In his famous dialogue “The Republic”, Plato wrote the now famous quote, “Necessity, who is the mother of invention.” Nothing better describes the foundation upon which was built Sample Marshall Laboratories, Inc. Ralph Marshall Sample, born in 1888 in Schuylerville, New York, was an electrical and mechanical engineer who had worked for the General Electric Company in Schenectady, New York; the New York Edison Company; and Western Electric Company before joining the ...
read moreR-200 with 1/4” or 1/2” Shank Drill O.D. Wall Thickness 9/16” 0.06 5/8” 0.06 11/16” ...
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Width (inches) Gauge Grit 1/4, 1/2, 3/4, 1 0.02 60/80 0.03 60/80 0.03 40/50 0.03 30/40 1/4, 1/2, 3/4, 1 0.04 30/40 0.04 20/30 1 1/4 0.04 20/30

Bi-Metal Hole Saws.

Brazed Tooling.




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