M8X4" Class 12.9 Black Geomet DIN 7991 Hexagon Socket Countersunk Head Bolts

Product Details
Customization: Available
Material: Carbon Steel;Stainless Steel;Alloy Steel
Type: Countersunk Head
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Number of Employees
41
Year of Establishment
2015-03-31
  • M8X4" Class 12.9 Black Geomet DIN 7991 Hexagon Socket Countersunk Head Bolts
  • M8X4" Class 12.9 Black Geomet DIN 7991 Hexagon Socket Countersunk Head Bolts
  • M8X4" Class 12.9 Black Geomet DIN 7991 Hexagon Socket Countersunk Head Bolts
  • M8X4" Class 12.9 Black Geomet DIN 7991 Hexagon Socket Countersunk Head Bolts
  • M8X4" Class 12.9 Black Geomet DIN 7991 Hexagon Socket Countersunk Head Bolts
  • M8X4" Class 12.9 Black Geomet DIN 7991 Hexagon Socket Countersunk Head Bolts
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Basic Info.

Model NO.
DIN7991, ISO10642, GB70
Groove
Hexagon
Connection
Common Bolt
Head Style
Counter Sunk Bolt
Standard
DIN
Grade
4.8/5.6/8.8/10.9
Transport Package
Plastic Bag+ Carton+Wood Pallet
Specification
M4-M30/1/4"-8"
Trademark
G&T
Origin
Shanghai, China
HS Code
73151900
Production Capacity
100 Tons/Month

Packaging & Delivery

Package Size
10.00cm * 10.00cm * 10.00cm
Package Gross Weight
1.000kg

Product Description

M8X4" Class 12.9 Black Geomet DIN 7991 Hexagon Socket Countersunk Head Bolts
M8X4" Class 12.9 Black Geomet DIN 7991 Hexagon Socket Countersunk Head Bolts
Product Name  Hex Socket Flat Countersunk Head Screw
Standard   GB/DIN/BS/ANSI
Grade  4.8/6.8/8.8/10.9/12.9
Material Carbon Steel/SS304/Titanium
Surface Treatment  Plain,Black,Zinc,HDG,Dacromet,Nickel Plated
Packing detailes  Woven Bag,Carton,Pallets,or as your requests.
Payment Terms  T/T
Delivery Method  by sea,by air or by express service
M8X4" Class 12.9 Black Geomet DIN 7991 Hexagon Socket Countersunk Head Bolts
Screw Thread
d
M3 M4 M5 M6 M8 M10 M12 (M14) M16 M20
P Pitch
b ref.
dk Theoretical max
Actual min
ds max
min
min
k max
s Nominal Size
max
min
t min
Minimum tensile load(N)-8.8 
Minimum tensile load(N)-10.9 
Minimum tensile load(N)-12.9 
0.5 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5
18 20 22 24 28 32 36 40 44 52
6.72 8.96 11.20 13.44 17.92 22.40 26.88 30.80 33.60 40.32
5.54 7.53 9.43 11.34 15.24 19.22 23.12 26.52 29.01 36.05
3 4 5 6 8 10 12 14 16 20
2.86 3.82 4.82 5.82 7.78 9.78 11.73 13.73 15.73 19.67
2.303 2.873 3.443 4.583 5.723 6.863 9.149 11.429 11.429 13.716
1.86 2.48 3.1 3.72 4.96 6.2 7.44 8.4 8.8 10.16
2 2.5 3 4 5 6 8 10 10 12
2.080 2.58 3.08 4.095 5.140 6.140 8.175 10.175 10.175 12.212
2.020 2.52 3.020 4.020 5.020 6.020 8.025 10.025 10.025 12.032
1.1 1.5 1.9 2.2 3 3.6 4.3 4.5 4.8 5.6
3220 5620 9080 12900 23400 37100 53900 73600 100000 162000
4180 7300 11800 16700 30500 48200 70200 96000 130000 204000
4910 8560 13800 19600 35700 56600 82400 112000 154000 239000
e mim=1.14 S min
80% of the values specified in ISO 898-1.

M8X4" Class 12.9 Black Geomet DIN 7991 Hexagon Socket Countersunk Head Bolts


M8X4" Class 12.9 Black Geomet DIN 7991 Hexagon Socket Countersunk Head Bolts


Shanghai G&T Industry Co., Ltd. is a manufacturer of all standard DIN, BS,JIS and ISO fasteners and other industrial parts with well-equipped testing facilities and strong technical force. 


With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in Mold, Electricity, Construction, Solar energy, Automotive, Machinery & Equipment and other industries.
M8X4" Class 12.9 Black Geomet DIN 7991 Hexagon Socket Countersunk Head Bolts
M8X4" Class 12.9 Black Geomet DIN 7991 Hexagon Socket Countersunk Head Bolts

M8X4" Class 12.9 Black Geomet DIN 7991 Hexagon Socket Countersunk Head Bolts
M8X4" Class 12.9 Black Geomet DIN 7991 Hexagon Socket Countersunk Head Bolts

M8X4" Class 12.9 Black Geomet DIN 7991 Hexagon Socket Countersunk Head Bolts
Q1: Why choose us?

To provide our customers with first-class services in the supply of quality fasteners minimizing costs.

1.1. Vision: We wishes to build successful relations with our partners and be their first choice as an  fasteners supplier.



1.2. Mission: professional customer service, and innovation in technology.



Further more, we do not only offer you fasteners with more reasonable quality and price than your expectations, but also would like to be your friend and to provide you market sales suggestion for your reference, if you have a better idea , please feel free to share with us.



Q2.How is quality ensured?

All our processes strictly adhere to ISO9001:2008 procedures. We have strict quality control from producing to delivery.Our company had strong technology support, We have cultivated a group of managers who are familiar with product quality , good at modern concept of management.



Q3:If you can not find on our website the product you need how to do?

You can send the pictures/photos and drawings of the products you need by email , we will check if we have them. We develop new models every month, Or you can send us samples by DHL/TNT, then we can develop the new model especially for you.



Q4:Can You Strictly Follow The Tolerance on The Drawing And Meet The High Precision?

Yes, we can, we can provide high precision parts and make the parts as your drawing.



Q5: How should I order and make payment?

By T/T, for samples 100% with the order; for production, 30% paid for deposit by T/T before production arrangement, the balance to be paid before shipment.



Q6: What's your Delivery Time?



Standard parts: 7-15days



Non-standard parts: 15-25days



We will make the delivery as soon as possible with the guarantee quality.



Q7:How to Custom-made (OEM/ODM)

If you have a new product drawing or a sample, please send to us, and we can custom-made the hardware as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.



Q8:Which mode of transport would be better?

In general, the production are heavy, we advice to make delivery by sea, Also we respect your views of other transportation as well.
 

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