JIS B11801.25 Fine Thread Pitch17mm across the flats wrench sizeMaster Assortment Kits are Available. Click Here.Click Here for Technical Data SheetM12 Hex Cap Screw, JIS$14.10PriceLengthSelectAvailable Material8.8 Steel ZincQuantity25 pcsQuantityAdd to cartAvailable Materials 8.8 Steel Available Finish Zinc