Model: spool bolt
Material: steel hot dip galvanized
Port: Shanghai
Application: 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.
| 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 picture:
Packing:
Company profile
Shanghai Herrajes Industry Co., Ltd is an ISO certificated company that specializes in the manufacture and export of galvanized pole line hardware for electrical transmission lines that comply with the norms and standards required. We have the most sophisticated and modern technology in the field of electrical products, also have qualified professionals offering benefits to customers, quality and super competitive prices in the market.
Our goal is to establish a mutually beneficial belationship with our customers, and our products offering contain a full service to ensure the complete satisfaction to the parties concerned, regarding the desired supply, quotation, and delivery.
Total quality and superior services and products offered by Shanghai Herrajes become decisive factors to our success.
So far, in our plant of 4000m2, we have a stable team of 48 staff, with 28 grand machines. We expect a stable growth day by day.
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