| Do not attempt to remove, adjust or loosen the screws on the bottom brackets with spring tension still applied to fixture. These brackets are connected to the spring by the lift cable and are under extreme tension when the door is closed and can cause serious injury if accidentally or deliberately loosened or removed.
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 | Residential Bottom Bracket BB-100- 13 gauge; Milford Pin
- 5-11/16" high x 2-11/16 wide
- 1-1/4" side flange
$4.52 pr.
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 | Residential Bottom Bracket BB-3- 13 gauge; Milford Pin
- 6-1/2" high x 4" wide
- 1-7/16" side flange
$9.50 pr.
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 | Residential Bottom Bracket SRBB-50- Removable roller carrier
- 13 gauge; Milford Pin
- 5-1/4" high x 2-3/4" wide
- 1.3" side flange
- Fasteners & nylon roller pictured are not included.
$6.50 pr.
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 | Residential Bottom Bracket RBB-75
- 13 Gauge; Milford Pin
- 7-1/8" high x 3-1/8" wide
- 1-1/4" side flange
$5.65 pr. |
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 | BB-6 Commercial Bottom Bracket - 2" Track
- 11 Gauge; Drilled Pin
- 10-7/8" high x 4-5/8" wide
- 1-5/8" side, with bottom flange
$20.88 pr. |
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 | BB-6 Commercial Bottom Bracket - 3" track
- 11 Gauge; Drilled Pin
- 10-7/8" high x 4-5/8" wide
- 1-5/8" side, with bottom flange
$37.55 pr. |
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 | BB-5 Outside Hookup Bottom Bracket BB-5- 11 gauge; Drilled Pin
- 6-1/2" high x 3-1/4 wide
- For 2" track.
$11.45 pr.
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 | Sure-Stop Bottom Bracket - 2" Track
- Holds door in event of cable failure
- Handles doors up to 1300 lbs.
- Recommended for doors over 70 lbs open door weight.
- Add 4" to cable length when using this device.
- Instructions included.
$137.45 pr. |
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| Sure-Stop Bottom Bracket - 3" Track
- Holds door in event of cable failure
- Handles doors up to 1650 lbs.
- Recommended for doors over 100 lbs open door weight.
- Add 5" to cable length when using this device.
- Instructions included.
$220.45 pr. |
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 | Cable Keeper
- Prevents cable from jumping off drum.
- Installs over roller shaft on bottom fixture.
$2.40 pr. |
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