Knurl Flat Head Hand Tighten Thumb Screws - Toolless Adjust Thumb Bolts - 5pcs M5x40 (Black plated)

🪞 Product Overview: Discover the versatility and ease of use offered by our selection of GB835 Knurl Flat Head Hand Tighten Thumb Screws. Designed specifically for applications in curtain wall glass systems, these thumb bolts provide a tool-free adjustment feature that significantly enhances ease of installation and maintenance.

Specifications:

• Materials: Crafted from premium carbon steel, each screw is available in two finishes: a durable zinc plating for enhanced corrosion resistance and a sleek black plating for a stylish aesthetic.
• Available Thread Diameters:
• 3mm (M3)
• 4mm (M4)
• 5mm (M5)
• 6mm (M6)
• 8mm (M8)
• 10mm (M10)
• Thread Pitch:
• 0.5mm for M3
• 0.7mm for M4
• 0.8mm for M5
• 1.0mm for M6
• 1.25mm for M8
• 1.5mm for M10

♻️ Features: The knurl design on the head of each screw provides a secure grip, allowing for easy hand tightening. This makes it ideal for users looking for a quick and reliable solution for fastening glass panels or other components without the need for specialized tools.

🪞 Applications: These thumb screws are perfect for use in a variety of construction and installation projects, particularly in the glass curtain wall sector, offering both functionality and aesthetic appeal. Whether you are a professional contractor or a DIY enthusiast, these thumb bolts are an essential addition to your toolkit.