

Winter 2010
"Great Beliefs and Misbeliefs" of Tolerance and Retention Knobs
Read our article in CTMA VIEW – Winter 2010

Finding Precision in Unexpected Places - (pdf 3.95MB)
Manufacturing Engineering supplement – Aerospace & Defense Manufacturing 2010

January 2010
The Retention Knob
Read our article in NTMA RECORD – January 2010

September 2010
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PREVIOUS NEWS & ARTICLES

June 2009
The KNOB Problem
Read our article in Modern Machine Shop - June 2009

May/June 2009
The taper test: prototype fixture finds why vexing toolholder wear marks appear.
Read our article in Tooling & Production - May/June 2009

June 2009
The Taper Test
Read our article in Entrepreneur eZine - June 2009

Spring 2009
Do Your Toolholders Fit Your CNC Spindles? We've Taken A Second Look.
Read our article in CMTA - Spring 2009

April 2009
Fitness Gage
Read our article in Cutting Tool Engineering - April 2009

November 2003
IF A RETENTION KNOB BREAKS... WHAT WILL BE YOUR COST???
$5,000? $15,000? $20,000? $45,000? Retention Knobs are not intended to last forever. Your safety program must include...

November 2003
J&M's RETENTION KNOBS OUT-PERFORM THE COMPETITION'S:
J&M Retention Knobs are shot peened to relieve stress in the material, remove burrs, radius corners, and improve....

May 2002
Knob Knowledge - What you need to know about Retention Knobs
Read our article in Cutting Tool Engineering - May 2002

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