CODE	L-MIN	THREAD D	D1	D2	D3	NO. OF LINKS	TYPE
SCA IMR	670	M 16X2	M18X2.5	M18X2.5	10	3+2	A
SCA IMT 539HD	525	M20X2.5	23	M12-75	12	1+1	B

CODE	L-MIN	THREAD D	D1	D2	D3	NO. OF LINKS	TYPE
SCA IMT 542HD	685	M20X1.5	23	23	12	3+0	B
SCA IMT 558HD	735	M20X1.5	23	23	12	4+0	A

CODE	L-MIN	THREAD D	D1	D2	D3	NO. OF LINKS	TYPE
SCA 490461/462A	750	3/4" UNC	19	19.5	16	0+1	A
SCA 490461/462	845	3/4" UNC	19	19.5	16	0+3	A
SCA 1482800	605	5/8" UNC	23	19.5	-	N/A	B
SCA 489349/50B	860	3/4" UNC	19	16	16	0+5	C