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Tight-Tolerance Precision Ground Flat Stock - Knife Steel - Blade Steel

Tool Steel Service of California, Inc. sells high quality Tight-Tolerance Precision Ground Flat Stock (PGFS) in a variety of grades and sizes. We sell the following grades online A2, D2, O1, S7, 4140, 410 Stainless, 420 Stainless, 440C Stainless, and A36 Low Carbon. Tight-Tolerance Precision Ground Flat Stock is a great product for knife making and is commonly referred to as knife steel and blade steel. If you can’t find what you need on our site contact us at 1-888-866-5911 or e-mail us.

Precision Ground Flat Stock TolerancesThickness Top/BottomWidth ToleranceLength ToleranceSquare Tolerance
Tool Steel Standard Tolerance
A2, D2, O1, S7, Low Carbon, 4140
+/- .001"+.005" / -.000"+1/8".003" / Inch
Tool Steel Oversize Tolerance +.010" to +.015"+.010" / +.015”+1/8".003" / Inch
Stainless Standard Tolerance +/- .001"+.000" / .005"+1/8".003" / Inch
Stainless Oversize Tolerance+.010"/+.015"+.010" / .015”+1/2" .003" / Inch