Precision Ground Flat Stock
5/8" x 12" x 3' Grade O1 Steel Precision Ground Flat Stock
Fastenal Part No. (SKU)
This is a Catalog Item
Online Price: $283.99 / each
Product Attributes
Application Precision Ground Flat Stock minimizes time consuming initial grinding to size in precision machining projects
Grade 01
Length 36.000"
Material Steel
Thickness 0.6250"
Tolerance Thickness: +/- 0.001", Widths: Up through 8", +.0000/0.005" and 9" and Over, +0.000/0.015", Squares: +/- 0.001"
Type Precision Ground Flat Stock
Width 12.000"
Product Weight 76.41
UOM each
Starrett® 496 Oil Hardening Precision Ground Flat Stock - Standard Tolerance Part No. 57242: 5/8" Thickness x 12" Width x 36" Length.
  • Stock is dimensionally stable - use it for the most intricate work
  • Deep hardening characteristics and fine grain structure
  • Machines freely - fully spheroidized, annealed
  • Full length identification - eliminates confusion with other steels
  • Starrett® uses its own ground flat stock and die stock for many of its fine precision tool parts
  • Conforms to ASTM A681 and is supplied annealed
  • Rockwell hardness is 89-96 B scale
  • Thickness tolerance is +/-0.001"
  • Width tolerance is +0.005"

Since much layout work is concerned with the preparation of templates, gages, test and cutting tools, machine parts, jig and fixture parts, etc., there are many advantages to Ground Flat Stock. This is high grade tool steel available in 18, 24 and 36 inch lengths in a variety of widths and thicknesses. It is accurately ground to within .001 inch in thickness and annealed for easy machining. Starrett® Ground Flat Stock is available in three types: oil hardening, air hardening and low carbon.
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