50x Clear Acrylic Slotted Countersunk Screws M4 x 20 mm, Nuts & Washers

BP1: 50x Bolts, 50x Nuts, 50x Washers. Colour: Clear. Material: Acrylic / PC. Type: Countersunk Slotted Bolts. Length: 20mm. Diameter: 4mm. Pitch: 0.7mm. Head diameter: 8.2mm. Head height: 2.7mm. SKU: 769.. BP2: The clear acrylic / PC material offers glass-like clarity for sign mounting and fixing.. BP3: Polycarbonate has moderate chemical resistance to mild acids, alcohols and oils, but strong acids, alkalis and some organic solvents can cause damage.. BP4: Acrylic is a strong, tough and durable material with good impact strength and low weight.. BP5: Designed with a slotted drive for fitting with a flathead screwdriver. Also known as slotted flat head screws, countersunk machine screws.. || PRODUCT DESCRIPTION SUMMARY: Clear plastic acrylic / PC slotted countersunk bolts, nuts and washers are supplied as 50 of each. The bolts are M4 x 20 mm with a 0.7 mm thread pitch. They can be used for sign mounting and fixing. The countersunk head gives a flush finish in a matching countersunk hole, and the slotted drive is fitted with a flat-blade screwdriver. Acrylic and polycarbonate are similar thermoplastics often used interchangeably. Acrylic gives good strength and UV resistance; polycarbonate gives higher impact and heat resistance.. || Please see the technical image illustration for size references. All measurements are in millimetres/millimeters. || Product Details: Size_Ref: M4 x 20mm. Colour_Ref: Clear. Material_Ref: Acrylic / Polycarbonate. Type_Ref: Countersunk Slotted 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: Polycarbonate, 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: Polycarbonate, 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: Slotted 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