First, an overview: 
 Variety of selection criteria for the standard type number GB, DIN brand Atheros Model M6-M16 mushroom head type slotless geometries for a variety of material grade selected mode of action of the product grade 8.8,12.9 hand tighten the application of Machinery Industry 
 Second, the detailed description: 
 Variety of selection criteria for the standard type number GB, DIN 
 Atheros brand Model M6-M16 
 Mushroom head type groove no groove 
 Materials for a variety of grade levels 8.8,12.9 selected product 
 Mode of application of mechanical hand screw fasteners for industrial use 
 Nominal thread length a variety of specifications (mm) 
 Variety of nominal diameter (mm) screws alias 
 Types of screws 
 Introduction 
 Product Standard: GB, DIN 
 Product Grade: 4.8,6.8,8.8 
 Material: Carbon steel, stainless steel 
 Products: carriage bolt, T-bolt M6-M20, M6-M24 nut, M6-M24 brain levels of brain concave bolts, stainless steel, mirror pipe etc. 


 [ASME] American standard half round head carriage bolts ASME18.5-2008 
 Bolts, external thread, orthodontics, UNC, round, square neck, 


 [ISO] round head square neck thick rod bolts standard ISO8677-1986 international 
 Cup head square neck bolts with large head 
 Bolts, external thread, orthodontics, metric thread, round, square neck, 


 [ISO] round head square neck thick rod bolts standard ISO8678-1988 international 
 Cup head square neck bolts with small head and short neck 
 Bolts, external thread, orthodontics, metric thread, round, square neck, 


 [DIN] round head square neck bolts German standard DIN603-1981 
 Mushroom head square neck bolts 
 Bolts, external thread, orthodontics, metric thread, round, square neck,