Features:
- 50x Bolts, 50x Nuts, 50x Washers. Material: PA 66 / 50% GF. Type: Socket Head Bolts. Length: 20mm. Diameter: 4mm. Pitch: 0.7mm. SKU: 813.
- The addition of 50% glass fibers enhances the heat deflection temperature, enabling the material to perform reliably at elevated temperatures.
- Glass fibers improve tensile strength, stiffness, and impact resistance while reducing the material's susceptibility to creep under load.
- The composite also possesses superior hardness, surface durability, and wear resistance compared to PA66.
- Repeated removal and refitting possible with excellent resistance to stripping in high torque applications.
Product Summary:
While the melting point remains largely unchanged, the heat distortion temperature of PA66+GF (Glass Fibres) is superior to that of PA66, meaning that the composite can withstand higher temperatures before beginning to deform under load. The composite exhibits reduced moisture absorption, a significant improvement over PA66's susceptibility to moisture. Common applications include automotive components, industrial machinery and consumer goods where high strength and thermal resistance are required. Hex Bolts & Screws also known as plastic bolts, plastic screws, plastic bolt, plastic screw.
Core Technical Details | |
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Product Type | Socket Head Bolts |
Size (mm) | M4 x 20mm |
Material | Nylon PA 66 / 50% Glass Fibre Reinforced |
Colour | Natural |
Quantity | 50 |
Dimensions - mm | |
Diameter -mm | 4.00 |
Length - mm | 20 mm (L) |
Width -mm | 4 mm (W) |
Thickness / Depth -mm | 4 mm (D) |
Pitch - mm | 0.7 |
Dimensions - Inches Conversion | |
Length -inches | 0.787 |
Width -inches | 0.157 |
Thickness / Depth -inches | 0.157 |
Pitch - inches | 0.028 |
Product Download Sheets | |
Material Data Sheet | Nylon GF50 Datasheet |
Product Data Sheet | Nylon PA66 50% GF Screws & Bolts Datasheet |
Safety Data Sheet | Conformity Safety |

Type | |
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Technical Drawing | https://caterpillar-red.com/content/Technical_Drawings/A-Technical-Drawing-Hexagon-Socket-Head.png |
Bolt Dimensions | Stock Code: CR02292PA66+GF Socket Hex Head Bolt size: M4 x 20 D: 4 mm Pitch: 0.7 mm L: 20 mm HD: 7.0 mm HH: 3.91 mm HS: 3.05 mm |
Nut Dimensions | Stock Code: CR06369PA+GF Material: Polyamide+fiberglass Material Reference: PA+GF/HN Head/Drive Type: Hexagon Nut size: M4 N (mm): M4 HN B: 6.89 mm HN H: 3.05 mm |
Washer Dimensions | Stock Code: CR06525PA+GF Material: Polyamide+fiberglass Material Reference: PA+GF/W0 Head/Drive Type: Flat Washer size: M4 W0 A: 8.82 mm W0 B: 4.39 mm W0 T: 0.8 mm |
Width -mm | 4 mm (W) |
Length - mm | 20 mm (L) |
Thickness / Depth -mm | 4 mm (D) |
Diameter -mm | 4.00 |