-
Steel Nut Bolts
-
Steel Hex Bolt
-
Carbon Steel Bolt
-
High Tensile Stainless Steel Bolts
-
Carbon Steel Nuts
-
Stainless Steel Nut
-
Steel Flat Washer
-
Spring Steel Washers
-
Stainless Steel Washer
-
Fully Threaded Studs
-
Non Standard Fasteners
-
Seismic Wedge Anchors
-
Self Tapping Screw
-
Electrical Fasteners
-
Solar Panel Fasteners
-
Stainless Steel Shackle
-
BOSSARDThis is our European partner
-
LiIt's a good business
Carbon steel galvanized Anglo - American half - round head square neck bolts 1/4

Contact me for free samples and coupons.
Whatsapp:0086 18588475571
Wechat: 0086 18588475571
Skype: sales10@aixton.com
If you have any concern, we provide 24-hour online help.
xMaterial | 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 |
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
- QBH brand sales to the main quality assurance.
- Years of export trade management, excellent service, word-of-mouth guarantee.
- By working with TUV,escort for quality.
- Customization of non-standard parts can be made according to customer's requirements and drawings.
- For quality customers,we can provide a certain credit period.