Fan Favorite 3/8″ X 1 1/2″ X 18″ Starrett Oversize Precision Ground Flat Stock AISI A-2 Air Hardened Steel 57187

3/8″ X 1 1/2″ X 18″ Starrett Oversize Precision Ground Flat Stock | AISI A-2 Air Hardened Steel | 57187 is Starrett precision ground flat stock, supplied ground flat, square and parallel in aisi a-2 air hardened steel so it goes straight into layout, fixturing and machining work without further surfacing.

Precision ground flat stock provides consistent flatness across the entire length

Oversize form supports final finishing to target dimensions with controlled removal

AISI A-2 air hardened steel offers balanced hardness and toughness for general machining tasks

Single-piece construction eliminates joints, improving stability during setup and milling

Ideal as a reference block, alignment base, or fixture component in metalworking workflows

Specifications

Thickness: 3/8 inch

Width: 1.5 inch

Length: 18 inch

Material: AISI A-2 air hardened steel

Form: Oversize precision ground flat stock, 1 piece

Finish: Precision ground for flatness

Dimensions: 3/8 inch thick × 1.5 inch wide × 18 inch long

Shape: Solid flat stock

Applications

Metal fabrication and machining shops

Tool and die manufacturing and maintenance

Jig, fixture, and gauge production

Prototyping and custom fixture development in engineering environments