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

6-3/4″ New Button Bit with 3-1/2 API Regular Pin and a Sealed Bearing (IADC Code: 515)

9-7/8″ New Button Bit with 6-5/8 API Regular Pin (IADC Code: 517)