Spool bolts are produced to provide extra clearance between insulators and poles, also used with spool insulators in rural secondary construction.
Each bolt is assembled with 2 square nuts, MF type locknut, round washer and cotter pin.
There are usually have 2 types of spool bolts: single spool bolts and double spool bolts.
Bolts are produced in forged carbon steel SAE 1045, hot dip galvanized to ASTM A-153, tested according to Standard ANSI C-135.31.
Specification
Customized sizes are available at request, please consult us for further information. |
HE Code | Dimensions | Type | Wt. | |||
Overall length | Shank length | Thread length | Bolt Dia. | kg | ||
SBS5/8-8 | 12 3/4″ | 8″ | 4″ | 5/8″ | Single | 0.626 |
SBS5/8-9 | 13 3/4″ | 9″ | 4″ | 5/8″ | Single | 0.653 |
SBS5/8-10 | 14 1/2″ | 10″ | 4″ | 5/8″ | Single | 0.757 |
SBS5/8-12 | 16 1/2″ | 12″ | 6″ | 5/8″ | Single | 0.821 |
SBS5/8-14 | 18 3/4″ | 14″ | 6″ | 5/8″ | Single | 0.889 |
SBD5/8-8 | 14″ | 8″ | 4″ | 5/8″ | Double | 0.753 |
SBD5/8-9 | 15″ | 9″ | 4″ | 5/8″ | Double | 0.735 |
SBD5/8-10 | 16″ | 10″ | 4″ | 5/8″ | Double | 0.862 |
SBD5/8-12 | 18″ | 12″ | 6″ | 5/8″ | Double | 0.898 |
SBD5/8-14 | 20″ | 14″ | 6″ | 5/8″ | Double | 0.925 |
Product DetailsScope of supplying


We manufacture electrical pole line hardware galvanized with high quality in order to meet the specific needs of our customers while maintaining a leadership strategy that will guarantee profitability to the company and benefits to customers, partners,
employees, community.

