| Customization: | Available |
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| Material: | Stainless Steel |
| Type: | Hexagon Head |
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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.
| 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 | |||
| 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. |
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| 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 |
| 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 |
| CHEMICAL COMPOSI % | ||||||
| C | Si | Mn | P | S | Cr | B |
| 0.2 | 0.04 | 0.81 | 0.017 | 0.007 | 0.017 | 0.0021 |
| 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 |
| 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 |
| 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 |
| 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
Our Services
Professional Manufacturer: All of our Fastener are designed and manufactured according to buyers'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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