Qbh 15+ Years 300+ Furniture Industrial Steel Structure Construction Bridge Railway Ship Solar Panel Building Material Boat Automotive Auto Fastener Hardware

Product Name: Steel Industrial Structure Construction Fastener SEO Description: Qbh is a 15+ years factory specializing in industrial steel fasteners for construction, bridge, railway, and ship applications. High-quality and durable.
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PRODUCTS DETAILS

Basic Info.

Model NO.
QBH-Series
Head Style
Hexagonal
Standard
DIN, ANSI, GB, JIS, ASME, Ifi, as, ISO
Application
Machinery, Environmental, Building
Finish
Color-Zinc Plated
Application 1
Automobile Hardware
Application 2
Motorcycle Hardware
Application 3
Constructure Hardware
Application 4
Petroleum Machinery Parts
Application 5
Boat Parts
Application 6
Building Materials
Application 7
Steel Plant Materials
Application 8
Solar Panel Bracket
Transport Package
25kgs/Box, Bulk in Pallet
Specification
M5-M20
Trademark
QBH
Origin
China
HS Code
73181600
Production Capacity
500tons/Year

Packaging & Delivery

Package Size
26.00cm * 26.00cm * 14.00cm
Package Gross Weight
25.000kg

Product Description

Qbh 15+ Years 300+ Furniture Industrial Steel Structure Construction Bridge Railway Ship Solar Panel Building Material Boat Automotive Auto Fastener Hardware

Product Description

The company mainly produces high-strength fasteners business, bolts and nuts are the main, the main
standard are DIN/ANSI\ASME/JIS/UNI/ISO/AS/BS/GB and so on. The product massively applies in the

bridge\road\the petroleum pipeline facility\the wind power generation and steel structure project.
Carbon steel bolts mainly have 4.8, 5.8, 6.8, 8.8, 10.9, 12.9, nuts mainly have 4, 6, 8, 10, the main
material of stainless steel fastener is 201\304\316.

dimensions in mm
Thread d M5 M6 M8 M10 M12 M16 M20
Supplier QBH
P 0,8 1 1,25 1,5 1,75 2 2,5
b l < 125mm 16 18 22 26 30 38 46
125 < l < 200mm 22 24 28 32 36 44 52
l > 200mm - - 41 45 49 57 65
dk max. 13,55 16,55 20,65 24,65 30,65 38,8 46,8
min. 12,45 15,45 19,35 23,35 29,35 37,2 45,2
ds max. 5 6 8 10 12 16 20
min. 4,52 5,52 7,42 9,42 11,3 15,3 19,16
f max. 4,1 4,6 5,6 6,6 8,75 12,9 15,9
min. 2,9 3,4 4,4 5,4 7,25 11,1 14,1
k max. 3,3 3,88 4,88 5,38 6,95 8,95 11,05
min. 2,7 3,12 4,12 4,62 6,05 8,05 9,95
r1 approx. 10,7 12,6 16 19,2 24,1 29,3 33,9
r2 max. 0,5 0,5 0,5 0,5 1 1 1
r3 max. 0,75 0,9 1,2 1,5 1,8 2,4 3
v max. 5,48 6,48 8,58 10,58 12,7 16,7 20,84
min. 4,52 5,52 7,42 9,42 11,3 15,3 19,16


Dimensions

Nom. Dia. (d) M6 M8 M10 M12 M16 M20
Supplier QBH
Thread Pitch 1 1.25 1.5 1.75 2 2.5
Thread Length (b) L < 125mm 18 22 26 30 38 46
125-200mm 24 28 32 36 44 52
L > 200mm - 41 45 49 57 65
dk Max. 16.55 20.65 24.65 30.65 38.8 46.8
f Max. 4.6 5.6 6.6 8.75 12.9 15.9
k Max. 3.88 4.88 5.38 6.95 8.95 11.05
v Max. 6.48 8.58 10.58 12.7 16.7 20.84
L WEIGHT IN KG/1000 PCS
16 6.90          
20 7.60 13.80 22.70      
25 8.50 15.40 25.20      
30 9.60 17.00 27.70 45.70    
35 10.70 19.00 30.20 49.40    
40 11.80 21.00 32.70 53.10    
45 12.90 23.00 35.80 56.80    
50 14.00 25.00 38.90 61.20 119.00  
55 15.10 26.90 42.00 65.60 126.00  
60 16.20 28.90 45.10 70.00 133.00  
65 17.30 30.90 48.20 74.40 141.00  
70 18.40 32.90 51.30 78.80 149.00 247.00
80 20.60 36.80 57.50 87.00 165.00 272.00
90 22.80 40.80 63.70 96.00 181.00 297.00
100 25.00 44.80 69.90 105.00 197.00 322.00
110 27.20 48.80 76.10 114.00 213.00 347.00
120 29.40 52.80 82.30 123.00 229.00 372.00
130 31.60 56.80 88.50 132.00 245.00 397.00
140 32.80 60.80 95.00 141.00 261.00 422.00
150 35.00 64.80 101.00 150.00 277.00 447.00
160     107.00 159.00 293.00 497.00
180     119.00 177.00 325.00 547.00
200     131.00 195.00 357.00 597.00

Class4.8 Class5.8 Class6.8 Class8.8 Class10.9 Class12.9
NO. Mechanical or
physical property
Property class  
4.6 4.8 5.6 5.8 6.8 8.8 9.8 10.9 12.9/12.9  
D≤16mma d>16mmb d≤16mm  
Supplier QBH  
1 Tensile strength
Rm,Mpa
nom.c 400 500 600 800 900 1000 1200  
max. 400 420 500 520 600 800 830 900 1040 1220  
2 Lower yield strength
ReL,Mpa
nom.c 240 -- 300 -- -- -- -- -- -- --  
max. 240 -- 300 -- -- -- -- -- -- --  
3 Stress at 0,2 % nonproportional elongation
Rp0.2,Mpa
nom.c -- -- -- -- -- 640 640 720 900 1080  
max. -- -- -- -- -- 640 660 720 940 1100  
4 Stress at 0,0048 d non-proportional elongation for
full-size fasteners
Rpf,Mpa
nom.c -- 320 -- 400 480 -- -- -- -- --  
max. -- 340e -- 420e 480e -- -- -- -- --  
5 Stress under proof load
Spf,Mpa
nom. 225 310 280 380 440 580 600 650 830 970  
Proof Sp,nom/ReL min Or
strength Sp,nom/Rp0.2min Or
rati Sp,nom/Rpf min
0.94 0.91 0.93 0.9 0.92 0.91 0.91 0.9 0.88 0.88  
6 Percentage elongation
after fracture for
machined test pieces,A,%
min. 22 -- 20 -- -- 12 12 10 9 8  
7 Percentage reduction of area after
fracture for machined test pieces,Z,%
min. -- 52 48 48 44  
8 Elongation after fracture for full-size
fasteners,Af
min. -- 0.24 -- 0.22 0.2 -- -- -- -- --  
9 Head soundness No fracture  
10 Vickers hardness, HV,
F≥98N
min. 120 130 155 160 190 250 255 290 320 385  
max. 220g 250 320 335 360 380 435  
11 Brinell hardness, HBW
,F=30D²
min. 114 124 147 152 181 238 242 276 304 366  
max. 209g 238 304 318 342 361 414  
Supplier QBH  
12 Rockwell hardness,HRB ,
HRB
min. 67 71 79 82 89    
max. 95g 99.5    
Rockwell hardness,
HRC
min. -- 22 23 28 32 39  
max. -- 32 34 37 39 44  
13 Surface hardness
HV 0.3
max. -- h h,j h,j  
14 Height of non-decarburized thread zone,E,mm min. -- 1/2H1 2/3H1 3/4H1  
Depth of complete decarburization in the thread,G,mm max. -- 0.015  
15 Reduction of hardness after retempering,HV max. -- 20  
16 Breaking torque,
MB,N·m
min. -- in accordance with ISO 898-7  
17 Impact strength,
KVK,I,J
min. -- 27 -- 27 27 27 27 m  
18 Surface integrity in accordance with ISO 6157-1n ISO 6157-3  
a Values do not apply for structural bolting.
b For structural bolting d W M12.
c Nominal values are specified only for the purpose of the designation system for property classes.See Clause 5.
d In cases where the lower yield strength ReL cannot be determined, it is permissible to measure the stress at 0,2 % non-proportional elongation Rp0,2.
e For the property classes 4.8, 5.8 and 6.8 the values for Rpf min are under investigation. The present values are given for calculation of the proof stress ratio only. They are not test values.
f Proof loads are specified in Tables 5 and 7.
g Hardness determined at the end of a fastener shall be 250 HV, 238 HB or 99,5 HRB maximum.
h Surface hardness shall not be more than 30 Vickers points above the measured core hardness of the fastener when determination of both surface hardness and core hardness are carried out with HV 0,3.
i Any increase in hardness at the surface which indicates that the surface hardness exceeds 390 HV is not acceptable.
j Any increase in hardness at the surface which indicates that the surface hardness exceeds 435 HV is not acceptable.
k Values are determined at a test temperature of −20 °C, see 9.14.
l Applies to d W 16 mm. m Value for KV is under investigation.
n Instead of ISO 6157-1, ISO 6157-3 may apply by agreement between the manufacturer and the purchaser.
 
 

Materials and Chemical Compstition
QBH 1008
CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Al
0.06 0.06 0.33 0.013 0.003 0.01 0 0.01 0.028


QBH 1035
CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.34 0.13 0.73 0.012 0.002 0.02 0.01 0.02


QBH 10B21
CHEMICAL COMPOSI %
C Si Mn P S Cr B
0.2 0.04 0.81 0.017 0.007 0.017 0.0021


QBH 1045
CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.45 0.23 0.58 0.014 0.006 0.057 0.008 0.016

QBH 40CR
CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.4 0.21 0.54 0.015 0.008 0.95 0.02 0.02

QBH 35CRMO
CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Mo
0.35 0.22 0.59 0.01 0.003 0.93 0.01 0.01 0.21


QBH 42CRMO
CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Mo
0.42 0.27 0.92 0.013 0.004 1.01 0.03 0.04 0.2

 

More Details

The image displayed is a representation of the product. Product dimensions, finish, head type, and
thread length may differ from picture. Products are guaranteed to meet the specification to which
they are manufactured. Please email us with any questions.



Solar Panel Bracket Fasteners
Qbh 15+ Years 300+ Furniture Industrial Steel Structure Construction Bridge Railway Ship Solar Panel Building Material Boat Automotive Auto Fastener Hardware

 

Furniture Fasteners
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Sanitary Fasteners
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Automobile Fasteners
Qbh 15+ Years 300+ Furniture Industrial Steel Structure Construction Bridge Railway Ship Solar Panel Building Material Boat Automotive Auto Fastener HardwareQbh 15+ Years 300+ Furniture Industrial Steel Structure Construction Bridge Railway Ship Solar Panel Building Material Boat Automotive Auto Fastener Hardware


Motorcycle Fasteners
Qbh 15+ Years 300+ Furniture Industrial Steel Structure Construction Bridge Railway Ship Solar Panel Building Material Boat Automotive Auto Fastener Hardware


Steel Structure Fasteners
Qbh 15+ Years 300+ Furniture Industrial Steel Structure Construction Bridge Railway Ship Solar Panel Building Material Boat Automotive Auto Fastener Hardware


Package & Certifications Qbh 15+ Years 300+ Furniture Industrial Steel Structure Construction Bridge Railway Ship Solar Panel Building Material Boat Automotive Auto Fastener Hardware

Our Services

Professional Manufacturer: All of our Fastener are designed and manufactured according to buyers' 
specification and performance.

Quality is guaranteed: Durability testing and critical technical design to enhance fasteners lifetime.
Cost effective: Competitive prices with professional factory supply
Perfect fastening solution with 15+ years experiences to solve your problem: Wide range of parts selection.
Customized Ideal Fasteners: customized services according to the samples and drawings offered.

Free Samples for Standard Fastener from Jiaxing City Qunbang Hardware
 We Promise:
1.High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. The best service


FAQ
1.What's your experience like?

Our general manager has been engaged in the export of fasteners since 2005. 
Our team can provide you with professional fasteners selling and smooth export services.

2.How about your price?
High quality products with reasonable price. Please give me a inquire, We will quoted you a price for you 
refer at once.


3. How do you control your quality?
We require the quality control department to inspect every production link of each shipment. And we can provide you MTC and mill certificate when the goods is finished.

4.How about your delivery time?
General speaking, if the goods is in stock, we can delivery them with 2-5days, If the quantity is 1-2container, we can give you with 18-25days,if the quantity is more than 2 container and you are very urgent, we can let factory priority produce 
your goods.


5.What is your packing?
Our packing is 20-25kg for one carton,36 or 48pcs cartons for one pallet. One pallets is about 900-960kg, We also can make customer's logo on the cartons. Or we customized cartons according to customers' 
requirement.


6.What is your payment term?
We can accept T/T,LC for general order ,Paypal and Western union for small order or samples order. 



Awaiting for your kind inquiry! Thanks & best regards!
For more information:  http://qbfastener.en.made-in-china.com

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