Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw
Price:
USD0.2/pcs-USD1/pcs
MOQ:
100
Delivery Time:
1-5 weekds
Brand:
JIA SHAN
Product Description
Carbon Steel M5 M8 Thumb Screw - Black Finish, Class 8.8 Grade
Product Specifications
| Attribute | Value |
|---|---|
| Usage | Fastening |
| Style | Thumb Screw |
| Size | Various sizes available |
| Head Style | Thumb Screw |
| Strength | High |
| Finish | Black |
| Material | Carbon steel |
| Standard | DIN |
| Package Quantity | 100 pieces |
Product Description
Thumb screws are versatile fasteners designed for manual tightening and loosening without tools. Their knurled heads provide excellent grip, making them ideal for applications where space constraints prevent tool use or where frequent access is required.
Key Features
- Tool-free installation and removal
- Knurled head for enhanced grip
- High-strength carbon steel construction
- Durable black finish
- Class 8.8 grade for reliable performance
- Available in various sizes including M5 and M8
Material Properties
Our carbon steel thumb screws offer superior strength and durability. Carbon steel's iron-carbon alloy composition provides excellent rigidity and positional accuracy, with a carbon content optimized for high tensile strength while maintaining sufficient plasticity.
Common Applications
These thumb screws are widely used in panel fastening, equipment covers, wiring management, safety enclosures, and any assembly requiring regular maintenance access. Their versatility makes them suitable for industrial, electronic, and mechanical applications.
Technical Specifications
| Steel Type | Inlet Temperature (℃) | Outlet Temperature (℃) | Processing Time (min) |
|---|---|---|---|
| High-carbon steel | 120-125 | 125-130 | 40 |
| Low/medium carbon steel | 125-130 | 130-135 | 50 |
| High-alloy steel | 130-135 | 135-145 | 70 |
Packaging & Shipping
Available in small packs, cartons, or pallets. Standard package contains 100 pieces. All products undergo quality inspection before shipment.
Manufacturer Information
Manufactured by JIA SHAN Hardware Company, a trusted producer of quality fasteners. Our products meet DIN standards for quality and performance.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Hunan Jia Shan Hardware Tech Co., Ltd.
Location
1st Floor,Building 8 Phase II Factory Building,No.8 Lutian Road,Lugu Base,Lugu Street,Xiangjiang New Area,Hunan Province.Postal Code:410205
Contact Person
Tan