hotline：86-0571-88115720
hotline：86-0571-88115720
Usually set release bolt approximate 1/2"length extension , user can be proper to adjust the length extension in case of special space.
Place backup wrench on operated Nut , rotates Backup Wrench in counter-clockwise side until ?release bolt is impossible to close the reaction points after rotation， user also can run release bolt a little out to make it to touch reaction points，after finishing torque operation by hydraulic torque wrench，please loose release bolt with a manual wrench (or other similar wrench)，then take backup wrench off and proceed to next operated nut.
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The BW-series magnetic backup wrenches simplest way to stop a nut rotation.
Easy to use and versatile
Wide range of metric and imperial sizes available
Nut Across Flat Range
30 mm - 145 mm
1 1/4" -5 3/4"
| Model |
Across Flat (mm) |
Across (in) |
Load Limits (Ft.lbs) |
Load Limits (M.m) |
| BW104 | 30 | 1-1/4" | 2400 | 3254 |
| BW107 | 36 | 1-7/16" | 2500 | 3390 |
| BW110 | 41 | 1-5/8" | 3500 | 4745 |
| BW113 | 46 | 1-13/16" | 3500 | 4745 |
| BW200 | 50 | 2" | 4100 | 5559 |
| BW203 | 55 | 2-3/16 | 4200 | 5694 |
| BW204 | 57 | 2-1/4" | 4300 | 5830 |
| BW206 | 60 | 2-3/8" | 4300 | 5830 |
| BW209 | 65 | 2-9/16" | 4550 | 6169 |
| BW212 | 70 | 2-3/4" | 5600 | 7592 |
| BW215 | 75 | 2-15/16" | 6300 | 8542 |
| BW302 | 80 | 3-1/8" | 7000 | 9491 |
| BW308 | 85 | 3-1/2" | 7200 | 9762 |
| BW311 | 90 | 3-11/16" | 7300 | 9897 |
| BW314 | 95 | 3-7/8" | 9000 | 12202 |
| BW400 | 100 | 4" | 24000 | 32539 |
| BW402 | 105 | 4-1/8" | 24000 | 32539 |
| BW404 | 110 |
4-1/4" |
24000 |
32539 |
| BW408 | 115 |
4-1/2" |
25000 | 36607 |
| BW410 | 120 |
4-5/8" |
27000 | 36607 |
| BW500 | 130 | 5" |
27000 |
36607 |
| BW506 | 135 | 5-3/8" |
27000 |
36607 |
|
BW512 |
145 | 5-3/4" | 28000 | 37962 |
- MAGNETS EMBEDDE D?
caeates a magnetic field and force that attracts on other ferromagnetic materials.
- BI-HEXAGONAL DESIG H?
provides the ultimate mixture of versatility and durability.
- HIGH STRENGTH
heat treated material heavy duty.
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