J&M Machine | 1234 High Street | Fairport Harbor, Ohio 44077 |440.357.1234    
Quality Retention Knobs, Sockets, Spade Drill Tips and Spade Drill HoldersQuality Products Made in the USA   J & M Machine is Your Supplier in Top Quality Retention Knobs, Sockets for Retention Knobs, Spade Drill Tips and Spade Drill Holders.
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High Torque Retention Knobs HIGH-TORQUE RETENTION KNOBS
Retention Knob Sockets RETENTION KNOB SOCKETS
Spade Drill Tips SPADE DRILL TIPS
Speeds & Feeds
Spade Drill Holders SPADE DRILL HOLDERS

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High Torque Retention Knobs IDENTIFY or ORDER CUSTOM
RETENTION KNOBS
Spade Drill Tips IDENTIFY or ORDER CUSTOM
SPADE DRILL TIPS
Spade Drill Holders IDENTIFY or ORDER CUSTOM
SPADE DRILL TOOL HOLDERS
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Retention Knob Label, Pull Stud Label, Private Label for Distributors

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look for this label and set
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 J&M News

PRIOR ARTICLES:

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

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

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

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

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

March 2008
Safeguarding Spindles
Read article in Cutting Tool Engineering - March 2008

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

 



BACK TO TOP
CURRENT ARTICLES
» “Great Beliefs and Misbeliefs” of Tolerance and Retention Knobs
Read our article in CTMA VIEW – Winter 2010
» The Retention Knob
Read our article in NTMA RECORD – January 2010
» High Torque Retention Knob Details
» Taper Shank Test Fixture Details
VIDEOS
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QuickTime MovieWindows Media Player Movie For Machine or Tool Dists
QuickTime MovieWindows Media Player Movie For Machine or Tool Manfs
QuickTime MovieWindows Media Player Movie For End Users
Toolholder Deformation Test
»
»		 View at Modern Machine Shop
View at Production Machining
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J&M Machine | 1234 High Street | Fairport Harbor, OH 44077 | 440.357.1234
J&M Machine, Inc. Top supplier of Retention Knobs, Retention Knob Sockets, Spade Drill Tips, Spade Drill Tool Holders & PullStuds. Cleveland, Ohio. Design by: rkstudio6

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