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Prentiss #20 (4-5/8 inch) Serrated Vise Jaws

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  • Thanks Charles for sending a picture of your vise. 10-2017
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 Product Description

A pair of new replacement Serrated Vise Jaws for the Prentiss #20 Vise. Check dimensions below for matching your jaws to these.  They could fit the # 3, or the #53 and the Monarch 217.

 A-2 Tool Steel is Heat Treated to 54-56 Rockwell. The colorful pattern on the serrated jaws happens during the Heat Treating process when nitrogen is used. After Heat Treating, these jaws are surface ground flat and then squared.

(4x)  5/16:18 Short Head Cap Screws supplied.

Made in the USA.


Length:                4-5/8        

Height:                 1-3/16

Channel Height:   11/16  (.692)  .005 wider for a easy fit.

Channel Depth:     .208   Check your depth and if it is 3/16 then let me know so I can adjust channel depth.  These numbers came from 2 examples.   

Thickness:           5/8   Original thickness is .585  (I made it a bit thicker to add more beef around the screws and to allow the owner to re surface the face).             

Distance between screws:  3-1/4    Centered in channel.          

Screw Size ---  5/16:18

 Product Reviews

  1. Quality jaws

    Posted by Tim L. on 22nd Aug 2015

    Bought as replacements for my Prentiss #20 vise which I was restoring, these are a perfect fit and seem to be made of very high quality steel, probably would exceed factory originals if you could find them, they are excellent replacements for worn down originals.

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