O1 Tool Steel Precision Ground Flat Bar 1/8" x 2" (3ft bar)

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3ft Length Out of Stock O1 Grade

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Thickness

0.13 in"

Width

2 in"

Material

Tool Steel

Shape

Flat Bar

Weight

3.99 lb/length

Specifications

Material	Tool Steel
Shape	Flat Bar
Alloy	O1
Thickness	0.13 in"
Width	2 in"
Length	3 ft (36")
Weight	3.99 lb/length
Surface	Precision Ground
MTR	Available Upon Request

Characteristics

Weldability	Not Recommended
Machining	Excellent
Bending/Forming	Poor
Wear Resistance	Excellent
Corrosion	Poor

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Standard Delivery

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Description

O1 Tool Steel Precision Ground Flat Bar — 1/8" thick × 2" wide, sold in standard 3-foot lengths.

O1 is an oil-hardening tool steel known for minimal distortion during heat treatment. With excellent machinability in the annealed state and outstanding wear resistance when hardened, it's the go-to choice for precision flat stock applications.

Common Applications

Die plates and wear plates
Blanking and forming dies
Precision shims and spacers
Machine knives and blades
Custom knife making (blade stock)
Jig and fixture components

Key Properties

Grade: O1 (Oil-Hardening)
Finish: Precision Ground (PG)
Hardness (annealed): ~217 HB
Hardness (heat treated): 60–65 HRC
Tolerance: ±0.001" thickness
Standard length: 3 ft (36")