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GB 1229 Hexagon nuts for high strength structural bolting with large width across flats—Property classes 8 and 10
FOB Reference Price:Get Latest Price
Material:
Steel
Marks:
10
Finshing:
Black
Specifications:
M16 M20 M22 M24 All 4 Options
Quantity:
Payment Terms:
LC,TT,DP,Paypal,WesternUnion,MoneyGram,CreditCard,Cash,Escrow,DA
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HEBEI HANWANG STAINLESS STEEL PRODUCTS Co., Ltd
Manufacturer
Tel:

86-86-18230208883

Fax:

86-86-6666662

QQ:

200688383

Email:

200688383@qq.com

Basic Info
Standard
GB/T 1229
Material
Steel
Performance Grade
Class 10
Marks
10
Surface Treatment
Black
Thread
M-thread
Ex-drive
Hex chamfered double faces
Brand
思进(英文)
Unit
piece
Material Description
10
C max
0.13%
C max
0.13%
C max
0.13%
C min
0.07%
C min
0.07%
C min
0.07%
Cr max
0.15%
Cr max
0.15%
Cr max
0.15%
Cu max
0.25%
Cu max
0.25%
Cu max
0.25%
Mn max
0.65%
Mn max
0.65%
Mn max
0.65%
Mn min
0.35%
Mn min
0.35%
Mn min
0.35%
Ni max
0.3%
Ni max
0.3%
Ni max
0.3%
P max
0.35%
P max
0.3%
P max
0.25%
S max
0.35%
S max
0.3%
S max
0.2%
Si max
0.37%
Si max
0.37%
Si max
0.37%
Si min
0.17%
Si min
0.17%
Si min
0.17%
Elongation after fracture min
31%
Elongation after fracture min
31%
Elongation after fracture min
31%
Post systolic shrinkage min
55%
Post systolic shrinkage min
55%
Post systolic shrinkage min
55%
Tensile strength min
335MPa
Tensile strength min
335MPa
Tensile strength min
335MPa
Yield stress min
205MPa
Yield stress min
205MPa
Yield stress min
205MPa
Normalizing point max
960℃
Normalizing point max
960℃
Normalizing point max
960℃
Normalizing point min
900℃
Normalizing point min
900℃
Normalizing point min
900℃
Hardness with no heat treatment max
137HB
Hardness with no heat treatment max
137HB
Hardness with no heat treatment max
137HB
Surface Treatment
Black
Code
Black
Description
Oily surface, black
Thickness
1u
Appearance
Black
NSSWhiteRust
2
NSSRedRust
2
Product Description

products specs might not be accurate due to platform restriction,for details and price please feel free talk to us, enjoy shopping!


Heavy Hex Nuts are washer faced, are slightly larger and thicker than standard hex nuts. The heavy hex nuts is typically used for large diameter 10.9 grade high strength bolts which makes them the strongest of comparably-graded nuts. Their additional strength comes from increased thread engagement, which is due to their thickness, and greater resistance to dilation (expansion or stretching) because of their larger width. The heavy hex nut’s increased size yields a larger bearing surface and improved wrench ability.

“Hex” is for hexagon, which means they have six sides. They are also known as:

heavy nuts or steel structure nuts.

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