Oil & Gas
Jet Circulation, Tungsten Carbide Insert,
Gaged
Sealed O-Ring Journal Bearing Bits
|
IADC
|
Inches
|
Metric
|
|
437 - 637
|
3 7/8” - 4 7/8”
|
98 - 124
|
|
437 - 637
|
5 1/8” - 5 3/8”
|
130 - 137
|
|
437 - 637
|
5 1/2”
|
140
|
|
437 - 637
|
5 7/8” - 6 1/2”
|
149 - 159
|
|
437 - 637
|
7 7/8”
|
200
|
|
437 - 637
|
8 3/4”
|
222
|
|
437 - 637
|
11”
|
279
|
|
437 - 637
|
12 1/4”
|
311
|
Optional extra-gage
protection on shirttails is available.
GT® Engineering, Inc.
7 American Way
Shawnee, OK 74804 USA
(800) 752-0816
(405) 395-0500
Click on the GT® Digital
Catalog to see bit photographs.
GT is a Registered Trademark of GT® Engineering, INC.
