JIS B11801.25 Course Thread Pitch12mm Across the flats wrench sizeMaster Assortment Kits are Available. Click Here.Click Here for Technical Data SheetM8 Hex Cap Screw, JIS$9.25PriceLengthSelectAvailable MaterialSelectQuantity25 pcsQuantityAdd to cartAvailable Materials 8.8 Steel 4.6 Steel Available Finish Zinc