Single Upset Spool Bolts Double Upset Spool Bolts
Used with spool insulators ANSI-53-2 ; ANSI standard C135.31
Hot Dip Galvanized Steel per ASTM A123/A153 CSA G164
US Units
Catalog No.
Bolt Dia.
Shank Length
Overall Length
Thread Length
Approx. Ship Wt. Per Each (lbs)
inch
inch
inch
inch
Single Upset
SPBS5808
5/8
8
12 3/4
4
1.4
SPBS5809
9
13-3/4
4
1.5
SPBS5810
10
14-3/4
4
1.6
SPBS5812
12
16-3/4
6
1.7
SPBS5814
14
18-3/4
6
1.8
SPBS5816
16
20 3/4
6
1.9
SPBS5818
18
22 3/4
6
2.0
SPBS5820
20
24 3/4
6
2.1
Double Upset
SPBD5808
5/8
8
13 3/4
4
1.66
SPBD5809
9
14 3/4
4
1.62
SPBD5810
10
15 3/4
4
1.68
SPBD5812
12
17 3/4
6
1.86
SPBD5814
14
19 3/4
6
2.04
SPBD5816
16
21 3/4
6
2.09