Plain Spiral Drill Collar, Packaging Type : Black

slick/spiral drill collar is produced by aisi 4145h modified quenched and tempered steel as api specification and implementation of sy / t5144 standard, which can be cold thread rolling, copper or phosphate processing, machine special double shoulder thread and other specifications.   slick/spiral drill collarfeatures & benefits: pressed steel thread protectors are supplied for drill collar; stress relief groove & bore back box applied if needed; hardbanding material arnco 100xt,arnco 300xt,tcs8000 applied if needed; slip and elevator recess are machined in accordance with