Grade 88 studs, bolts or screws are developed in line with the ASTM F568 and ISO : 898 Specifications. Also called ASTM F568 Grade 8.8 Bolts, class 8.8 bolts, metric class 8.8 and class 8.8 steel; these studs are manufactured from medium carbon boron steel in quenched & tempered condition. The buyers can avail these studs in sizes, ranging from M1.6 up to M72 and minimum tensile strength of 830 Mpa. These studs undergo tests, like mechanical, impact, tension and hardness. The Grade 88 studs are applicable in oil, chemical, petrochemical and other industries.
Black oxide treated 8.8 Studs are used in building construction and machine manufacturing jobs. Designed as per DIN or ISO specifications, these accessories can be availed with fine or coarse threading. Featured with hexagonal bolt design, these accessories are offered in custom made specifications. Latest CNC technology has been followed to design such studs. Standard of these accessories has been verified on the basis of their strength, design precision, strength, resistant attributes and longevity. Provided accessories are oxidation proof and these require minimal maintenance charge. Compact in shape, these accessories have accurate diameter, standard density, long lasting surface finish and light weight.