Black M8 M12 Carbon steel Thumb Screw Class8. 8 Grade 8.8 Spade Head Thumb Screw

Thumb screws are multi-purpose fasteners designed for manual tightening and loosening without tools. Ideal for applications where space constraints prevent tool use or where frequent access is required for maintenance.

• Knurled head for improved grip during manual installation
• High-strength carbon steel construction (Grade 8.8)
• Black finish for corrosion resistance
• Available in various sizes (M8, M12, and custom lengths)
• DIN standard compliant
• Suitable for frequent removal and reinstallation

These thumb screws are commonly used in:

• Panel fastening in tight spaces
• Equipment covers and enclosures
• Battery compartments
• Safety covers and access panels
• Consumer electronics and appliances
• Industrial equipment requiring frequent maintenance

Carbon steel offers excellent strength-to-weight ratio with:

• High tensile strength (Grade 8.8)
• Good wear resistance
• Durable black finish
• Customizable length options

Available in multiple packaging options:

• Small packing (retail quantities)
• Carton packing (bulk quantities)
• Palletized for large orders

Standard package contains 100 pieces. All shipments undergo quality inspection prior to dispatch from Shenzhen port.

JIA SHAN Hardware Company specializes in high-quality fasteners with strict quality control measures and customizable solutions for industrial applications.