Modern Tremolos
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BG-1013A
Technical drawingBG-1013A

Description
BG-1013A 6-string vintage six-screw tremolo bridge with brass sustain block, keyhole saddles, and tremolo arm socket.
Tremolo bridge specs
- String count 6-string
- String spacing 10.8 mm (0.425 in)
- String spread 54 mm (2.126 in)
- Plate width 83.2 mm (3.276 in)
- Plate depth 40.3 mm (1.587 in)
- Mount hole spacing 52.5 mm (2.067 in)
- Mount pattern Plate and spacing per BG-1013 family drawing; six-screw mount layout per product photo.
- Saddle material Zinc alloy / brass (standard)
- Saddle diameter 10.8 mm (0.425 in)
- Hole diameter φ5.5 mm (0.217 in)
- Sustain block width 63.2 mm (2.488 in)
Hardware
- Sustain block height 39.4 mm (1.551 in)
- Adjustment Height and intonation screws
- Finish More colors — see matching swatches
Features
- Six-screw vintage front mount
- Solid brass sustain block
- Keyhole block saddles
About measurements
- String spacing
-
10.8 mm (0.425 in)
Center-to-center distance between adjacent strings at the bridge.
- Mount hole spacing
-
52.5 mm (2.067 in)
Center-to-center distance between mounting holes on the bridge plate.
- Sustain block
-
39.4 mm (1.551 in) block height; 63.2 mm (2.488 in) block width
Tremolo block depth sets spring tension range; verify against body cavity depth.