M8 Stainless Steel Knurled Thumb Screws Hand Tighten GB834 2Pcs
M8 Stainless Steel Knurled Thumb Screws Hand Tighten GB834 2Pcs
Details
2Pcs M8 Stainless Steel Knurled Thumb Screws – Hand Tighten Glass & Curtain Wall Lock Screws
Upgrade your fastening game with these premium M8 Stainless Steel Knurled Thumb Screws. Designed for tool-free hand tightening, these GB834-standard thumb screws feature a distinctive knurled round head that provides a secure, no-slip grip — perfect for curtain wall assemblies, glass fixtures, DIY projects, and general hardware applications.
Key Features
- Material: High-grade stainless steel for superior corrosion resistance and long-lasting durability
- Head Style: Round knurled head for easy, comfortable hand tightening — no tools required
- Size: M8 thread, available in multiple lengths (10, 12, 14, 16, 20–50mm) to suit various applications
- Standard: Manufactured to GB834 specifications for consistent, reliable performance
- Versatile Use: Ideal for curtain walls, glass locks, electronic enclosures, machinery panels, and DIY builds
- Package: Comes as a set of 2 pieces
- No High-Concern Chemicals: Safe materials with no restricted substances
Specifications
| Brand | JARBLUE |
| Material | Stainless Steel |
| Thread Size | M8 |
| Available Lengths | 10, 12, 14, 16, 20–50mm |
| Head Style | Round Knurled |
| Drive Style | None (Hand Tighten) |
| Standard | GB834 |
| Quantity | 2 Pieces per Pack |
| Country of Origin | Made in Mainland China |
Perfect Applications
These thumb screws are a go-to fastener for professionals and DIY enthusiasts alike. Use them in:
- Curtain wall and glass panel installations
- Electronics and control panel enclosures
- Furniture assembly and woodworking fixtures
- Laboratory and scientific equipment
- Machinery guards and access panels
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Frequently Asked Questions
Q: What is the thread size and what lengths are available for these knurled thumb screws?
A: These thumb screws feature an M8 thread size and are available in multiple lengths including 10mm, 12mm, 14mm, 16mm, and 20–50mm, making them suitable for a wide range of fastening applications and panel thicknesses.
Q: Are these stainless steel thumb screws suitable for outdoor or high-moisture environments?
A: Yes. Constructed from high-grade stainless steel, these M8 knurled thumb screws offer excellent corrosion and rust resistance, making them well-suited for both indoor and outdoor use, including curtain wall and glass panel installations exposed to the elements.
Q: Do I need any tools to install or remove these thumb screws?
A: No tools are needed. The knurled round head is specifically designed for comfortable, secure hand tightening and loosening, allowing for quick, tool-free adjustments — ideal for panels and fixtures that require frequent access.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.
Materials + Care
We prioritize quality in selecting the materials for our items, choosing premium fabrics and finishings that ensure durability, comfort, and timeless appeal.
Shipping + Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.