Square Head Bolt M12X1.75X 80 With One Hex Nut,One Thin Nut And One M12B Spring Washer. Provision Of Split Pin Hole 3.2Mm Dia At A Distance Of 12Mm From Threaded End Of The Bolt. Spec/Drg No- Bo T As Per Is:2585-2006 Hex Nut Is:1364;(Part-3)-2002-6 And Thin Nut As Per Is:1364 (Part-4)-2003-05, Spring Washer As Per Is:3063 -1994 Threaded Length Of The Bolt-70Mm. Finished- Parkerised. [ Warranty Period: 30 Months After The Date Of Delivery ] ]