Drag Bit Selection

 Example: DB   2 1/2"   S

 DB       = Drag Bit
 2 1/2"   = Size in Inches
 S          = Step Type
 C          = Chevron Type

 

Bit Diameter	Bit Design	Part Number
2 1/2"    (64mm)	S C	DB212S DB212C
2 3/4"    (70mm)	S C	DB234S DB234C
2 15/16"  (75mm)	S C	DB21516S DB21516C
3"          (76mm)	S C	DB3S DB3C
3 1/8"     (79mm)	S C	DB318S DB318C
3 1/4"    (83mm)	S C	DB314S DB314C
3 1/2"    (89mm)	S C	DB312S DB312C
3 5/8"    (92mm)	S C	DB358S DB358C
3 3/4"     (95mm)	S C	DB334S DB334C
3 7/8"     (98mm)	S C	DB378S DB378C
4"         (102mm)	S C	DB4S DB4C
4 1/8"   (105mm)	S C	DB418S DB418C
4 1/4"  (108mm)	S C	DB414S DB414C
4 1/2"  (114mm)	S C	DB412S DB412C
4 5/8"  (117mm)	S C	DB458S DB458C
4 3/4"  (121mm)	S C	DB434S DB434C
4 7/8"  (124mm)	S C	DB478S DB478C
5"      (127mm)	S C	DB5S DB5C
5 1/8"  (130mm)	S C	DB518S DB518C
5 1/4"  (133mm)	S C	DB514S DB514C
5 1/2"  (140mm)	S C	DB512S DB512C
5 5/8"  (143mm)	S C	DB558S DB558C
5 3/4"  (146mm)	S C	DB534S DB534C
5 7/8"  (149mm)	S C	DB578S DB578C
6"       (152mm)	S C	DB6S DB6C
6 1/8"  (156mm)	S	DB618S
6 1/4"  (159mm)	S	DB614S
6 1/2"  (165mm)	S	DB612S
6 5/8"  (168mm)	S	DB658S
6 3/4"  (171mm)	S	DB634S
6 7/8"  (175mm)	S	DB678S
7"        (178mm)	S	DB7S
7 1/8"  (181mm)	S	DB718S
7 1/4"  (184mm)	S	DB714S
7 1/2"  (191mm)	S	DB712S
7 5/8"  (194mm)	S	DB758S
7 3/4"  (197mm)	S	DB734S
7 7/8"  (200mm)	S	DB778S
8"        (203mm)	S	DB8S
8 1/8"  (206mm)	S	DB818S
8 1/4"  (210mm)	S	DB814S
8 1/2"  (216mm)	S	DB812S
8 5/8"  (219mm)	S	DB858S
8 3/4"  (222mm)	S	DB834S
8 7/8"  (225mm)	S	DB878S
9"       (229mm)	S	DB9S
9 1/8"  (232mm)	S	DB918S
9 1/4" (235mm)	S	DB914S
9 1/2"  (241mm)	S	DB912S
9 5/8"  (244mm)	S	DB958S
9 3/4"  (248mm)	S	DB934S
9 7/8"  (251mm)	S	DB978S
10"      (254mm)	S	DB10S
12"      (305mm)	S	DB12S
12 1/4" (313mm)	S	DB1214S
15"      (381mm)	S	DB15S
17 1/2" (445mm)	S	DB1712S

Please Note:
1. All above sizes are generally 3-Wing and Standard design.
2. All above sizes connection type are AROD/NROD and Standard API thread.

Special Order:
1. All above sizes of 4-Wing and Chevron type drag bit is upon customer request.
2. Any special size and design is upon customer request.

Contact us today for assistance on correct bit selection for your application.

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