Air Hardening Drill Rod Info Doc

A-2 Drill Rod is air-hardening ground and polished. It can be used to replace O-1 for applications for safer heat treating, less distortion during hardening and greater wear resistance.

 

A-2 features good machinability, high stability after hardening, good wear resistance and is suitable for medium run tooling.

Chemical Composition

 

  • Carbon .95/1.05

  • Maganese 1.00 max

  • Silicon .030 max

  • Phosphorus .025 max.

  • Sulphur .030 max.

  • Chromium 4.75/5.50

  • Vanadium .15/.50

  • Tungsten ------------------

  • Molybdenum .90/1.40

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"

UNS T30102

  • 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 RMS

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"

  • 17/32"

  • 9/16"

  • 19/32"

  • 5/8"

  • 21/32"

  • 11/16"

  • 23/32"

  • 3/4"

  • 13/16"

  • 7/8"

  • 15/16"

  • 1"

  • 1-1/8"

  • 1-1/4"

  • 1-3/8"

  • 1-1/2"

  • 1-3/4"

  • 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

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

 
All Rights Reserved 2019
​Nolan's Mill & Metal, a Midway Company
​107 Twin Oaks Drive PO Box 134
Syracuse, NY 13206-0134
Request For Quote