6
- 5- 1/4" HEX x 4- 1/2" IF x 40' - In Stock
45 - 4- 1/4" HEX x 3- 1/2" IF x 40'
32 - 3- 1/2" HEX x 3- 1/2" IF x 40'
11 - 3- 1/2" Square x 3- 1/2" IF x 40'
62
- 4- 1/4" Square x 3- 1/2" IF x 40'
All In Shipping Scabbard With Mill Certificates, InterDril
InterDrill
kellys are made from 4145 modified alloy bars which
are quenched and tempered full length. A hardness
of 285 to 341 BHN and a minimum impact value of 40
ft. lbs. are maintained one inch below the surface
at room temperature. All ends and center drive sections
are machined. The kellys are precision-trepanned to
provide true bores.
They are drifted
to API specifications, and all connections are precision
machined and quality- assurance inspected. InterDril's
certificates include API Spec 7, API Spec 5CT, ISO
9002, Vam Ucensed, Amco Hardfacing licensed, Kawasaki
Fox licensed. |