Rounded 304 316 Stainless Steel Wing Screws DIN 316

Place of Origin CHINA
Brand Name QBH
Certification ISO9001
Model Number M3-M16
Minimum Order Quantity 500kg
Price Negotiation
Packaging Details 25kg Carton+900kg/Pallet or 5KG/CTN
Delivery Time 30days
Supply Ability 200TON/MONTH

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Product Details
Standard DIN316 Material 304,316
Size M3-M16 Product Name Butterfly Bolt
Sample Free Sample Thread Coarse Thread And Fine Thread
Package Individualized Packaging Advantage We Can Manufacture According To Client Design,OEM / ODM / Customized Service Provided
Oem Yes,welcome
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Rounded Stainless Steel Wing Screws


DIN 316 Stainless Steel Wing Screws


Rounded Stainless Steel Wing Bolts

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Product Description

Stainless Steel DIN 316 D - Wing Screws With Rounded Wings


Wing screws are generally used in construction applications to allow users to make direct adjustments and change calibrations. These screws feature flat projections called the ‘head' on the side of the screws. This provides natural leverage turning and ensures that the pressure on the fingers is evenly distributed and there is no pain while adjusting an instrument. If an application requires frequent access and tightening between each use, then wing screws from QBH Fasteners will get the job done for you.

These screws come in a wide range of sizes to meet all your fastening need. It is also made out of stainless steel, alloy steel and carbon steel materials which ensures that it is corrosion resistant and durable. Another advantage of these screws is the easy installation process which can be followed to set it up. It requires no special assembly and therefore used mostly in consumer products as it can be assembled quickly.




DIN 316A, DIN 316D


Rounded 304 316 Stainless Steel Wing Screws DIN 316 0


Rounded 304 316 Stainless Steel Wing Screws DIN 316 1


Rounded 304 316 Stainless Steel Wing Screws DIN 316 2


Rounded 304 316 Stainless Steel Wing Screws DIN 316 3


Rounded 304 316 Stainless Steel Wing Screws DIN 316 4


Wing Bolts, or Wing Screws, featured elongated ‘wings’ that are designed to be easily operated by hand.

They can be used with Wing Nuts to create an exceptional fastening that can be adjusted from various positions.

Available in A2 and A4 stainless steel as standard, with a range of finishes such as chemical black coating also available. Other materials and finishes are available as specials.

Created to DIN standard 316 AF, Wing Bolts host lengths ranging from 10mm to 60mm, with varying wing widths also available.

Please contact us with your requirements to further your



Product Grade


A2-70 A2-80 A4-70 A4-80



Materials and Chemical compstition


Type C Si Mn P S Ni Cr Mo Cu
201Cu 0.08 1.00 7.5-10 0.06 0.03 4.00-6.00 14.0-17.0   2.0-3.0
201 0.15 1.00 8.50 0.06 0.03 3.50-5.50 16.0-18.0    
202 0.15 1.00 7.5-10 0.06 0.03 4.00-6.00 17.0-19.0    
301 0.15 1.00 2.00 0.045 0.03 5.00-8.00 16.0-18.0    
302 0.15 1.00 2.00 0.045 0.03 8.00-10.0 17.0-19.0    
0.08 1.00 2.00 0.045 0.03 8.50-10.5 17.0-9.00   3.0-4.0
303 0.15 1.00 2.00 0.20 ≥0.15 8.00-10.0 17.0-19.0 ≤0.60  
304 0.07 1.00 2.00 0.035 0.03 8.00-10.0 18.0-20.0    
304HC 0.08 1.00 2.00 0.045 0.03 8.00-10.0 17.0-19.0   1.0-3.0
304M 0.08 1.00 2.00 0.045 0.03 8.50-10.0 18.0-20.0    
316 0.08 1.00 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.0-3.0  
0.03 1.00 2.00 0.045 0.03 12.0-15.0 16.0-18.0 2.0-3.0  
0.03 1.00 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.0-3.0  
321 0.08 1.00 2.00 0.045 0.03 9.00-13.0 17.0-19.0   Ti≤5*C%
2520 0.08 1.00 2.00 0.035 0.03 19.0-22.0 24.0-26.0    
















































Packing in small boxes according to customer’s requirements

Packing in plastic bag according to customer’s requirements







EURO Pallet







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.


1. How do you let me trust you.
Jiaxing City Qunbang Hardware Co.,ltd hs its own right of import and export,QBH trademark in China,United States,European Union have been registered.At the same time,you can also check the registration information of our company in the China industry and Commerce system.
2. How about your price.
We will be based on different markets,for different quality and quantity,tailor-made prices for customers,in order to achieve win-win goal.
3. How do you control your quality.
Incoming quality contral( IQC)→Process Quality control(PQC)→Output quality control(OQC),and the random samples is sent to TUV for testing.If the customer received the goods and found quality problems,QBH company promises to be responsible for returning money or replenishing the goods
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?
QBH company can accept small orders if we have them in stock.Generally speaking,the stock probability of stainless steel fasteners is higher than that of carbon steel fasteners.
6. How about your delivery time
What we pursure is the high efficiency movement pattern,the stainless steel fastener delivery time about 15days,the carbon steel fastener will it about 30days
7. What is your packing.
Usually 25KG/carbon,36CTNS on the pallets,or 20-30kg/Bags,then on the pallet,QBH company personalized packagingis also available,like 10PCS/plastic bag or 10pcs/box,it can print some information
such as LOGO and pattern of customers.
8. What is your payment term
Normally,our terms of payment are TT and L/C,if we cooperate for a long time,we can reach the point of mutual trust,and fully support our customers to become bigger and stronger in the local market.
Not only in the price concessions,but also in the payment can also be made on credit,Specific credit sales time needs to be negotiated separately