Patent ID: 8033330

Claim:
A downhole tool string component, comprising: a tubular body including an inner surface, and an outer surface; an external threadform disposed on said outer surface, said threadform having a first plurality of threads; at least one sleeve having a first end face and a second end face, said second end face spaced apart from said first end face, said sleeve disposed about said outer surface; a shoulder extending from said tubular body and adapted to contact said first end face; and a loading member disposed about said outer surface, said loading member having a first end adapted to contact said second end face of said sleeve, a second end adapted to form a component shoulder for connection to an adjacent tool string component, and an internal threadform having a second plurality of threads adapted to engage said first plurality of threads; wherein at least one of said first plurality of threads and said second plurality of threads includes a distal thread proximate said second end having a first thread height and a proximal thread proximate said sleeve having a second thread height, said first thread height being greater than said second thread height.