| Customization: | Available |
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| Material: | Stainless Steel |
| Shape of Head: | Hexagon |
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Product Standard
| Thread specification d |
ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST6.3 | |
| P | Thread pitch | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 |
| a | Max | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 |
| dc | Max | 6.3 | 8.3 | 8.8 | 10.5 | 11 | 13.5 |
| Min | 5.8 | 7.6 | 8.1 | 9.8 | 10 | 12.2 | |
| c | Min | 0.4 | 0.6 | 0.8 | 0.9 | 1 | 1 |
| s | Max=Nominal | 4 | 5.5 | 7 | 8 | 8 | 10 |
| Min | 3.82 | 5.32 | 6.78 | 7.78 | 7.78 | 9.78 | |
| e | Min | 4.28 | 5.96 | 7.59 | 8.71 | 8.71 | 10.95 |
| k | Max=Nominal | 2.8 | 3.4 | 4.1 | 4.3 | 5.4 | 5.9 |
| Min | 2.5 | 3 | 3.6 | 3.8 | 4.8 | 5.3 | |
| kw | Min | 1.3 | 1.5 | 1.8 | 2.2 | 2.7 | 3.1 |
| r | Max | 0.4 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 |
| Drilling range (plate thickness) | ≥ | 0.7 | 0.7 | 1.75 | 1.75 | 1.75 | 2 |
| ≤ | 1.9 | 2.25 | 3 | 4.4 | 5.25 | 6 | |
FAQ:
1. Are you a factory or a trading company?
A: We are direct factory and our production line covers all standards and non stands/special screws as per your requirement
2. Where is your factory ?
A: Our factory is in Taizhou,Jiangsu.
3. How long can l get some samples for checking and what about the price?A: For samples we have in stock, we can send you some. lfmake new samples as per your specification, generally speaking, ittakes around 5 working days.
The price of made to print samples will depends on the requirement of material, surface treatment, dimension, etc.Samples costwill be refunded when order quantity reaches to a certain amount.
4.How is the warranty of the products quality control?
A: We hold the tightend quality controlling from very begining to the end and aim at 100% error free.
5. How to get an accurate quotation?Ifyou already have a sample at hand, please send us the existing samples, and we will quote to you once we receive the samples
If there is no sample, please send us the drawing /print ofthe fastener, we will check all the specification including the dimension,surface treatment, material,and our mechanical engineer will evaluate if it will be applied to production.
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