Production NameDin 985 lock nut TypeLocknut MaterialCarbon steel SizeM1-M50 Grade4.8/8.8/10.9/12.9 Head TypeHexagon head Surface TreatmentBlack/galvanized ColourNature colour/zinc plated StandardDIN 985 BrandCF FAQ Q1. What is your main products? A1: Our main products are fasteners and hardware parts: bolts, screws, rods, nuts, washers,anchors,rivets in steel and stainless steel etc. Q2. How long is your delivery time? A2: Our delivery time is generally 15 to 30 days, according to the quantity of order. Q3. Can you provide a sample? A3: Yes, we can provide free sample.Locknut suppliers website:http://www.cf-fasteners.com/nut/locknut/