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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
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
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
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
Specifications
Brand Name :
JIA SHAN
Model Number :
DIN6921
Certification :
ISO9001
Place of Origin :
China
MOQ :
1 PCS
Price :
0.02
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
Description
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
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 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 M8 M10 M12 Metal Steel Black Oxide Hex Head Serrated Flange Bolt B7 B7M DIN6921
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
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M8 M10 M12 Metal Steel Black Oxide Hex Head Serrated Flange Bolt B7 B7M DIN6921

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Product Detail
Brand Name :
JIA SHAN
Model Number :
DIN6921
Certification :
ISO9001
Place of Origin :
China
MOQ :
1 PCS
Price :
0.02
Contact Supplier
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
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

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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