Cite
HARVARD Citation
Institution,, B. (1998) Bolts, reduced bihexagonal head, normal or pitch diameter shank, long length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1275 MPa. Dimensions.. [Online]. London : British Standards Institution. Available from: http://access.bl.uk/ark:/81055/vdc_100104851790.0x000001