Benoit Machine, Inc.

ECHO-F4

		PLAIN				CONN.	CONN.	MAKE-UP TORQUE			TENSILE	INTERNAL	COLLAPSE	STRING	CONN.
SIZE	WT/FT	END	WALL	DRIFT	CONN.	I.D.	I.D.	(FT/LBS)			YIELD	PRESSURE YIELD	PRESSURE YIELD	LENGTH	TENSILE
		WEIGHT			O.D.	BOX.	PIN *	MIN.	OPT.	MAX.	(LBS)	(PSI)	(PSI)	(S.F.=1.6)	EFF.

2 3/8"	4.70	4.43	.190	1.901	2.375	1.941 - 1.995	1.941*	444	500	625	50,400	10,640	11,180	7,110	40.7%
2 7/8"	6.50	6.16	.217	2.347	2.875	2.387 - 2.441	2.387*	711	800	1000	71,200	10,040	10,350	7,224	41.4%
2 7/8"	7.90	7.66	.276	2.229	2.875	2.294 - 2.323	2.294*	800	900	1125	111,500	12,770	13,190	9,097	52.1%
2 7/8"	8.70	8.44	.308	2.165	2.875	2.230 - 2.259	2.230*	888	1000	1250	124,100	14,250	14,540	9,189	52.6%
3 1/2"	9.30	8.81	.254	2.867	3.500	2.932 - 2.992	2.932*	1066	1200	1500	127,400	9,660	9,660	9,038	51.8%
3 1/2"	10.30	9.91	.289	2.797	3.500	2.862 - 2.922	2.862*	1244	1400	1750	138,400	10,980	11,510	8,728	50.0%
3 1/2"	12.95	12.52	.375	2.625	3.500	2.690 - 2.750	2.690*	1600	1800	2250	219,600	14,250	14,540	10,962	62.8%
3 1/2"	15.80	15.37	.476	2.423	3.500	2.488 - 2.548	2.488*	1866	2100	2625	265,900	18,090	17,870	10,812	61.9%
4 1/2"	11.60	11.35	.250	3.875	4.500	3.940 - 4.000	3.940*	1688	1900	2375	164,200	7,390	5,620	9,041	51.8%
4 1/2"	15.10	14.98	.337	3.701	4.500	3.766 - 3.826	3.766*	2666	3000	3750	220,200	9,960	10,210	9,187	52.6%
5"	15.00	14.87	.296	4.283	5.000	4.348 - 4.408	4.348*	2666	3000	3750	218,100	7,870	6,470	9,166	52.5%
5 1/2"	17.00	16.87	.304	4.767	5.500	4.832 - 4.892	4.832*	3200	3600	4500	247,500	7,350	5,550	9,169	52.5%

* - SWAGED & BORED

This technical data is for general information only. Although every effort has been made to ensure accuracy, Benoit makes no warranty for any loss or damages due to its use.