Final Sale 5/16″ X 1 1/4″ X 18″ Starrett Precision Ground Flat Stock AISI D-2 Air Hardened Steel 69166

This 5/16 inches by 1 1/4 inches by 18 inches precision ground flat stock is manufactured from AISI D-2 air hardened steel and delivered as a single piece.

Precision ground flat stock for consistent thickness and straightness across length

High wear resistance from D-2 tool steel composition improves tool life in holding and forming applications

Air hardened steel provides robust edge retention and durability under cold working conditions

One piece construction minimizes deflection and eliminates joints that could affect accuracy

Specifications

Dimensions: 5/16 inches thick × 1 1/4 inches wide × 18 inches long

Material: AISI D-2 air hardened steel

Finish: Precision ground

Cross-section: rectangular flat stock with uniform thickness

Overall dimensions align with standard tooling and fabrication workflows

Surface finish supports precise finishing operations and consistent machining results

Applications

Tooling and die making: blank stock for punches, dies, and custom tooling

Metal fabrication: forming aids, shims, and stiffeners requiring flat, reliable stock

Machining and grinding operations: spacer stock or reference material for fixtures and jigs

Maintenance and repair shops: groundwork stock for custom blades and specialty tooling