Features:
- 50x Bolts, 50x Nuts, 50x Washers. Material: Acrylic / PC. Type: Thumbscrews. Length: 40mm. Diameter: 8mm. Pitch: 1.25mm. SKU: 833.
- The ridges on knurled screws provide extra grip, whilst the large head diameter of the screws ensures they can be tightened with a high degree of rotational accuracy, ideal for precise fastening.
- Exhibiting high transparency of up to 92% and reflectance of roughly 4%, acrylic is a good alternative to glass.
- A lightweight, rigid and weather-resistant thermoplastic. Moderate chemical resistance to mild acids, alcohols, and oils.
- Straightforward manual adjustment, fastening, or removal without the need for tools, operate thumbscrews with just a thumb and forefinger. Additional slotted recess for fastening with a screwdriver.
Product Summary:
Knurled screws are designed to create ridges that provide enhanced grip. The screws are fully threaded and are metric. Clear Acrylic PC Thumbscrew Bolts, Nuts, Washers and Screws has a light transmission of up to 92%, making it a popular alternative to glass in applications where optical clarity is required. The material is moisture resistant, strong, durable and lightweight, with at least 200 times the impact resistance of glass. It also offers good shock resistance and PC thumbscrews will not break in high-impact applications. Bolts & Screws also known as plastic thumbscrews, thumbscrews, knurled screws, thumbscrews, thumbscrews.
Core Technical Details | |
---|---|
Product Type | Thumbscrews |
Size (mm) | M8 x 40mm |
Material | Acrylic / Polycarbonate |
Colour | Clear |
Quantity | 50 |
Dimensions - mm | |
Diameter -mm | 8.00 |
Length - mm | 40 mm (L) |
Width -mm | 8 mm (W) |
Thickness / Depth -mm | 8 mm (D) |
Pitch - mm | 1.25 |
Dimensions - Inches Conversion | |
Length -inches | 1.575 |
Width -inches | 0.315 |
Thickness / Depth -inches | 0.315 |
Pitch - inches | 0.049 |
Product Download Sheets | |
Material Data Sheet | PC Datasheet |
Product Data Sheet | PC Polycarbonate Datasheet |
Safety Data Sheet | Conformity Safety |

Type | |
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Technical Drawing | https://caterpillar-red.com/content/Technical_Drawings/A-Technical-Drawing-Slotted-Knurled-Thumbscrews.png |
Bolt Dimensions | Stock Code: CR06904PC Head/Drive Type: Slotted Knurled Thumbscrew size: M8 x 40 D: 8 mm Pitch: 1.25 mm L: 40 mm HD: 16.76 mm HH: 9.62 mm |
Nut Dimensions | Stock Code: CR06485PC Material: Polycarbonate Material Reference: PC/HN Head/Drive Type: Hexagon Nut size: M8 N (mm): M8 HN B: 12.87 mm HN H: 6.62 mm |
Washer Dimensions | Stock Code: CR06594PC Material: Polycarbonate Material Reference: PC/W0 Head/Drive Type: Flat washer size: M8 W0 A: 15.78 mm W0 B: 8.51 mm W0 T: 1.6 mm |
Width -mm | 8 mm (W) |
Length - mm | 40 mm (L) |
Thickness / Depth -mm | 8 mm (D) |
Diameter -mm | 8.00 |