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Hunan Jia Shan Hardware Tech Co., Ltd.

  • China ,Hunan
  • Verified Supplier
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China M8 M10 M12 Metal Steel Black Oxide Hex Head Serrated Flange Bolt B7 B7M DIN6921
China M8 M10 M12 Metal Steel Black Oxide Hex Head Serrated Flange Bolt B7 B7M DIN6921

  1. China M8 M10 M12 Metal Steel Black Oxide Hex Head Serrated Flange Bolt B7 B7M DIN6921
  2. China M8 M10 M12 Metal Steel Black Oxide Hex Head Serrated Flange Bolt B7 B7M DIN6921
  3. China M8 M10 M12 Metal Steel Black Oxide Hex Head Serrated Flange Bolt B7 B7M DIN6921
  4. China M8 M10 M12 Metal Steel Black Oxide Hex Head Serrated Flange Bolt B7 B7M DIN6921

M8 M10 M12 Metal Steel Black Oxide Hex Head Serrated Flange Bolt B7 B7M DIN6921

  1. MOQ: 1 PCS
  2. Price: 0.02
  3. Get Latest Price
Payment Terms T/T L/C
Supply Ability 5000000PCS/WEEK
Delivery Time 15-20 days
Packaging Details bag+carton
Port Shenzhen, Guangzhou
Length Customized
Thread Pitch Customized
Application Construction, Automotive, Machinery
Style Flange Bolts
Package PE+Carton +Pallet
Sample Availble
Usage Fastening
Material Alloy
Size Customized
Color Custom Color
Brand Name JIA SHAN
Model Number DIN6921
Certification ISO9001
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T L/C Supply Ability 5000000PCS/WEEK
Delivery Time 15-20 days Packaging Details bag+carton
Port Shenzhen, Guangzhou Length Customized
Thread Pitch Customized Application Construction, Automotive, Machinery
Style Flange Bolts Package PE+Carton +Pallet
Sample Availble Usage Fastening
Material Alloy Size Customized
Color Custom Color Brand Name JIA SHAN
Model Number DIN6921 Certification ISO9001
Place of Origin China
High Light Hex Head Serrated Flange BoltBlack Oxide Serrated Flange BoltMetal Steel Serrated Flange Bolt
M8 M10 M12 Metal Steel Black Oxide Hex Head Serrated Flange Bolt B7 B7M DIN6921
Product Overview

High-quality hex head serrated flange bolts designed for demanding industrial applications. Available in M8, M10, and M12 sizes with black oxide finish for enhanced corrosion resistance.

Key Specifications
Attribute Value
Material Alloy Steel (Stainless Steel variants available)
Standards DIN6921, ISO 4161, ASME/ANSI
Head Style Hex with serrated flange
Thread Type Coarse/customized
Finish Black Oxide
Applications Construction, Automotive, Machinery
Black oxide hex head serrated flange bolts in various sizes Close-up view of flange bolt serrations Flange bolt side profile showing hex head design Package of flange bolts ready for shipment Industrial application of flange bolts
Material Options
Stainless Steel (SUS304, 304L, 316, 316L, 316Ti, 410, 420)

Renowned for high corrosion resistance, ideal for environments exposed to moisture, chemicals, or varying temperatures. 316 series offers enhanced resistance to chlorides and acids, suitable for marine and chemical environments.

Maintenance Tips:
  • Regularly clean with mild detergent and water
  • Avoid contact with chlorides or harsh chemicals
  • Periodic protective coating enhances oxidation resistance
Aluminum Alloys (AL2024, AL5052, AL6061, AL6063, AL7050, AL7075)

Lightweight with excellent strength-to-weight ratios. AL7075 is among the strongest aluminum alloys, favored in aerospace applications.

Maintenance Tips:
  • Clean with mild soap solution
  • Anodized aluminum benefits from occasional waxing
  • Avoid abrasive cleaners
  • Store in low-moisture environments
Product Features
  • Customizable length and thread pitch
  • Available in metric and inch measurement systems
  • Serrated flange prevents loosening under vibration
  • Black oxide finish provides corrosion resistance
  • Heavy-duty construction for demanding applications
Technical Specifications
Parameter Details
Port Shenzhen, Guangzhou
Package PE+Carton+Pallet
Supply Ability 5,000,000 pieces/week
Delivery Time 15-20 days
Payment Terms T/T, L/C
Minimum Order 1 PC
Ordering Information
Brand Name JS
Model Number DIN975
Place of Origin China
Certification ISO9001
Price $0.02/PC
Frequently Asked Questions
What is the brand name of the metal bolt?
JS
Where is the metal bolt manufactured?
China
Does the metal bolt come with any certification?
Yes, ISO9001 certified
What is the minimum order quantity?
1 PC
What is the delivery time?
15-20 days

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

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  • 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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