3/8″ X 6″ X 36″ Starrett Oversize Precision Ground Flat Stock AISI O-1 Oil Hardened Steel 56856 Must Have

3/8″ X 6″ X 36″ Starrett Oversize Precision Ground Flat Stock | AISI O-1 Oil Hardened Steel | 56856 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 delivers consistent planarity and square faces for reliable machining setups

Oil hardened O-1 steel offers combination of hardness, toughness, and ease of machining

Solid, one-piece construction minimizes flex and eliminates joint weaknesses in fixtures

Oversize geometry provides added material for custom fixturing, shims, and build-up work blocks

Suitable as reference block, milling setup stock, or fixture base in metalworking environments

Specifications

Material: AISI O-1 oil hardened tool steel

Finish: Precision ground flat stock

Dimensions: 3/8 inch thick x 6 inch wide x 36 inch long

Form: Oversize precision ground flat stock

Size: 3/8 inch thick, 6 inch wide, 36 inch long

Surface: Flat, true faces with precision ground finish

Configuration: Solid bar, no holes or perforations

Applications

Machining and toolmaking shops for fixtures, reference surfaces, and build-up blocks

Metal fabrication and prototype development for jig and gauge components

Educational labs and training environments for hands-on milling and measuring practice

DIY and hobby machinists crafting custom fixtures or alignment references