M4 - M12 Allen Flat Head Socket Cap Screws bolts Left Hand Thread Material: Grade: 10.9 Alloy Steel Threaded: M4x0.7mm(Pitch), M5x0.8mm(Pitch), M6x1mm(Pitch), M8x1.25mm(Pitch), M10x1.5mm(Pitch), M12x1.75mm(Pitch) L : 10mm to 40mm The length is overall length You can select the size "Buy it now". Please check out our store for other size,If there is anything you need, do not hesitate to contact us. There are a variety of sizes available but they are not all listed.
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