Thread butt joint spear is a specialized fishing tool , it can salvage the fish with box upper
connection.
Product performance standards：SY/T5069-2000
Type
(operational process)：
When the weight indicator fallback, stop rotating and getting down. Raises slowly, if the hang
weight more than the original weight of fishing string, Showing that has already catch the fish,
we can continue to raise。
the type and main parameter
|
type |
connection |
Salvage thread |
KN Max. load |
|
WLM-80*48 |
2 3/8TBG |
1.900TBG |
300 |
|
WLM-86*60 |
2 3/8TBG、Nc26 |
2 3/8TBG、Nc26 |
320 |
|
WLM-95*73 |
2 7/8TBG、Nc31、2 7/8REG |
2 7/8TBG、Nc31、2 7/8REG |
410 |
|
WLM-105*89 |
2 7/8TBG、Nc31 |
3 1/2TBG、Nc38 |
450 |
|
WLM-108*102 |
Nc31 |
4TBG、Nc46 |
450 |
|
WLM-121*114 |
Nc31、Nc38 |
4 1/2TBG、Nc38 |
480 |
|
WLM-152*114 |
Nc31、Nc46 |
Nc46 |
500 |
|
WLM-159*127 |
Nc50 |
Nc50 |
560 |
|
WLM-178*140 |
5 1/2FH |
5 1/2FH |
700 |
|
WLM-203*168 |
Nc50 |
6 5/8REG |
800 |
|
WLM-229*194 |
Nc50 |
7 5/8REG |
800 |
