Premium Black Oxide Carbon Steel Hex Socket Screws

Product Details
Customization: Available
Material: Stainless Steel
Type: Hexagon Head
Diamond Member Since 2025

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  • Premium Black Oxide Carbon Steel Hex Socket Screws
  • Premium Black Oxide Carbon Steel Hex Socket Screws
  • Premium Black Oxide Carbon Steel Hex Socket Screws
  • Premium Black Oxide Carbon Steel Hex Socket Screws
  • Premium Black Oxide Carbon Steel Hex Socket Screws
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  • Overview
  • Products Description
  • Product packaging
  • Procedure of Product
  • Manufacturing Technique
  • Shipment & Payment
  • FAQ
  • Contact Information
Overview

Basic Info.

Model NO.
DIN7991
Connection
Common Bolt
Head Style
Counter Sunk Bolt
Standard
DIN, ANSI, GB, JIS, BSW, GOST
Grade
A2-70
Application
Machinery, Chemical Industry, Environmental, Building
Finish
Polishing
Place of Origin
Guangdong, China
Range
M3 Tom20
Trade Term
Fob/CIF/CNF/EXW
Certification
Isq9001:2013.1s09001-2000
Thread
Full/Half Thread
Brand Name
No
Class
8.8/10.9/12.9
Free Sample
Available
Surfacetreatment
Zinc Plated
Model Number
DIN271
Products Name
Csk Screw Socket
Transport Package
Box Packed/Bag Packed/Pallet Packed
Trademark
DIN
Origin
China
HS Code
7415339000
Production Capacity
500000 Piece/Pieces Per Month

Product Description

Products Description
Premium Black Oxide Carbon Steel Hex Socket Screws
Product Name: DIN7991 CSK/Flat Head Socket Screw
Measurement: Available in both INCH & Metric sizes for your convenience
Standard: Built to meet the rigorous DIN standards
Size: Versatile range from M3 to M20 tailored to your needs
Material: Crafted from superior SS316 and SS304 steel
Length: Extensive options from 10mm to 200mm
Finish: Enhanced durability with a passivated finish
Head: Designed with a sleek button head
Slot Type: Hexagon, engineered for precision and strength
Shipment: Quick delivery time ranging from 2 to 30 days
Package: Securely packaged in carton + pallet for safe transportation
Certificate: Proudly certified with ISO9001: 2015 for quality assurance
Application: Ideal for Machinery, Chemical Industry, Environmental Projects, and Building
Premium Black Oxide Carbon Steel Hex Socket Screws
Premium Black Oxide Carbon Steel Hex Socket Screws
Premium Black Oxide Carbon Steel Hex Socket Screws
Products name
Bolts, nuts, washers, wrenches, pins, threaded rods/bars, studs, rivets, anchors, stamping parts, accessory parts
 
 
 
Standard
DIN, ASTM/ANSI, JIS, EN, ISO, AS, GB
 
 
 
Material
Stainless Steel: SS201, SS304, SS316; Carbon Steel: Gr A2; Aluminum
 
 
 
Finishing
passivated
 
 
 
Production
Process
Cold Froging, Machining and CNC, Stamping, Welding
 
 
 
Customized Products
Lead time
Busy season: 15-30days, Slack seaon: 10-20days
 
 
 
Stock Products
Stainless steel: DIN912,DIN7991,ISO7380,DIN934,DIN985,DIN982,DIN7984,DIN933,DIN931 ETC
 
 
 
Free Sample For Stock Fastener, Charge For Customization. 
 
 
 
 
 
Premium Black Oxide Carbon Steel Hex Socket Screws
Premium Black Oxide Carbon Steel Hex Socket Screws
Premium Black Oxide Carbon Steel Hex Socket Screws
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CSK Screw: Stainless Steel SS304 A2-70, High Tensile Socket available in sizes M3 to M20

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High Quality Screw: M2 M3 M4 M5 M6 M8, Stainless Steel Carbon Steel Screw Bolt for Furniture, Assembly, Computer Parts, Allen Screws

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Product packaging
Premium Black Oxide Carbon Steel Hex Socket Screws
Premium Black Oxide Carbon Steel Hex Socket Screws
Premium Black Oxide Carbon Steel Hex Socket Screws
Procedure of Product
Premium Black Oxide Carbon Steel Hex Socket Screws
Manufacturing Technique
Premium Black Oxide Carbon Steel Hex Socket Screws
Premium Black Oxide Carbon Steel Hex Socket Screws
Premium Black Oxide Carbon Steel Hex Socket Screws
Premium Black Oxide Carbon Steel Hex Socket Screws
Premium Black Oxide Carbon Steel Hex Socket Screws
Shipment & Payment
Premium Black Oxide Carbon Steel Hex Socket Screws
FAQ
Q : Can I get a sample? A: Yes, Free sample for in stock items; we charge for special fasteners. Shipment freight cost is for yours. Q : How long for production? A: About 3-5 days for stock, 15-20 days for standard fasteners; for special one, it is up to your drawing and quantity. Q : What is your payment term? A: T/T 30% deposit in advance, balance before shipment or 70% balance at sight copy of the B/L. Q : Do you have QC ? A: Yes, we have QC team who will inspect raw material, every process during production, goods measurement and mechanical property, testing result will be filled in computer; Q : Is the test report available? A: Yes, testing report will be provided for each dispatch of goods. Q : Are you manufacturer or Trader A: We are an integrated company for manufacturing and wholesaling fasteners in overseas.
Contact Information
Premium Black Oxide Carbon Steel Hex Socket Screws

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