ttyu1117

About

Product introduction
Cross countersunk head tapping screws, also known as cross flat head tapping screws, mainly because its head is flat, countersunk, and the thread is self-tapping. Of course, the thread also has flat-tail self-tapping and pointed tail self-tapping Offensive.
Product parameter (specification)
Mon ST2.2 ST2.9 ST3.5 ST4.2 ST4.8 ST5.5 ST6.3 ST8 ST9.5
P 0.81.11.31.41.61.51.82.12.1
a max 0.81.11.31.41.61.81.82.12.1
dk max 3.85.57.38.49.310.311.315.818.3
dk min 3.55.26.988.99.910.915.417.8
k max 1.11.72.352.62.833.154.655.25
No. 012223344
M 1.93.24.44.65.26.66.88.910
t min 0.91.71.92.12.72.8345.1
t max 1.22.12.42.63.23.33.54.65.7
Product feature and application
Cross countersunk head tapping screws,Generally used in electrical equipment, electronic machinery, mechanical equipment, household appliances, digital products, water conservancy projects, decoration construction and so on. Countersunk head self-tapping screws can usually be removed or re-tightened at will without compromising their efficiency. It also provides greater power than screws and can be reused.
Production details
Cross countersunk head tapping screws can also be called flat head screws, countersunk head screws, half countersunk head screws, half countersunk head screws. Generally, the countersunk head screws are cross-groove. Most of the countersunk head screws are made of metal screw wire. After forming, the teeth are rubbed into a cylindrical shape with a flat head, such as an inclined surface around the side of the screw , So that the screw can tightly lock the screw cap or other objects, the top diameter of the countersunk screw is larger, and can be round or hexagonal, allowing tools such as screwdrivers or wrenches to turn the screw.
Production qualification
Our factory mainly produces stainless steel fasteners and various non-standard customized stainless steel products. We have more than 10 technical patent certificates, as well as CE certification, SAC / TC 85, ISO90001, CQM quality certification standard certificates and so on.
Deliver shipping and serving
Package: Cartons & pallets or according to customer's requirement.
We will use cartons and cartons for packaging. Then wooden pallets and wooden boxes will be used for outer packaging. If customers have special packaging requirements, we will do packaging according to customer needs.
Shipping method: We can provide various shipping methods such as sea, air and mail. We can also provide transportation services according to the special needs of customers.
Our services and advantages
1. We are a factory and we have the right and strength to design and produce.
2. Hex head bolt samples are free.
3. We will answer your inquiry within 24 hours.
4. After sending, we will track the product for you every two days until you get the product.
5. When you receive the goods, test them and give me feedback. If you have any questions about our goods, we will provide you with solutions.
FAQ
Q1. Are you trading company or manufacturer ?
A1: We are factory.
Q2. What is your main products? A1:Our main products are fasteners: bolts, screws, rods, nuts, washers. A2:Meantime, our company also produces non-standard stainless steel products according the drawing .
Q3. How to ensure that every process's quality?
A3:Every process will be checked by our quality inspection department which insures every product's quality. In the production of products, we will personally go to the factory to check the quality of products.
Q4. How long is your delivery time?
A4:It depends on if we have stock or not ,if we have the stock goods,we can delivery it within 3 days after receive the payment.And normally our production time is in 20 days for one container (20-26 tons) .
Q5.What is your payment method?
A5:30% value of T/T in advance and the balance 70% before delivery .
Q6.What about the warranty ?
A6:We are very confident in our products,and we pack them very well to make sure the goods in well protection. To avoid any subsequent trouble regarding quality issue,we suggest you check the goods once you receive them.If there is any transport damaged or quality issue,don鈥檛 forget take the detail pictures and contact us as soon as possible,we will properly handle it to make sure your loss to reduce to the smallest .
Q7.Can you provide a sample?
A7:Sure, Our sample is provided free of charge, but not including courier fees.
Q8.Could you send me your catalog and price list ?
A8:As we have more than thousands of products,it is really too hard to send all of catalogue and price list for you .Please inform us the style you interested,we can offer the price for your reference .Self-Tapping Screws suppliers
website:http://www.quintafastener.com/screw/self-tapping-screws/

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