50mm Length Plain Color DIN6921 Stainless Steel 304 316 Hex Flange Bolt

50mm Length Plain Color DIN6921 Stainless Steel 304 316 Hex Flange Bolt

Product Description

Stainless steel hexagonal flange bolts, made of stainless steel material, the standard is DIN6921. Flange bolts are made of hexagonal head and flange. They are used to fasten and connect the through hole parts of two bolts. According to the position of flange bolts, the size and requirements of discs are different, and the anti-slip effect of flattened teeth and teeth are also included. The surface color is of color. It can also be divided into white, green, yellow and corrosion resistant Dacromet coatings according to different needs. The company operates fasteners for many years, has rich experience, high quality, and has a professional testing agency, providing relevant testing certificates, and can be customized according to customer needs and drawings. Customers are welcome to come to consult and buy.

More details

Application

The head of hexagonal flange bolt is composed of hexagonal head and flange face. The word ratio of support area to stress area of hexagonal head bolt is larger than that of ordinary hexagonal head bolt. Therefore, this kind of bolt can withstand higher preload and has better anti-loosening performance. Therefore, it is widely used in automobile engines, heavy machinery and other products. Bolts with holes and grooves in the head of hexagonal head can be locked by mechanical method in order to prevent loosening and reliability.

Advantages

1 Flange connections may have to withstand high tensile, compressive, torsional, and shear strength. Carbon steel flanges are a good choice. The nominal pressure is determined not only according to the highest working pressure, but also according to the highest working temperature and material characteristics, not just the nominal pressure greater than the working pressure.

2. A flange is a connection between two large diameter pipes, usually two flanges plus a number of fastening bolts. Carbon steel flanges are flanges made of carbon steel. Low-carbon steel has good plasticity and low strength. When a proper amount of carbon is added, it becomes hard and the plasticity is reduced.

Specification for bolts with six angles and flanges

GB/T5789-1986 six angle flange face bolts increase B series.

GB/T5790-1986 six angle flange face bolts increase series thin rod B class.

GB/T16674.1-2004 six angle flange face bolts small series

GB/T16674.2-2004 six angle flanges bolts, thin teeth series

Six angle flange face bolts national standard GB/T16674.2-2004

The specification of thread is M8*1-M16*1.5, fine thread, performance grade is 8.89.8 10.9 12.9 and A 2-70, product grade is A small hexagonal series fine teeth.

Marking method according to GB/T1237 regulations

Thread specification d=M12*1.25, fine thread, nominal length L=80mm, F or U type selected by the manufacturer, performance grade 8.8, surface oxidation, product grade A small hexagonal series hexagonal flange face bolt marking

Bolt GB/T16672.2 M12 * 1.25 * 80

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RFQ
1. How do you let me trust you.

We have own import & export right, and we are Gold mumber of alibaba and made in china, We get credit
guarantee from Alibaba Group. you can make an order by alibaba to us directly.

2. How about your price.

High quality products with reasonable price. Please give me a inquire, I will quoted you a price for you refer
at once.

3. How do you control your quality.

We request QC inspect every productions links for each bacth goods. And we can provide you MTC and mill
certificate when the goods is finished.

4. Could you provide free samples?

For new customer, We can provide free samples for standard fastener, But the clients will pay the express
charges. For old customer, We will send you free samples and pay express charges by ourself.

5. Do you accept small order?

Sure, we can accept any orders, we keep lots of stock for ALL STAINLESS STEEL FASTENER, CARBON
STEEL NUT AND PART BOLT, Like hex weld nut, cage nut, wing nut, square weld nut, cap nut, hex nut,
flange nut. Metric 8.8Grade, 10.9Grade 12.9Grade Hex bolt and Hex Socket cap screw, Part ASME Hex cap
screw.

6. 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.

7. 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'
requestment

8. What is your payment term

We can accept T/T, LC for general order, Paypal and Western union for small order or samples order.