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If you have any questions about the use of this product, please contact

The Eastwood Technical Assistance Service Department:

1-866-759-2131   email: [email protected]

The Eastwood Company

263 Shoemaker Road, Pottstown, PA 19464, USA

US and Canada: 1-800-345-1178       Outside US: 610-718-8335

fax: 610-323-6268       www.eastwood.com

Instruction Manual #21749Q - Rev. 3/10

SUGGESTED PRODUCTS

•  28003 Hole Saw Kit.
•  Eastwood also offers a complete line of welders and welding equipment and accessories.

4.

  Before cutting, be sure the Locking Pin is removed (Fig. H) 

and the hole saw is securely tightened on the Arbor. 

5.

  If using a drill press, set the speed for 250 to 500 RPM. 

For hand drilling, a variable speed drill is best keeping the 
speed lower. For less heat buildup, longer saw life and min-
imal vibration, slower is better however some high strength 
steels cut better at slightly higher speeds. 

Be sure to use plenty of cutting oil on the metal saw 
teeth and feed the saw slowly.

6.

  You are now ready to begin cutting precision “fi shmouths” 

however it is strongly recommended that you make 
several practice cuts on scrap tubing to become familiar 
with the tool.

HELPFUL TIPS

•  This tool is designed to accurately form an angled 

“fi shmouth” notch in a piece of metal tubing. Softer met-
als such as aluminum and copper tubing can be cut with 
minimal effort while carbon and stainless steel will require 
greater effort to achieve results. Thicker walled tubing will 
also require more effort than thinner walled material.

•  Keep the saw teeth lubricated with cutting oil and keep the 

feed speed slow. Make sure the Arbor Shaft is kept clean of 
metal chips and dirt and is always well lubricated.

•  Be aware that fi nished “fi shmouth” cuts have extremely sharp edges, handle them carefully. 

The rough sawn edges will need to be ground or fi led with the fi nal desired shape and proper 
weld prep before welding.

•  When fi nished, clean the tool of metal chips and excess oil while handling the chips with extreme 

care. Replace the Lock Pin to keep the Arbor Shaft in place and remove hole saw for safety.

FIG. G

FIG. G

FIG. H

FIG. H

Retaining pin

Retaining pin

Arbor 

Arbor 
Carrier 

Carrier 
bolts

bolts

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