Feature:1. [SPECIFICATION] The kit includes 290pcs nylon lock nuts and washers, with M4 M5 M6 M8 M10 M12 model, sufficient in quantity.2. [304 STAINLESS STEEL] Made of excellent 304 stainless steel, with high toughness and good heat and cold resistance.3. [NYLON LOCK NUT] These hex lock nuts use nylon material inside, which has high mechanical strength and prevents thread loosening.4. [WIDE APPLICATION] Lock nuts are good parts for folding beds, cabinets, mining machines, electric hair clippers, motors, textile machines, etc.5. [STANDARD SIZES] These nuts and flat washers have standard sizes and are widely used in furniture, electronic repairs and DIY projects.Specification:Item Type: Nuts Washers Assortment SetWasher Model: M4; M5; M6; M8; M10; M12Product Standard: DIN125Product Material: 304 Stainless SteelWasher ModelThicknessInner DiameterOuter DiameterM40.8mm / 0.03in4.3mm / 0.17in9mm / 0.35inM51.0mm / 0.04in5.3mm / 0.21in10mm / 0.39inM61.6mm / 0.06in6.4mm / 0.25in12mm / 0.47inM81.6mm / 0.06in8.4mm / 0.33in16mm / 0.63inM102mm / 0.08in10.5mm / 0.41in20mm / 0.79inM122.5mm / 0.1in13mm / 0.51in24mm / 0.94inNylon Nut Model: M4; M5; M6; M8; M10; M12Product Standard: DIN985Product Material: 304 Stainless SteelNut ModelThread DiameterThread PitchNut HeightWrench CaliberM44mm / 0.16in0.7mm / 0.03in5mm / 0.2in7mm / 0.28inM55mm / 0.2in0.8mm / 0.03in5mm / 0.2in8mm / 0.31inM66mm / 0.24in1.0mm / 0.04in6mm / 0.24in10mm / 0.39inM88mm / 0.31in1.25mm / 0.05in8mm / 0.31in13mm / 0.51inM1010mm / 0.39in1.50mm / 0.06in10mm / 0.39in17mm / 0.67inM1212mm / 0.47in1.75mm / 0.07in12mm / 0.47in19mm / 0.75in.Package List:40 x M4 Washers35 x M5 Washers35 x M6 Washers20 x M8 Washers10 x M10 Washers5 x M12 Washers40 x M4 Nylon Nuts35 x M5 Nylon Nuts35 x M6 Nylon Nuts20 x M8 Nylon Nuts10 x M10 Nylon Nuts5 x M12 Nylon Nuts