Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt

Product Details
Customization: Available
Material: High Strength Steel
Type: Hexagon Head With Flange
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  • Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
  • Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
  • Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
  • Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
  • Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
  • Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
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  • Overview
  • Product Description
  • Product Parameters
  • Manufacturing Process
  • Packaging & Shipping
  • Company Profile
Overview

Basic Info.

Model NO.
DIN6921
Connection
Common Bolt
Head Style
Hexagonal
Standard
DIN, ANSI, GB, BSW
Grade
8.8, 10.9, 12.9
Application
Machinery, Chemical Industry, Environmental, Building
Finish
Black, Blue-White Zinc-Plated
Surface
Black, Blue-White Zinc-Plated
Range
M3-M64
Paking
25kg Bulk Packing
Label
OEM
with Pallet
Yes
Industry Field
Construction, Automobile, Machinery, Equipment
Transport Package
Wooden Pallet Packing
Specification
M3-M64
Trademark
N/M
Origin
China
HS Code
7318159090
Production Capacity
60000/Ton/Year

Packaging & Delivery

Package Size
37.00cm * 26.00cm * 16.50cm
Package Gross Weight
25.000kg

Product Description

Product Description

 
Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
 
 
Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
 
Product Parameters
 
Material
Alloy Steel 
Grade
8.8, 10.9, 12.9
Finish
Plain(Black oxide), Zinc Plated(White/Yellow), H.D.G and etc.
Thread
Metric, UNC, UNF, BSW
Standard
ISO, DIN, ASME, JIS, BS and Non-standard
Packing
1. Bulk in cartons (25-30kg Max.)+wooden pallet                                   
2. Small Boxes into outer carton + wooden pallet
3. According to customer special demand
LeadTime
30-45 work days after order confirmed
 

Manufacturing Process

How to make a socket head cap screw?

Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt

 * After surface cleaning,we will delivery to the wire Drawing workshop for Drawing.

 * Then transfer to the cold heading machine to make the hexagon head.(here we can do the head marking, Knurling or not Knurling here).  if over M24, our machine will very biggest, you see~~

 
Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt

Socket head cap screw DIN912 before thread rolling

Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt

Thread rolling (below pictures)
 
Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt

* Then send to the heat treatment workshop to do the most important step--Heat treatment and with black. 
 
Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt

And for Znic goods we will do it on plating factory.
Finish, let's do the test for Quality Checking!!!
HRC Test
 
Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
 
HRC PERFECT!! so we can send the free samples to you to check the quanlity always if you need!
   
Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
 

Packaging & Shipping


Package: 25kg bulk packing /  small box inner carton
Label: we can follow customer requirements.
Shipment port: SHANGHAI 

Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt
 

Company Profile

Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt

    We,Hunan Gurth Technology Co., Ltd., is a professional manufacturer for fasteners with 2 factories in Wenzhou and Hunan bases and a number of experts and technicians engaged in hardware industries for more than 20 years. We focus on fasteners, our main products :

[ Socket head cap screw DIN912 8.8,10.9,12.9 ]
[ Set screw Din916 DIN913,DIN914 ]
[ Flat cap screw DIN7991 ]
[ Button cap screw ISO7380 ]
[ Hex bolts DIN933,DIN931 8.8,10.9,12.9 ]
[ Flange bolts DIN6921 ]
[ Nut DIN934,DIN982,DIN985,DIN6923 ]
[ Anchor ]
[ Rod thread ]
[ Washer ]

   Through the years, we are consistently committed to supporting clients with better quality and competitive price.

Gurth 10.9 Grade High Strength1/4-20 3/8-16 Black Oxide Full Thread/Partial Thread DIN6921 Hex Flange Bolt

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