_API_Spec_7-1-2006_2021.pdf

Specification for Rotary Drill Stem ElementsANSI/API SPECIFICATION 7-1FIRST EDITION,MARCH 2006API MONOGRAM PROGRAM EFFECTIVE DATE:SEPTEMBER 2006ADDENDUM 1,MARCH 2007ADDENDUM 2,AUGUST 2009(API MONOGRAM PROGRAM EFFECTIVE DATE:FEBRUARY 1,2010)ADDENDUM 3,APRIL 2011(API MONOGRAM PROGRAM EFFECTIVE DATE:OCTOBER 1,2011)ADDENDUM 4,FEBRUARY 2019(API MONOGRAM PROGRAM EFFECTIVE DATE:AUGUST 1,2019)ERRATA 1,JULY 2020ISO 10424-1:2004(Modified),Petroleum and natural gas industriesRotary drilling equipmentPart 1:Rotary drill stem elementsREAFFIRMED,JANUARY 2021Special NotesAPI publications necessarily address problems of a general nature.With respect to particular circumstances,local,state,and federal laws and regulations should be reviewed.Neither API nor any of APIs employees,subcontractors,consultants,committees,or other assignees make anywarranty or representation,either express or implied,with respect to the accuracy,completeness,or usefulness of theinformation contained herein,or assume any liability or responsibility for any use,or the results of such use,of anyinformation or process disclosed in this publication.Neither API nor any of APIs employees,subcontractors,consultants,or other assignees represent that use of this publication would not infringe upon privately owned rights.Classified areas may vary depending on the location,conditions,equipment,and substances involved in any givensituation.Users of this standard should consult with the appropriate authorities having jurisdiction.Users of this standard should not rely exclusively on the information contained in this document.Sound business,scientific,engineering,and safety judgment should be used in employing the information contained herein.API is not undertaking to meet the duties of employers,manufacturers,or suppliers to warn and properly train andequip their employees,and others exposed,concerning health and safety risks and precautions,nor undertaking theirobligations to comply with authorities having jurisdiction.Information concerning safety and health risks and proper precautions with respect to particular materials andconditions should be obtained from the employer,the manufacturer or supplier of that material,or the material safetydata sheet.API publications may be used by anyone desiring to do so.Every effort has been made by the Institute to assure theaccuracy and reliability of the data contained in them;however,the Institute makes no representation,warranty,orguarantee in connection with this publication and hereby expressly disclaims any liability or responsibility for loss ordamage resulting from its use or for the violation of any authorities having jurisdiction with which this publication mayconflict.API publications are published to facilitate the broad availability of proven,sound engineering and operatingpractices.These publications are not intended to obviate the need for applying sound engineering judgmentregarding when and where these publications should be utilized.The formulation and publication of API publicationsis not intended in any way to inhibit anyone from using any other practices.Any manufacturer marking equipment or materials in conformance with the marking requirements of an APIstandard is solely responsible for complying with all the applicable requirements of that standard.API does notrepresent,warrant,or guarantee that such products do in fact conform to the applicable API standard.All rights reserved.No part of this work may be reproduced,translated,stored in a retrieval system,or transmitted by any means,electronic,mechanical,photocopying,recording,or otherwise,without prior written permission from the publisher.Contact the Publisher,API Publishing Services,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001.Copyright 2006 American Petroleum InstituteAPI ForewordNothing contained in any API publication is to be construed as granting any right,by implication or otherwise,for themanufacture,sale,or use of any method,apparatus,or product covered by letters patent.Neither should anythingcontained in the publication be construed as insuring anyone against liability for infringement of letters patent.The verbal forms used to express the provisions in this standard are as follows:the term“shall”denotes a minimum requirement in order to conform to the standard;the term“should”denotes a recommendation or that which is advised but not required in order to conform to thestandard;the term“may”is used to express permission or a provision that is optional;andthe term“can”is used to express possibility or capability.Informative elements:As used in a standard,informative denotes elements that:identify the document,introduce itscontent and explain its background,development,and its relationship with other documents;or provide additionalinformation intended to assist the understanding or use of the document.Normative elements:As used in a standard,normative denotes elements that describe the scope of the document,and which set ou