Name: 6-1/2″ New Button Bit with 3-1/2 API Regular Pin and a Sealed Bearing (IADC Code: 525)
SKU: TB61/2525

2-15/16″ New Steel Tooth Bit with a 4 Thread N-Rod Pin (IADC Code: 321)

4-3/4″ New Button Bit with 2-7/8 API Regular Pin (IADC Code: 522)