High Quality 3/16″ X 5/8″ X 36″ Starrett Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 58639

3/16″ X 5/8″ X 36″ Starrett Precision Ground Flat Stock | AISI O-1 Oil Hardened Steel | 58639 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 surface provides flatness and square edges for reliable fixturing and accurate machining

Oil hardened tool steel with improved hardness and edge retention for tooling and die applications

Uniform cross-section along the length supports consistent cutting, drilling, and milling operations

Clean edges reduce burrs during initial machining and setup

Specifications

Material: AISI O-1 oil hardened steel

Form: Precision ground flat stock

Dimensions: 3/16 inch thick, 5/8 inch wide, 36 inch long

Single piece flat stock with uniform thickness and width

Surface finish optimized for machining and forming processes

Edges ground to facilitate straightforward layout and minimal prep before use

Applications

Tooling and die making: blanks for forming dies, punches, and fixtures

Metal fabrication and prototype development: custom fixtures, jigs, and spacer components

Machining and grinding operations: stock for blanking, shaping, and finish work

Blade and edge tooling: base material for knives, blades, and edge tools requiring tough, oil hardened steel