Thread Size: M12 x 1.25. Part Number: 750333. 10520, 10540, 6421, 6441, 7421, 7441, 7520, 7540, 8421, 8520, 8540, 8621, 8641, 9520, 9540, 9621, 9641, Forterra 8641, Forterra 9641, Proxima 6421, Proxima 6441, Proxima 7421, Proxima 7441, Proxima 8421.
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