Manufactured in the UK from high Cr/Ni Austenitic Stainless Steel. Our Race Spec Flanged Hex Head Bolts are measured from under the head. Our Race Spec range are drilled through the flats to allow for ease of lockwire. This range has a smalled flange diameter. Our Stainless Steel range is highly polished and provides a durable corrosion resistant upgrade to OEM fixings. Please use the filters in the left bar to locate the fastener of your chosen thread, length and pack size. You can find additional product dimensional information in the product 'Specifications' Tab.