-
Mpamatsy API fandavahana vatolampy lalina IADC537 9 5/8″(244.5mm)
-
API TCI bokotra bit IADC537 9 7/8″(250mm) ho an'ny fandavahana vato mafy
-
Bit Rotary Button IADC537 3 7/8″ (98mm)
-
Tricone Bits IADC537 4 5/8″ (118mm)
-
Tricone drill bits IADC537 4 3/4″ (120.6mm)
-
API tricone rock bit IADC537 5 1/4″ (133mm)
-
API rock drill bit IADC537 5 1/2 ” (139,7 mm) ho an'ny lavadrano mafy
-
Biby fanamoriana API IADC537 5 5/8″ (142.9mm)
-
Biby fandavahana tungstène carbide avo lenta IADC537 5 7/8″ (149mm)
-
Tricone rock bits IADC537 6 santimetatra (152.4 mm)
-
Rotary tricone bit IADC537 6 1/4 in (159 mm)
-
TCI tricone rock bits IADC537 6 3/4″ (171mm)