1/4-20 Hexagon Bolt Kit: BNUOK 1/4-20 x 1-3/4 Inch bolts with Lock Nuts,Flat & Lock Washers Head Diameter,with bright finish,clean & smooth thread and no burrs,This 1/4 x 20 Hexagon bolts makes your project look more professional which are favoured for heavy-duty fastening applications. 304 Stainless Steel:This lock nuts and bolts, washers are 100% made of high quality 304 stainless steel, which has superior anti-rust and abrasion resistance.Bolts hex head is not easy to strip,better torque transmission but also more stable performance,the lock nuts with nylon insert design which resist loosening when subjected to vibration or torque Details:Thread Diameter: 1/4"; Thread Pitch: 1/20"; Screw Length: 1-3/4". Head Diameter: 0.437",Meet ASME B 18.2.1 specifications. Widely Use:This stainless steel 1/4 hex bolt sets are fit for precision mechanical and industrial applications,household appliances,engines,automotive part,motorcycle accessories repairs and small repairs such as door handles,lamps,locks. Quantity & Size: You will get 48 Sets 1/4-20 x 1-3/4 Inch bolts,SAE bolt nut kit provide 1:1:1 matching combination,each Bolts matching a lock nut ,Flat & Lock washers,Please connect us,if any problem. BNUOK (48 Sets) 1/4-20 x 1-3/4" Hex Head Screw Bolt,Lock Nuts,Flat & Lock Washers Kits,304 Stainless Steel 18-8,Fully Threaded