DRILL ROD
DRILL ROD
DRILL ROD
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<strong>DRILL</strong> <strong>ROD</strong><br />
Size Chart.............................................................16-2 thru 16-8<br />
Drill Rod Specifications........................................................ 16-9<br />
Any sizes not listed in this section are available upon request.<br />
Alro's drill rod inventory is available in many grades and hundreds of<br />
standard diameters.<br />
alro.com<br />
Visit the Alro Web Site<br />
alro.com<br />
alro.com<br />
16-1
<strong>DRILL</strong> <strong>ROD</strong><br />
(3 FT. LENGTHS)<br />
*AVAILABLE IN 12 FOOT LENGTHS<br />
Size in<br />
inches<br />
Decimal<br />
H-13<br />
RC<br />
W-1* O-1* S-7 A-2* D-2 M-2 42/46<br />
69 .0290 • •<br />
68 .0300 • •<br />
67 .0310 • •<br />
1/32 .0312 • •<br />
66 .0320 • •<br />
65 .0330 • •<br />
64 .0350 • •<br />
63 .0360 • •<br />
62 .0370 • •<br />
61 .0380 • •<br />
60 .0390 • •<br />
59 .0400 • •<br />
58 .0410 • •<br />
57 .0420 • •<br />
56 .0450 • •<br />
3/64 .0468 • •<br />
55 .0500 • •<br />
54 .0550 • •<br />
53 .0580 • •<br />
1/16 .0625 • • • • • •<br />
52 .0630 • •<br />
51 .0660 • •<br />
50 .0690 • •<br />
49 .0720 • •<br />
48 .0750 • •<br />
47 .0770 • •<br />
5/64 .0781 • • • • • •<br />
46 .0790 • •<br />
45 .0810 • •<br />
44 .0850 • •<br />
43 .0880 • •<br />
42 .0920 • •<br />
•Letter and number designations refer to non-standard fractional sizes.<br />
•Please refer to page 16-9 for drill rod specifications and tolerances.<br />
•Sizes not listed are available upon request.<br />
16-2
<strong>DRILL</strong> <strong>ROD</strong><br />
(3 FT. LENGTHS)<br />
*AVAILABLE IN 12 FOOT LENGTHS<br />
Size in<br />
inches<br />
Decimal<br />
H-13<br />
RC<br />
W-1* O-1* S-7 A-2* D-2 M-2 42/46<br />
3/32 .0937 • • • • • •<br />
41 .0950 • •<br />
40 .0970 • •<br />
39 .0990 • •<br />
38 .1010 • •<br />
37 .1030 • •<br />
36 .1060 • •<br />
35 .1080 • •<br />
7/64 .1093 • • • • • •<br />
34 .1100 • •<br />
33 .1120 • •<br />
32 .1150 • •<br />
31 .1200 • •<br />
1/8 .1250 • • • • • • •<br />
30 .1270 • •<br />
29 .1340 • •<br />
28 .1390 • •<br />
9/64 .1406 • • • • • •<br />
27 .1430 • •<br />
26 .1460 • •<br />
25 .1480 • •<br />
24 .1510 • •<br />
23 .1530 • •<br />
22 .1550 • •<br />
5/32 .1562 • • • • • • •<br />
21 .1570 • •<br />
20 .1610 • •<br />
19 .1640 • •<br />
18 .1680 • •<br />
11/64 .1718 • • • • • •<br />
17 .1720 • •<br />
16 .1750 • •<br />
•Letter and number designations refer to non-standard fractional sizes.<br />
•Please refer to page 16-9 for drill rod specifications and tolerances.<br />
•Sizes not listed are available upon request.<br />
16-3
<strong>DRILL</strong> <strong>ROD</strong><br />
(3 FT. LENGTHS)<br />
*AVAILABLE IN 12 FOOT LENGTHS<br />
Size in<br />
inches<br />
Decimal<br />
15 .1780 • •<br />
14 .1800 • •<br />
13 .1820 • •<br />
12 .1850 • •<br />
H-13<br />
RC<br />
W-1* O-1* S-7 A-2* D-2 M-2 42/46<br />
3/16 .1874 • • • • • • •<br />
11 .1880 • •<br />
10 .1910 • •<br />
9 .1930 • •<br />
8 .1970 • •<br />
7 .1990 • •<br />
6 .2010 • •<br />
13/64 .2031 • • • • • • •<br />
5 .2040 • •<br />
4 .2070 • •<br />
3 .2120 • •<br />
7/32 .2187 • • • • • • •<br />
2 .2190 • •<br />
1 .2270 • •<br />
A .2340 • •<br />
15/64 .2343 • • • • • • •<br />
B .2380 • •<br />
C .2420 • •<br />
D .2460 • •<br />
1/4 .2500 • • • • • • •<br />
E .2500 • •<br />
F .2570 • •<br />
G .2610 • •<br />
17/64 .2656 • • • • • •<br />
H .2660 • •<br />
I .2720 • •<br />
J .2770 • •<br />
K .2810 • •<br />
•Letter and number designations refer to non-standard fractional sizes.<br />
•Please refer to page 16-9 for drill rod specifications and tolerances.<br />
•Sizes not listed are available upon request.<br />
16-4
<strong>DRILL</strong> <strong>ROD</strong><br />
(3 FT. LENGTHS)<br />
*AVAILABLE IN 12 FOOT LENGTHS<br />
Size in<br />
inches<br />
Decimal<br />
H-13<br />
RC<br />
W-1* O-1* S-7 A-2* D-2 M-2 42/46<br />
9/32 .2812 • • • • • • •<br />
L .2900 • •<br />
M .2950 • •<br />
19/64 .2968 • • • • • •<br />
N .3020 • •<br />
5/16 .3125 • • • • • • •<br />
O .3160 • •<br />
P .3230 • •<br />
21/64 .3281 • • • • • •<br />
Q .3320 • •<br />
R .3390 • •<br />
11/32 .3437 • • • • • • •<br />
S .3480 • •<br />
T .3580 • •<br />
23/64 .3593 • • • • • •<br />
U .3680 • •<br />
3/8 .3750 • • • • • • •<br />
V .3770 • •<br />
W .3860 • •<br />
25/64 .3906 • • • • • •<br />
X .3970 • •<br />
Y .4040 • •<br />
13/32 .4062 • • • • • •<br />
Z .4130 • •<br />
27/64 .4218 • • • • • •<br />
7/16 .4375 • • • • • • •<br />
29/64 .4531 • • • • • •<br />
15/32 .4687 • • • • • •<br />
31/64 .4843 • • • • • •<br />
1/2 .5000 • • • • • • •<br />
33/64 .5156 • •<br />
17/32 .5312 • • • • • • •<br />
•Letter and number designations refer to non-standard fractional sizes.<br />
•Please refer to page 16-9 for drill rod specifications and tolerances.<br />
•Sizes not listed are available upon request.<br />
16-5
<strong>DRILL</strong> <strong>ROD</strong><br />
(3 FT. LENGTHS)<br />
*AVAILABLE IN 12 FOOT LENGTHS<br />
Size in<br />
inches<br />
Decimal<br />
35/64 .5468 • •<br />
H-13<br />
RC<br />
W-1* O-1* S-7 A-2* D-2 M-2 42/46<br />
9/16 .5625 • • • • • • •<br />
37/64 .5781 • •<br />
19/32 .5937 • • • • • •<br />
39/64 .6093 • •<br />
5/8 .6250 • • • • • • •<br />
41/64 .6406 • •<br />
21/32 .6562 • • • • • • •<br />
43/64 .6718 • •<br />
11/16 .6875 • • • • • • •<br />
45/64 .7031 • •<br />
23/32 .7187 • • • • • • •<br />
47/64 .7343 • •<br />
3/4 .7500 • • • • • • •<br />
49/64 .7656 • •<br />
25/32 .7812 • •<br />
51/64 .7968 • •<br />
13/16 .8125 • • • • • • •<br />
53/64 .8281 • •<br />
27/32 .8437 • •<br />
55/64 .8593 • •<br />
7/8 .8750 • • • • • • •<br />
57/64 .8906 • •<br />
29/32 .9062 • •<br />
59/64 .9281 • •<br />
15/16 .9375 • • • • • •<br />
61/64 .9531 • •<br />
31/32 .9687 • •<br />
63/64 .9843 • •<br />
1 1.0000 • • • • • • •<br />
1-1/64 1.0156 • •<br />
1-1/32 1.0312 • •<br />
•Please refer to page 16-9 for drill rod specifications and tolerances.<br />
•Sizes not listed are available upon request.<br />
16-6
<strong>DRILL</strong> <strong>ROD</strong><br />
(3 FT. LENGTHS)<br />
*AVAILABLE IN 12 FOOT LENGTHS<br />
Size in<br />
inches<br />
Decimal<br />
1-3/64 1.0468 • •<br />
H-13<br />
RC<br />
W-1* O-1* S-7 A-2* D-2 M-2 42/46<br />
1-1/16 1.0625 • • •<br />
1-5/64 1.0781 • •<br />
1-3/32 1.0937 • •<br />
1-7/64 1.1093 • •<br />
1-1/8 1.1250 • • • • • • •<br />
1-9/64 1.1406 • •<br />
1-5/32 1.1562 • •<br />
1-11/64 1.1718 • •<br />
1-3/16 1.1875 • • •<br />
1-13/64 1.2031 • •<br />
1-7/32 1.2187 • •<br />
1-15/64 1.2343 • •<br />
1-1/4 1.2500 • • • • • • •<br />
1-17/64 1.2656 • •<br />
1-9/32 1.2812 • •<br />
1-19/64 1.2968 • •<br />
1-5/16 1.3125 • • •<br />
1-21/64 1.3281 • •<br />
1-11/32 1.3437 • •<br />
1-23/64 1.3593 • •<br />
1-3/8 1.3750 • • • • • •<br />
1-25/64 1.3906 • •<br />
1-13/32 1.4062 • •<br />
1-27/64 1.4218 • •<br />
1-7/16 1.4375 • •<br />
1-29/64 1.4531 • •<br />
1-15/32 1.4687 • •<br />
1-31/64 1.4843 • •<br />
1-1/2 1.5000 • • • • • •<br />
1-9/16 1.5625 • •<br />
1-5/8 1.6250 • • •<br />
•Please refer to page 16-9 for drill rod specifications and tolerances.<br />
•Sizes not listed are available upon request.<br />
16-7
<strong>DRILL</strong> <strong>ROD</strong><br />
(3 FT. LENGTHS)<br />
*AVAILABLE IN 12 FOOT LENGTHS<br />
Size in<br />
inches<br />
Deci<br />
mal<br />
1-11/16 1.6875 • •<br />
H-13<br />
RC<br />
W-1* O-1* S-7 A-2* D-2 M-2 42/46<br />
1-3/4 1.7500 • • •<br />
1-13/16 1.8125 • •<br />
1-7/8 1.8750 • •<br />
1-15/16 1.9375 • •<br />
2 2.0000 • • •<br />
•Please refer to page 16-9 for drill rod specifications and tolerances.<br />
•Sizes not listed are available upon request.<br />
Alro drill rod is produced to close standard tolerances, closely-controlled<br />
chemical compositions and exceptional surface finish and quality.<br />
16-8
<strong>DRILL</strong> <strong>ROD</strong> SPECIFICATIONS<br />
Fine Standard Tolerances<br />
DIMENSIONAL TOLERANCES<br />
Standard*<br />
Tolerance Concentricity<br />
(section) Max T.I.R.<br />
Standard<br />
Tolerance<br />
(length)<br />
Round DrilI Rod<br />
3.000" to .500" ±.001" .005" +1/8", -.0<br />
.499" thru .125" dia. ±.0005" .005" +1/8", -.0<br />
.124" and smaller dia. ±.0003" .005" +1/8", -.0<br />
Flat and Square Drill Rod<br />
1.000" thru .750" (largest dim.) ±.0015" +1/8", -.0<br />
.749" thru .250" (largest dim.) ±.001" +1/8", -.0<br />
.249" and smaller ±.0005" +1/8", -.0<br />
*CIoser tolerances than standard can be produced upon inquiry.<br />
Closely-controlled Chemical Compositions<br />
Uniform machining properties and consistent response to heat treatment are obtained<br />
through careful control of chemical analysis.<br />
CHEMICAL COMPOSITIONS (%)<br />
Grade W1 O1 A2 S7 D2 H13 M2<br />
Carbon .95-1.05 .85-1.00 .95-1.05 .45-.55 1.40-1.60 .32-.45 .78-.88<br />
Manganese .30-.40 1.00-1.40 1.00 MAX .20-.80 .60 MAX .20-.50 .15-.85<br />
Silicon .10-.25 .50 MAX .50 MAX .20-1.00 .60 MAX .80-1.20 .20-.45<br />
Phosphorus .025 MAX<br />
Sulphur .025 MAX<br />
Chromium .15 MAX .40-.60 4.75-5.50 3.00-3.50 11.00-13.00 4.75-5.50 3.75-4.50<br />
Vanadium .10 MAX .30 MAX .15-.50 .30 MAX 1.10 MAX .80-1.20 1.75-2.20<br />
Tungsten .15 MAX .40-.60<br />
Molybdenum .10 MAX .90-1.40 1.30-1.80 .70-1.20 1.10-1.75 4.50-5.50<br />
Cobalt<br />
1.00 MAX<br />
Nickel .30 MAX .30 MAX .30 MAX .30 MAX .30 MAX<br />
alro.com<br />
Visit the Alro Web Site<br />
alro.com<br />
alro.com<br />
16-9
Visit the Alro Web Site to learn more about<br />
The Alro Difference!<br />
alro.com<br />
Search<br />
888-888-ALRO (2576)<br />
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16-10
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