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Product Details

Fuller Type R Counterbores have two flutes to cut a flat bottom hole in wood or plastics for heads of screws, rivets, or nails. Extension lip pattern cutting edges cuts a clean hole without tearing the wood. These stainless steel bores are hardened enough to hold an edge and yet can be sharpened with a file.

Tech Specs
Part NumberCutting DiameterDrill Size
R173/87/64
R13/81/8
R193/89/64
R153/85/32
R1113/811/64
R133/83/16
R1133/813/64
R727/161/8
R757/165/32
R737/163/16
R7137/1613/64
R221/21/8
R251/25/32
R2111/211/64
R231/23/16
R2131/213/64
R271/27/32
R2151/215/64
R241/21/4
R939/167/32
R979/167/32
R949/161/4
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Ellsworth, Maine
3 out of 5 stars.

Okay, but not so great for pine

15 years ago
As a church we are setting up so that people can build their own interior storm windows, double-glazed with heat-shrink plastic. As of yet, have not found an acceptable counterbore for the pine we are using for frame stock. What is needed is a counterbore that cuts like a forstner bit so that the wood has a place to go, it just loads up in these, and then you have to go at it several times with the drill press. I think these are as good as they can be, of this design.
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Q: null do you have these in different sizes ?

13 years ago
1 Answer

A: Use the drop down menu to select the sizing you would like... < a href=__quote__http://www.jamestowndistributors.com/userportal/show_product.do?pid=500__quote__ target=__quote___blank__quote__>http://www.jamestowndistributors.com/userportal/show_product.do?pid=500< /a>

13 years ago
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