Luxury 1/2″ X 4 1/2″ X 18″ Starrett Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 54158

1/2″ X 4 1/2″ X 18″ Starrett Precision Ground Flat Stock | AISI O-1 Oil Hardened Steel | 54158 is Starrett precision ground flat stock, supplied ground flat, square and parallel in aisi o-1 oil hardened steel so it goes straight into layout, fixturing and machining work without further surfacing.

Precision ground faces provide consistent flatness for machining and finishing operations

AISI O-1 oil hardened steel offers uniform hardness and good dimensional stability under cutting heat

One piece construction eliminates joints that could introduce play or flex during fabrication

Suitable as a tool blank, form die stock, fixture block, or knife making stock for custom projects

Machinable with standard equipment such as mills, grinders, and lathes

Specifications

Thickness: 1/2 inch

Width: 4 1/2 inch

Length: 18 inch

Material: AISI O-1 oil hardened steel

Finish: Precision ground flat stock

Dimensions: 1/2 inch thick x 4 1/2 inch wide x 18 inch long

Edges: square, straight edges milled for consistent seating

Surface: flat, precision ground faces

Applications

Machine shops and fabrication shops for custom blanks and fixtures

Tool and die houses for run-off stock, alignment blocks, and gauge references

Prototype laboratories for fixture development and short-run tooling

Educational laboratories for hands-on metalworking practice