Chevron Drill Bits

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2020年12月14日

Three Wing Chevron Drill Bits

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Step Drag Bits – 3 Wing – Box





Chevron Drill Bits

These are also known as fishtail type bits are a very aggressive, fast digging bit excellent for soft – medium soft formations. Reduce the drilling speed to slow and reduce the weight on the bit to less than half of what you would use when drilling with a tricone drill bit.



A drag bit is a drill bit usually designed for use in soft formations such as sand, clay, or some soft rock. However, they will not work well in coarse gravel or hard rock formations. Uses include drilling water wells, mining, geothermal, environmental and exploration drilling. Whenever possible, they should be used to drill pilot holes because they produce cuttings that are easiest to log.



Drag bits generally are designed for use in softer formations of unconsolidated material such as clays, sands, shale, and soft limestone’s. They have a wide range of uses from geothermal and waterwell drilling to road construction, ground water, natural gas and everything in between.




Step Drag Bits – 3 Wing – Box 
DescriptionPart #Lbs.Kg
ACRO Box
3 7/8″ (98mm) Step Drag Bit, ACRODB378SACROB5.52.5
MJR Box
3 7/8″ (98mm) Step Drag Bit, MJR BoxDB378SMJRB5.52.5
4 3/4″ (121mm) Step Drag Bit, MJR BoxDB434SMJRB104.6
5 1/4″ (133mm) Step Drag Bit, MJR BoxDB514SMJRB104.6
5 1/2″ (140mm) Step Drag Bit, MJR BoxDB512SMJRB125.6
5 5/8″ (130mm) Step Drag Bit, MJR BoxDB558SMJRB125.6
5 7/8″ (149mm) Step Drag Bit, MJR BoxDB578SMJRB125.6
6″ (152mm) Step Drag Bit, MJR BoxDB600SMJRB125.6
6 1/8″ (156mm) Step Drag Bit, MJR BoxDB618SMJRB125.6
6 1/4″ (159mm) Step Drag Bit, MJR BoxDB614SMJRB125.6
6 1/2″ (165mm) Step Drag Bit, MJR BoxDB612SMJRB125.6
6 3/4″ (172mm) Step Drag Bit, MJR BoxDB634SMJRB125.6
7″ (178mm) Step Drag Bit, MJR BoxDB700SMJRB146.5
7 1/2″ (191mm) Step Drag Bit, MJR BoxDB712SMJRB146.5
7 7/8″ (200mm) Step Drag Bit, MJR BoxDB778SMJRB146.5
8 1/2″ (216mm) Step Drag Bit, MJR BoxDB812SMJRB167.4
8 3/4″ (222mm) Step Drag Bit, MJR BoxDB834SMJRB167.4
9″ (229mm) Step Drag Bit, MJR BoxDB900SMJRB167.4
9 1/2″ (241mm) Step Drag Bit, MJR BoxDB912SMJRB188.3
9 7/8″ (251mm) Step Drag Bit, MJR BoxDB978SMJRB188.3
10″ (254mm) Step Drag Bit, MJR BoxDB1000SMJRB188.3
FEDP Box
4 3/4″ (121mm) Step Drag Bit, FEDP BoxDB434SFEDPB104.6
5 1/4″ (133mm) Step Drag Bit, FEDP BoxDB514SFEDPB104.6
5 1/2″ (140mm) Step Drag Bit, FEDP BoxDB512SFEDPB125.6
5 5/8″ (130mm) Step Drag Bit, FEDP BoxDB558SFEDPB125.6
5 7/8″ (149mm) Step Drag Bit, FEDP BoxDB578SFEDPB125.6
6″ (152mm) Step Drag Bit, FEDP BoxDB600SFEDPB125.6
6 1/8″ (156mm) Step Drag Bit, FEDP BoxDB618SFEDPB125.6
6 1/4″ (159mm) Step Drag Bit, FEDP BoxDB614SFEDPB125.6
6 1/2″ (165mm) Step Drag Bit, FEDP BoxDB612SFEDPB125.6
6 3/4″ (172mm) Step Drag Bit, FEDP BoxDB634SFEDPB125.6
7″ (178mm) Step Drag Bit, FEDP BoxDB700SFEDPB146.5
7 1/2″ (191mm) Step Drag Bit, FEDP BoxDB712SFEDPB146.5
7 7/8″ (200mm) Step Drag Bit, FEDP BoxDB778SFEDPB146.5
8 1/2″ (216mm) Step Drag Bit, FEDP BoxDB812SFEDPB167.4
8 3/4″ (222mm) Step Drag Bit, FEDP BoxDB834SFEDPB167.4
9″ (229mm) Step Drag Bit, FEDP BoxDB900SFEDPB167.4
9 1/2″ (241mm) Step Drag Bit, FEDP BoxDB912SFEDPB188.3
9 7/8 (251mm) Step Drag Bit, FEDP BoxDB978SFEDPB188.3
10″ (254mm) Step Drag Bit, FEDP BoxDB1000SFEDPB188.3
MR Box
4 3/4″ (121mm) Step Drag Bit, MR BoxDB434SMRB104.6
5 1/4″ (133mm) Step Drag Bit, MR BoxDB514SMRB104.6
5 1/2″ (140mm) Step Drag Bit, MR BoxDB512SMRB125.6
5 5/8″ (130mm) Step Drag Bit, MR BoxDB558SMRB125.6
5 7/8″ (149mm) Step Drag Bit, MR BoxDB578SMRB125.6
6″ (152mm) Step Drag Bit, MR BoxDB600SMRB125.6
6 1/8″ (156mm) Step Drag Bit, MR BoxDB618SMRB125.6
6 1/4″ (159mm) Step Drag Bit, MR BoxDB614SMRB125.6
6 1/2″ (165mm) Step Drag Bit, MR BoxDB612SMRB125.6
6 3/4″ (172mm) Step Drag Bit, MR BoxDB634SMRB125.6
7″ (178mm) Step Drag Bit, MR BoxDB700SMRB146.5
7 1/2″ (191mm) Step Drag Bit, MR BoxDB712SMRB146.5
7 7/8″ (200mm) Step Drag Bit, MR BoxDB778SMRB146.5
8 1/2″ (216mm) Step Drag Bit, MR BoxDB812SMRB167.4
8 3/4″ (222mm) Step Drag Bit, MR BoxDB834SMRB167.4
9″ (229mm) Step Drag Bit, MR BoxDB900SMRB167.4
9 1/2″ (241mm) Step Drag Bit, MR BoxDB912SMRB188.3
9 7/8″ (251mm) Step Drag Bit, MR BoxDB978SMRB188.3
10″ (254mm) Step Drag Bit, MR BoxDB1000SMRB188.3
2 3/8″ IF Box
4 3/4″ (121mm) Step Drag Bit, 2 3/8″ IF BoxDB434S238IFB104.6
5 1/4″ (133mm) Step Drag Bit, 2 3/8″ IF BoxDB514S238IFB104.6
5 1/2″ (140mm) Step Drag Bit, 2 3/8″ IF BoxDB512S238IFB125.6
5 5/8″ (130mm) Step Drag Bit, 2 3/8″ IF BoxDB558S238IFB125.6
5 7/8″ (149mm) Step Drag Bit, 2 3/8″ IF BoxDB578S238IFB125.6
6″ (152mm) Step Drag Bit, 2 3/8″ IF BoxDB600S238IFB125.6
6 1/8″ (156mm) Step Drag Bit, 2 3/8″ IF BoxDB618S238IFB125.6
6 1/4″ (159mm) Step Drag Bit, 2 3/8″ IF BoxDB614S238IFB125.6
6 1/2″ (165mm) Step Drag Bit, 2 3/8″ IF BoxDB612S238IFB126.5
6 3/4″ (172mm) Step Drag Bit, 2 3/8″ IF BoxDB634S238IFB125.6
7″ (178mm) Step Drag Bit, 2 3/8″ IF BoxDB700S238IFB146.5
7 1/2″ (191mm) Step Drag Bit, 2 3/8″ IF BoxDB712S238IFB146.5
7 7/8″ (200mm) Step Drag Bit, 2 3/8″ IF BoxDB778S238IFB146.5
8 1/2″ (216mm) Step Drag Bit, 2 3/8″ IF BoxDB812S238IFB167.4
8 3/4″ (222mm) Step Drag Bit, 2 3/8″ IF BoxDB834S238IFB167.4
9″ (229mm) Step Drag Bit, 2 3/8″ IF BoxDB900S238IFB167.4
9 1/2″ (241mm) Step Drag Bit, 2 3/8″ IF BoxDB912S238IFB188.3
9 7/8″ (251mm) Step Drag Bit, 2 3/8″ IF BoxDB978S238IFB188.3




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