On 1/2" dia Whitworth and BSF bolts the correct across the flat size is 0.820" as used on many classis cars and bikes,great machining quality so can be turned to make many parts,Rocker cover bolts for Austin Healeys,MG, as a example and if polished comes up to a good shine.
Standard Sizes
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180mm
|
0.50kg
|
£10.70 | In Stock | |
|
240mm
|
0.70kg
|
£15.70 | In Stock | |
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250mm
|
0.73kg
|
£18.21 | In Stock | |
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500mm
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1.45kg
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£28.81 | In Stock | |