O1 Tool Steel Drill Rod 5mm (3ft bar)

$8.99 Per Length

3ft Length O1 Grade

In Stock

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Diameter

0.2 in"

Material

Tool Steel

Shape

Drill Rod

Weight

0.31 lb/length

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Specifications

Material	Tool Steel
Shape	Drill Rod
Alloy	O1
Diameter	0.2 in"
Length	3 ft (36")
Weight	0.31 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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Description

O1 Tool Steel Drill Rod — 5mm diameter, precision ground, sold in standard 3-foot lengths.

O1 is an oil-hardening tool steel prized for its excellent dimensional stability during heat treatment. With a carbon content of 0.95–1.1%, it can achieve hardness up to 65 HRC after proper heat treating, making it ideal for precision tooling applications.

Common Applications

Precision punches and dies
Gauges and measuring tools
Drill bushings and dowel pins
Custom knife making
Jigs and fixtures
Shear blades and cutting tools

Key Properties

Grade: O1 (Oil-Hardening)
Hardness (annealed): ~217 HB
Hardness (heat treated): 60–65 HRC
Surface finish: Precision ground
Standard length: 3 ft (36")