3/8″ X 3/8″ X 18″ Starrett Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 54116 Fast Shipping

3/8″ X 3/8″ X 18″ Starrett Precision Ground Flat Stock | AISI O-1 Oil Hardened Steel | 54116 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 flat stock provides consistent squareness for reference surfaces, fixtures, and custom tooling

AISI O-1 oil hardened steel offers stability after machining and good wear resistance for fixture components

Uniform cross section supports reliable clamping, routing, and milling setups

Machinable with standard shop tools; suitable for drilling, milling, and shaping operations

Specifications

Material: AISI O-1 Oil Hardened Steel

Size: 3/8 inch by 3/8 inch by 18 inches

Finish: Precision ground flat stock

Form: Flat rectangular stock with square cross section

Surface characteristics: Precision ground for flatness and squareness

Length: 18 inches

Cross section: 3/8 inch by 3/8 inch

Applications

Machine shops and toolmaking operations for fixture blocks and reference surfaces

Metal fabrication and welding fixture construction

Prototyping labs and education workshops for hands-on machining practice

DIY makerspace projects requiring accurate, durable flat stock for jigs and alignment tools