50x Black Nylon Countersunk Cross Head Machine Screws M4 x 20 mm, Nuts & Washers

BP1: Pack of 50: M4 x 20 mm countersunk machine screws in black nylon PA66, with 50 nuts and 50 washers; product code 599. BP2: Thread and head: metric thread with 0.7 mm pitch; countersunk head 8.2 mm across and 2.7 mm high. BP3: Electrically insulating and non-magnetic: for fixings in electrical cabinets, control boxes and electronics enclosures. BP4: Lightweight nylon that does not rust: resists most organic solvents, fuels, oils and weak bases. BP5: Cross recess for a cross-head screwdriver; the countersunk head sits flush with the surface in a countersunk hole; also called cross-recessed countersunk screws, flat head screws or plastic screws. || PRODUCT DESCRIPTION SUMMARY: Pack of 50: M4 x 20 mm countersunk machine screws in black nylon PA66, with 50 nuts and 50 washers. Thread and head: metric thread with 0.7 mm pitch; countersunk head 8.2 mm across and 2.7 mm high. Electrically insulating and non-magnetic: for fixings in electrical cabinets, control boxes and electronics enclosures. Lightweight nylon that does not rust: resists most organic solvents, fuels, oils and weak bases. Nylon PA66 is strong and tough, with high tensile strength and good wear and impact resistance. Cross recess for a cross-head screwdriver. The countersunk head sits flush with the surface in a countersunk hole. Also called cross-recessed countersunk screws, flat head screws or plastic screws.. || Please see the technical image illustration for size references. All measurements are in millimetres/millimeters. || Product Details: Size_Ref: M4 x 20mm. Colour_Ref: Black. Material_Ref: Nylon / Polyamide 66. Type_Ref: Countersunk Cross 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: Material: Polyamide66, Head/Drive Type: Flat washer, size: M4, W0 A: 8.82 mm, W0 B: 4.39 mm, W0 T: 0.8 mm Nut_Dimension: Material: Polyamide66, Head/Drive Type: Hexagon Nut, size: M4, N (mm): M4, HN B: 6.89 mm, HN H: 3.05 mm Bolt_Dimension: Head/Drive Type: Cross Countersunk Head Bolt, size: M4 x 20, D: 4 mm, Pitch: 0.7 mm, L: 20 mm, HD: 8.22 mm, HH: 2.7 mm