Procurement Of M24 Dia Hexagonal Head Hsfg Bolts Ofclass 8.8 As Is 3757-1985 With Hsfg Nut,Class 8.0 As Is 6623, One Plain Washer As Is 6649 And One Dti Washer, As Per Is Bs En 14399-9 With Length 90Mm, 100Mm, 140Mm,105Mm, 150Mm..As Sub Contract Basis For Works Contract At Howrah Works / Howrah Works Sub Contract Basis For Works Contract At Howrah Works 24 Diameter Hexagonal Headed Hsfg Bolts (Category 8.8, Standard 3757:1985), Hsfg Nuts (Category 8.0, Standard 6623), One Plain Washer (Standard Washer) (Standard 6649) And Purchase Of A Dti Washer (As Per Is Bs En 14399-9). Length Should Be 90Mm, 100Mm, 140Mm, 105Mm And 150Mm