300 Series Flanges

Pipe Diameter	# of Studs	Stud Diameter	Stud Length	Nut Size
1″	4	5/8″	3″	1-1/16″
2″	8	5/8″	3-1/2″	1-1/16″
3″	8	3/4″	4-1/4″	1-1/4″
4″	8	3/4″	4-3/4″	1-1/4″
6″	12	3/4″	4-3/4″	1-1/4″
8″	12	7/8″	5-1/2″	1-7/16″
10″	16	1″	6-1/4″	1-5/8″
12″	16	1-1/8″	6-3/4″	1-13/16″
14″	20	1-1/4″	7″	1-13/16″
16″	20	1-1/4″	7-1/2″	2″
18″	24	1-1/4″	7-3/4″	2″
20″	24	1-1/4″	8″	2″
24″	24	1-1/2″	9″	2-3/8″
26″	28	1-5/8″	9-3/4″	2-9/16″
28″	28	1-5/8″	10-1/2″	2-9/16″
30″	28	1-3/4″	11″	2-3/4″
32″	28	1-7/8″	11-3/4″	2-15/16″
34″	28	1-7/8″	12″	2-15/16″
36″	32	2″	12-1/2″	3-1/8″
38″	32	1-1/2″	11-3/4″	2-3/8″
40″	32	1-5/8″	12-1/2″	2-9/16″
42″	32	1-5/8″	13″	2-9/16″
44″	32	1-3/4″	13-1/2″	2-3/4″
46″	28	1-7/8″	14-1/4″	2-15/16″
48″	32	1-7/8″	14-1/2″	2-15/16″
50″	32	2″	15-1/4″	3-1/8″
52″	32	2″	15-3/4″	3-1/8″
54″	28	2-1/4″	16-3/4″	3-1/2″
56″	28	2-1/4″	17″	3-1/2″