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BW Series Backup Wrenches

BW Series Backup Wrenches

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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Product characteristics

The BW-series magnetic backup wrenches simplest way to stop a nut rotation.
Easy to use and versatile

Operation manual

Click download

Specifications

Download parameter table

Product selection form

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

technical data

- 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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