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Hunan Jia Shan Hardware Tech Co., Ltd.

  • China ,Hunan
  • Verified Supplier
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China Black M8 M12 Carbon steel Thumb Screw Class8. 8 Grade 8.8 Spade Head Thumb Screw
China Black M8 M12 Carbon steel Thumb Screw Class8. 8 Grade 8.8 Spade Head Thumb Screw

  1. China Black M8 M12 Carbon steel Thumb Screw Class8. 8 Grade 8.8 Spade Head Thumb Screw
  2. China Black M8 M12 Carbon steel Thumb Screw Class8. 8 Grade 8.8 Spade Head Thumb Screw
  3. China Black M8 M12 Carbon steel Thumb Screw Class8. 8 Grade 8.8 Spade Head Thumb Screw
  4. China Black M8 M12 Carbon steel Thumb Screw Class8. 8 Grade 8.8 Spade Head Thumb Screw

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

  1. MOQ: 100
  2. Price: USD0.2/pcs-USD1/pcs
  3. Get Latest Price
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
Brand Name JIA SHAN
Model Number DIN, ASEM, ISO
Certification ISO
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

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
Brand Name JIA SHAN Model Number DIN, ASEM, ISO
Certification ISO Place of Origin China
High Light M8 M12 carbon steel thumb screwgrade 8.8 spade head screwblack metal thumb screw
Black M8 M12 Carbon Steel Thumb Screw Class 8.8 Grade 8.8 Spade Head Thumb Screw
Product Specifications
Usage Fastening
Style Thumb Screw
Size Various sizes available
Head Style Thumb Screw
Strength High
Finish Black
Manufacturer JIA SHAN Hardward Company
Length Customizable
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 Customizable
Material Carbon steel
Product Overview
Black M8 M12 Carbon Steel Thumb Screw with spade head design

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.

Key Features
  • 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
Applications

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
Material Properties

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

  • High tensile strength (Grade 8.8)
  • Good wear resistance
  • Durable black finish
  • Customizable length options
Oxidation Temperature Guide
Type of Steel Inlet Temperature (°C) Outlet Temperature (°C) Processing Time (min)
High-carbon steel 120-125 125-130 40
Low and medium carbon steel 125-130 130-135 50
Chromium-silicon steel 125-130 130-140 60
High-alloy steel 130-135 135-145 70
High speed steel 135-140 140-150 80
Packaging & Shipping

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.

Thumb screw packaging options showing carton and pallet configurations
Manufacturer Information
JIA SHAN Hardware Company manufacturing facility Quality control process at JIA SHAN Hardware JIA SHAN Hardware production line for thumb screws

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

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Exporter,Seller

  • Year Established:

    2007

  • Total Annual:

    15000000-20000000

  • Employee Number:

    100~200

  • Ecer Certification:

    Verified Supplier

Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of ... Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of ...

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Get in touch with us

  • Reach Us
  • Hunan Jia Shan Hardware Tech Co., Ltd.
  • 1st Floor,Building 8 Phase II Factory Building,No.8 Lutian Road,Lugu Base,Lugu Street,Xiangjiang New Area,Hunan Province.Postal Code:410205
  • https://www.cnc-partsmachining.com/

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