Technical Information TopThread Widia API Thread Forms Insert Applications Chart for API Rotary Shouldered Connections thread form Widia insert too

Technical Information TopThread Widia API Thread Forms Insert Applications Chart for API Rotary Shouldered Connections thread form Widia insert tool joint application minimum box size cresting non-cresting V-.038R 2" TPF 4 TPI NDC-4038R/L2 4-E/IR4API382 ND-3038R/L 2-3/8 API internal flush 2-7/8 API internal flush 3-1/2 API internal flush 4 API internal flush 4-1/2 API internal flush 5-1/2 API internal flush 6-5/8 API internal flush 4 API full hole API 23, API 26, API 31, API 35, API 38, API 40, API 44, API 46, API 50 API 31 2-7/8 IF V-.038R 3" TPF 4 TPI NDC-4038R/L3 4-E/IR4API383 ND-3038R/L API 56 API 61 API 70 API 77 API 56 V-.050 2" TPF 4 TPI NDC-4050R/L2 4-E/IRAPI502 ND-4050R/L 5-1/2 API full hole 6-5/8 API regular 6-5/8 API fulfhole 5-1/2 API full hole V-.050 3" TPF 4 TPI NDC-4050R/L3 4-E/IR4API503 ND-4050R/L 5-1/2 API regular 7-5/8 API regular 8-5/8 API regular 5-1/2 API regular V-.040 3" TPF 5 TPI NDC-3040R/L3 NDC-4040R/L3 4-E/IR5API403 ND-3040R/L ND-4040R/L 2-3/8 API regular 2-7/8 API regular 3-1/2 API regular 4-1/2 API regular 3-1/2 API regular Minimum box size that can be threaded with a standard TopThread insert due to minimum bore equipment. API Thread Forms Product Thread Dimensions Rotary Shouldered Connections (Inch) thread thread height, truncated hn=hs root truncation Sfm=Srs fm=frs width of flat radius at thread corners r threadform taper inch per ft. height, not truncated H crest truncation fcn=fcs crest fcn=fcs crest fm=frs root radius rm=rrs pitch P .250 V-.038R 2 .216005 .121844 .038000 .056161 .065 .038 .015 V-.038R 3 .215379 .121381 .038000 .055998 .065 .038 .015 V-.040 3 .172303 .117842 .020000 .034461 .040 .020 .015 .250 V-.050 3 .215379 .147303 .025000 .043076 .050 .025 .015 V-.050 2 .216005 .147804 .025000 .043201 .050 .025 .015 .250 NOTE All dimensions in inches. V-.040 and V-.050 Product Thread Form Casing and Tubing Round Thread (Height Dimensions) thread element 10 TPI p= .1000 8 TPI p= .1250 H .866p .08660 .10825 Hs hn .626p - .007 .05560 .07125 Srs Sm .120p + .002 .01400 .01700 Scs Scn .120p + .005 .01700 .02000