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Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw
Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw
Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw
Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw
Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw
Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw
Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw
Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw
Specifications
Brand Name :
JIA SHAN
Model Number :
DIN, ASEM, ISO
Certification :
ISO
Place of Origin :
China
MOQ :
100
Price :
USD0.2/pcs-USD1/pcs
Payment Terms :
T/T, Western Union
Supply Ability :
Batch order abailable
Delivery Time :
1-5 weekds
Usage :
Fastening
Style :
Thumb Screw
Size :
Various sizes available
Head Style :
Thumb Screw
Strength :
High
Finish :
Black
Manufacturer :
JIA SHAN Hardward Company
Length :
As customisation
Package :
Small Packing+Carton Packing+Pallet
Standard :
DIN
Package Quantity :
100 pieces
Shape :
Self Tapping Screws
Measurement System :
INCH, Metric
Port :
Shenzhen
Quality :
Inspection before shipment
Color :
As customisation
Material :
Carbon steel
Description
Carbon Steel M5 M8 Thumb Screw - Black Finish, Class 8.8 Grade
Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw
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.
Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw
Manufacturer Information
Manufactured by JIA SHAN Hardware Company, a trusted producer of quality fasteners. Our products meet DIN standards for quality and performance.
Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw
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Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw

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Product Detail
Brand Name :
JIA SHAN
Model Number :
DIN, ASEM, ISO
Certification :
ISO
Place of Origin :
China
MOQ :
100
Price :
USD0.2/pcs-USD1/pcs
Contact Supplier
Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw
Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw
Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw
Carbon steel M5 M8 Thumb Screw Black finishing Class8. 8 Grade 8.8 Iron Spade Head Thumb Screw

Hunan Jia Shan Hardware Tech Co., Ltd.

Verified Supplier
1 Years
hunan
Since 2007
Business Type :
Manufacturer, Exporter, Seller
Main Products :
CNC Machining Parts, Metal Bolt, Metal Screw
Total Annual :
15000000-20000000
Employee Number :
100~200
Certification Level :
Verified Supplier
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