Midway Corporation

O-1 OIL HARDENING DRILL ROD

Oil Hardening Drill Rod is the most common grade of drill rod.

It is a general purpose tool steel, outstanding for its reliability in hardening, good wear resistance & toughness.

Highly polished Oil Hardened Drill Rod can be used without further grinding & is excellent for general shop use.

 

Use for Dies, Gauges, Parts, Punches & Tools.

Chemical Composition

  • Carbon .85/1.00
  • Maganese 1.00/1.40
  • Silicon .50 max.
  • Phosphorus .030 max.
  • Sulphur .030 max.
  • Chromium .40/.60
  • Vanadium .30 max.
  • Tungsten .40/.60

Tolerances Standard Diameter

  • .06250 to 0.1240 +/- .0003"
  • .01250 to 0.4990 +/- .0005"
  • .05000 to 3.000 +/- .0010"
  • Straightness
  • .005" Max TIR in 12"
  • + .12500 - 0.00"
  • Standard Length Tolerance
  • + .12500 -0.00"

Specifications

  • UNS T31501
  • SAE J-437
  • ASTM A-681-94
  • Federal QQT-570-Rev C

Surface Finish

  • .06250 to 0.12499 10 RMS
  • 0.12500 to 0.4999 15 RMS
  • 0.5000 to 0.87499 20 RMS
  • 0.8750 to 3.000 30 RM

Fractional Sizes Available in 3' & 12' Length

  • 1/16"
  • 5/64"
  • 3/32"
  • 7/64"
  • 1/8"
  • 9/64"
  • 5/32"
  • 11/64"
  • 3/16"
  • 13/64"
  • 7/32"
  • 15/64"
  • 1/4"
  • 17/64"
  • 9/32"
  • 19/64"
  • 5/16"
  • 21/64"
  • 11/32"
  • 23/64"
  • 3/8"
  • 25/64"
  • 13/32"
  • 27/64"
  • 7/16"
  • 29/64"
  • 15/32"
  • 31/64"
  • 1/2"
  • 33/64"
  • 17/32"
  • 35/64"
  • 9/16"
  • 37/64"
  • 19/32"
  • 39/64"
  • 5/8"
  • 41/64"
  • 21/32"
  • 43/64"
  • 11/16"
  • 45/64"
  • 23/32"
  • 47/64"
  • 3/4"
  • 49/64"
  • 25/32"
  • 51/64"
  • 13/16"
  • 53/64"
  • 27/32"
  • 55/64"
  • 7/8"
  • 57/64"
  • 29/32"
  • 59/64"
  • 15/16"
  • 61/64"
  • 31/32"
  • 63/64"
  • 1"
  • 1-1/32"
  • 1-1/16"
  • 1-3/32"
  • 1-1/8"
  • 1-5/32"
  • 1-3/16"
  • 1-7/32"
  • 1-1/4"
  • 1-9/32"
  • 1-5/16"
  • 1-11/32"
  • 1-3/8"
  • 1-13/32"
  • 1-7/16"
  • 1-15/32"
  • 1-1/2"
  • 1-9/16"
  • 1-5/8"
  • 1-11/16"
  • 1-3/4"
  • 1-13/16"
  • 1-7/8"
  • 1-15/16"
  • 2"

Letter Sizes Available in 3' & 12' Length

  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M
  • N
  • O
  • P
  • Q
  • R
  • S
  • T
  • U
  • V
  • W
  • X
  • Y
  • Z

Number / Wire Sizes Available in 3' & 12' Length

  • 01
  • 02
  • 03
  • 04
  • 05
  • 06
  • 07
  • 08
  • 09
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52

Metric Sizes Available in 3' Length

  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25