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IADC Code: 645
Pin Connection: 6 5/8"API
Diameter: 18"(457mm)
Raw Material: H13
IADC: 735
Bit Diameter: 9 "(229mm)
IADC Code: 412
Pin Connection: 4 1/2"API
IADC Code: 732
Bit Diameter: 8 1/2”(216mm)
IADC Code: 635
IADC Code: 715
Bit Diameter: 250mm(9 7/8")
IADC Code: 137
IADC Code: 722
Bit Diameter: 280mm(11")
IADC: 647
Bit Diameter: 9 7/8”
Bit Diameter: 270mm(10 5/8")
IADC: 642
Bit Diameter: 196mm(7 7/10")
IADC Code: 845
Diameter: 18"(457mm)
Diameter: 17"(431mm)
Bit Diameter: 200mm(7 7/8")
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