Rotary type Drag Bits are
used for the same manner and for the same purpose as
milled tooth Rock Bits, except that they are limited to
softer formations generally. They are, in most cases
cheaper than Rock Bits. The cutting profile may be flat,
chevron or stepped according to application. They may be
used in air or fluid flush.
When ordering Drag bits
please ensure that the following information is clearly
provided:
Formation to
be drilled
Flushing
medium (air or fluid)
Profile of
bit (flat, chevron or stepped)
Size
Type Pin
4 7/8 - 5
1/8
2 3/8 API
5 1/4 - 5
1/2
2 3/8 API
5 5/8 - 6
2 3/8 API
6 1/8 - 6
1/4
2 3/8 API
6 ½ - 6 1/4
2 3/8 API
6 7/8 - 7
7/8
3 1/2 API
7 7/8 - 8
7/8
4 1/2 API
8 - 9
3 1/2 API
9 - 9 7/8
4 1/2 API
9 1/8 - 10
7/8
3 1/2 API
10 - 10 7/8
3 1/2 API or
4 1/2 API
11 - 12 1/4
3 1/2 API or
4 1/2 API
Key
Person
Geetha V Nair
Chief Executive Officer
Head
Office & Works
Survey No. 222/1
Near Nagarjuna Nagar Colony
Cherlapally Road, RR
District
Hyderabad 500062 Andhra Pradesh,
INDIA
Telephone
+91-40-27126832, 27121828, 27126833, 27127072
Mobile
+91-9391072346
Fax
+91-40-27120558
E-mail
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