GLF supply a full range of screws, bolts and nuts according to ASTM A193 B7, B7M, B8 and ASTM A320 L7 and B8M, L7M, B8, B8M specification. Distribution is throughout the country and worldwide. Watch here the technical charts of screws A193 B7, A320 L7 and B7M, L7M.
On 17.01.2008 the company TUV Italy Srl has completed the review of the practices of certification results positivo.Il reference number is 50 100 7404.