Jiaxing City Qunbang Hardware Co., Ltd
| Payment Terms | L/C, T/T, Q/A |
| Supply Ability | 200TON/MONTH |
| Delivery Time | 30days |
| Packaging Details | 25kg Carton+900kg/Pallet |
| Material | Carbon steel |
| Standard | DIN, ANSI, GB, ISO, |
| Size | M2-M10 customize According to customer's requirements |
| Grade | 12.9, 8.8, 4.8 |
| Color | blue |
| specifications | 1/4 |
| Thread | Round head |
| Delivery time | within 30days |
| Way | galvanized |
| Oem | Welcome, According to your request, Accept |
| Brand Name | QBH |
| Model Number | ANSI |
| Certification | ISO9001 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T, Q/A | Supply Ability | 200TON/MONTH |
| Delivery Time | 30days | Packaging Details | 25kg Carton+900kg/Pallet |
| Material | Carbon steel | Standard | DIN, ANSI, GB, ISO, |
| Size | M2-M10 customize According to customer's requirements | Grade | 12.9, 8.8, 4.8 |
| Color | blue | specifications | 1/4 |
| Thread | Round head | Delivery time | within 30days |
| Way | galvanized | Oem | Welcome, According to your request, Accept |
| Brand Name | QBH | Model Number | ANSI |
| Certification | ISO9001 | Place of Origin | CHINA |
| High Light | half round head square neck bolt ，1/4 round head square neck bolt ，carbon steel galvanized square neck bolts | ||
Carbon steel galvanized Anglo-American half round head square neck bolts 1/4 carriage screws 5/16 bridge screws 3/8
What's Self-drilling Screws
Hot dip galvanizing, also known as hot dip zinc and hot dip galvanizing, is to immerse the steel parts after rust removal into the melting zinc liquid at about 500℃, so that the surface of the steel member is attached with zinc layer, so as to play the purpose of anti-corrosion. It is an effective metal anticorrosion method, mainly used in various industries of metal structure facilities. Hot dip galvanizing is developed from the older method of hot dip galvanizing, which has a history of more than one hundred and eighty years since it was applied to industry in France in 1836. However, hot dip galvanizing industry has been developed with the rapid development of cold strip rolling in recent decades. Hot dip galvanizing process: finished product pickling - washing - plating solution - drying - hanging plating - cooling - medicine - cleaning - grinding - hot dip galvanizing completed.
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
| Thread d | M12 | M16 | M20 | M22 | M24 | M27 | M30 | M36 | |
| P | 1.75 | 2 | 2.5 | 2.5 | 3 | 3 | 3.5 | 4 | |
| b (see tab. below) | above tde continuous steped line | 21 | 26 | 31 | 32 | 34 | 37 | 40 | 48 |
| under tde continuous steped line | 23 | 28 | 33 | 34 | 37 | 39 | 42 | 50 | |
| c | Min. | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Max. | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | |
| da | Max. | 15.2 | 19.2 | 24 | 26 | 28 | 32 | 35 | 41 |
| ds | Nomial size | 12 | 16 | 20 | 22 | 24 | 27 | 30 | 36 |
| Min. | 11.3 | 15.3 | 19.16 | 21.16 | 23.16 | 26.16 | 29.16 | 35 | |
| Max. | 12.7 | 16.7 | 20.84 | 22.84 | 24.84 | 27.84 | 30.84 | 37 | |
| dw | Min. | 20 | 25 | 30 | 34 | 39 | 43.5 | 47.5 | 57 |
| e | Min. | 23.91 | 29.56 | 35.03 | 39.55 | 45.2 | 50.85 | 55.37 | 66.44 |
| k | Nomial size | 8 | 10 | 13 | 14 | 15 | 17 | 19 | 23 |
| Min. | 7.55 | 9.25 | 12.1 | 13.1 | 14.1 | 16.1 | 17.95 | 21.95 | |
| Max. | 8.45 | 10.75 | 13.9 | 14.9 | 15.9 | 17.9 | 20.05 | 24.05 | |
| k´ | Min. | 5.28 | 6.47 | 8.47 | 9.17 | 9.87 | 11.27 | 12.56 | 15.36 |
| r | Min. | 1.2 | 1.2 | 1.5 | 1.5 | 1.5 | 2 | 2 | 2 |
| s | Nomial size = max. | 22 | 27 | 32 | 36 | 41 | 46 | 50 | 60 |
| Min. | 21.16 | 26.16 | 31 | 35 | 40 | 45 | 49 | 58.8 | |
Jiaxing City Qunbang Hardware Co, Ltd is a productiondesignsales and after-sales as one of the fasteners business, The company is located in HangjiaHu Plain, close to ShanghaiNingboZhapu ports. The geographical position is superior, the transportation is convenient, has created the natural superiority for the export.
The advantages of QBH
Company Details
Business Type:
Manufacturer,Trading Company,Seller
Year Established:
2014
Total Annual:
3000-4500
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Jiaxing City Qunbang Hardware Co,ltd is a productiondesignsales and after-sales as one of the fasteners business,The company is located in HangjiaHu Plain,close to ShanghaiNingboZhapu ports.The geographical position is superior,the transportation is convenient,has created the nat... Jiaxing City Qunbang Hardware Co,ltd is a productiondesignsales and after-sales as one of the fasteners business,The company is located in HangjiaHu Plain,close to ShanghaiNingboZhapu ports.The geographical position is superior,the transportation is convenient,has created the nat...
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