Modelo

Aplicación

Torque

Recorrido de alimentación

Descenso

Extracción

B-31

Barrena, hormigón, testigos de asfalto

3.700 pies-lbs
(511 kg-m)

68 pulg
(1.727 mm)

9.000 lbs
(4.082 kg)

12.000 lbs
(5.443 kg)

B-47 HD

Barrena, rotatorio

5.000 pies-lbs
(691 kg-m)

68 pulg
(1,727 mm)

10.600 lbs
(4,808 kg)

14.100 lbs
(6,396 kg)

B-53 Explorer

Barrena, rotatorio

5.955 pies-lbs
(823 kg-m)

78 pulg
(1.981 mm)

18.850 lbs
(8.550 kg)

14.140 lbs
(6.414 kg)

B-58

Barrena profunda, rotatorio, hincado

13.500 pies-lbs
(1.866 kg-m)

68 pulg
(1.727 mm)

20.000 lbs
(9.072 kg)

28.500 lbs
(12.927 kg)

B-3300

Auger, rotary, asphalt coring

2,800 pies-lbs
(387 kg-m)

72 ó 144 pulg
(1.829 or 3.658 mm)

11.000 lbs
(4.990 kg)

11.000 lbs
(4.990 kg)

B-3500

Auger, rotary, direct push

2.800 pies-lbs
(387 kg-m)

72 ó 144 pulg
(1.829 or 3.658 mm)

11.000 lbs
(4.990 kg)

11.000 lbs
(4.990 kg)

Minuteman

Perforación somera con barrena

350 pies-lbs
(48 kg-m)

44 pulg
(1.118 mm)

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