Hex Bolts DIN912 12.9 Socket Head Cap Screws

Product Details
Customization: Available
Material: High Strength Steel
Type: Round Head
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  • Hex Bolts DIN912 12.9 Socket Head Cap Screws
  • Hex Bolts DIN912 12.9 Socket Head Cap Screws
  • Hex Bolts DIN912 12.9 Socket Head Cap Screws
  • Hex Bolts DIN912 12.9 Socket Head Cap Screws
  • Hex Bolts DIN912 12.9 Socket Head Cap Screws
  • Hex Bolts DIN912 12.9 Socket Head Cap Screws
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  • Overview
  • Product Parameters
  • Manufacturing Process
  • Packaging & Shipping
  • Company Profile
Overview

Basic Info.

Model NO.
DIN912
Groove
Hexagon
Connection
Common Bolt
Head Style
Round
Standard
DIN, GB, ANSI, BSW
Grade
12.9
Surface
Black
Finsh
Zn
Gr
8.8 /10.9/ 12.9
Range
M3-M64
Packing
25kg Bulk Packing
Label
OEM
with Pallet
Yes
Transport Package
Wooden Pallet Packing
Specification
M3-M64
Trademark
N/M
Origin
China
HS Code
7318150000
Production Capacity
60000/Ton/Year

Product Description


DIN912 Grade12.9 Hex bolts Socket head Cap Screws

Hex Bolts DIN912 12.9 Socket Head Cap Screws
Hex Bolts DIN912 12.9 Socket Head Cap Screws
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 ?
 
Hex Bolts DIN912 12.9 Socket Head Cap Screws
Hex Bolts DIN912 12.9 Socket Head Cap Screws

 * After acid 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~~

 
Hex Bolts DIN912 12.9 Socket Head Cap Screws
Hex Bolts DIN912 12.9 Socket Head Cap Screws
Hex Bolts DIN912 12.9 Socket Head Cap Screws

socket head cap screw DIN912 before thread rolling (below picture)

Hex Bolts DIN912 12.9 Socket Head Cap Screws

Thread rolling (below pictures)
 
Hex Bolts DIN912 12.9 Socket Head Cap Screws
Hex Bolts DIN912 12.9 Socket Head Cap Screws

* Then send to the heat treatment workshop to do the most important step--Heat treatment and with black. 
 
Hex Bolts DIN912 12.9 Socket Head Cap Screws
Hex Bolts DIN912 12.9 Socket Head Cap Screws

And for Znic goods we will do it on plating factory.
Finish, let's do the test for Quality Checking!!!

HRC Test
 
Hex Bolts DIN912 12.9 Socket Head Cap Screws
Hex Bolts DIN912 12.9 Socket Head Cap Screws
Hex Bolts DIN912 12.9 Socket Head Cap Screws

HRC PERFECT!! so we can send the free samples to you to check the quanlity always if you need!
 
Hex Bolts DIN912 12.9 Socket Head Cap Screws
Hex Bolts DIN912 12.9 Socket Head Cap Screws
Hex Bolts DIN912 12.9 Socket Head Cap Screws
 
Packaging & Shipping

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

 
Hex Bolts DIN912 12.9 Socket Head Cap Screws
Hex Bolts DIN912 12.9 Socket Head Cap Screws
Hex Bolts DIN912 12.9 Socket Head Cap Screws
 
Company Profile

Hex Bolts DIN912 12.9 Socket Head Cap Screws

    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.

Hex Bolts DIN912 12.9 Socket Head Cap Screws
Hex Bolts DIN912 12.9 Socket Head Cap Screws
Hex Bolts DIN912 12.9 Socket Head Cap Screws

 

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