BP1: 50x Bolts, 50x Nuts, 50x Washers. Material: PA 66 / Nylon. Type: Socket Head Bolts. Length: 20mm. Diameter: 4mm. Pitch: 0.7mm. SKU: 580.. BP2: Made from tough, lightweight nylon, these fasteners offer excellent electrical insulating and non-corrosive properties. BP3: Nylon is exceptionally strong and exhibits high tensile strength, as well as high wear and impact resistance.. BP4: Nylon is resistant to most organic solvents, fuels, oils, weak acids and bases.. BP5: Hex key fastening allows for higher torque and secure fastening under load.. || PRODUCT DESCRIPTION SUMMARY: Nylon has a very low coefficient of friction, making it popular for applications where wear resistance is required, such as fasteners and cable ties. It is one of the most widely used plastics in the world, with all grades retaining high strength and offering exceptional wear resistance. It has corrosion, chemical and electrical resistance. Tough and lightweight, Nylon Hex Bolt fasteners offer excellent electrical insulation properties and are non-corrosive and non-magnetic. An alternative 50% glass filled nylon version is also available.. || Please see the technical image illustration for size references. All measurements are in millimetres/millimeters. || Product Details: Size_Ref: M4 x 20mm. Colour_Ref: Natural. Material_Ref: Nylon / Polyamide 66. Type_Ref: Socket Head Bolts. Quantity_Ref: 50. || Dimensions (L x W x D mm): 20 x 4 x 4. || Additional Specifications: Pitch_MM: 0.7. Washer_Dimension: Stock Code: CR06623PA66Material: Polyamide66Material Reference: PA66/W0Head/Drive Type: Flat washersize: M4W0 A: 8.82 mmW0 B: 4.39 mmW0 T: 0.8 mm Nut_Dimension: Stock Code: CR06436 PA66Material: Polyamide66Material Reference: PA66/HNHead/Drive Type: Hexagon Nutsize: M4N (mm): M4HN B: 6.89 mmHN H: 3.05 mm Bolt_Dimension: Stock Code: CR01911PA66Socket Hex Head Boltsize: M4 x 20D: 4 mmPitch: 0.7 mmL: 20 mmHD: 7.0 mmHH: 3.91 mmHS: 3.05 mm