etric socket head cap screws of high grade alley steel are: BS4168 Din 912 ISO 4762 BS6104 Grade 12.9 ISO 898/1 Grade 12.9 We stock a wide range of he
olts, Socket Head Cap Screws, Slotted Screws, Square Head Bolts, D Head Bolts, Round Head Bolts and more. Please contact us at Bolt & Nut Manufacturin