DIN7504 Phil Recessed Pan head Self-Drilling Tapping Screws

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Product Description

Product Name	DIN7504 Phil Recessed pan head Self-drilling Tapping Screws
Material	Carbon Steel, Stainless Steel 201/ 304/ 316 or others.
Size	8#-1813 ~ 14#-14125
Standard Model	DIN ANSI JIS ASTM
Min Order	1000piece/ pieces

Packaging & Shipping

Packing	Inner Box + Carton Box + Pallet or Under Your Requirement
Supply capacity	10000000 piece/ pieces per month
Delivery time	5~20 days after deposit
Export market	Asia, America, Europe, Africa, markets.

Our Services

1. Reliable Supplier
2. High Quality
3. Standard Producing Technology
4. Competitive Factory Price
5. Fast Delivery

1. Reliable Supplier

2. High Quality

3. Standard Producing Technology

4. Competitive Factory Price

5. Fast Delivery

Product Picture：

DIN7504 Phil Recessed Pan head Self-Drilling Tapping Screws

Q: What is the difference between Chinese-made screws and US screws?: China-made screws and the United States is no essential difference between the screws, and now the world are using the screws in China.

Q: How does the screw twist?: It depends on what your screw is the type of friends, if more than 8mm, we generally use, in the above welding a rod.

Q: The mirror under the mirror put the toilet glass is broken, the original screw rust deformation, and pulled out. How to rust the screw: That you can break before and after some of the expansion do not drip the oil or else you use the pliers light slippery when there is an empty time with a word screwdriver to feel almost when the pliers can be used

Q: Is the tail screw? If it is mainly used in what place? If not what are they different?: Normally, it should be called drilling screws, screws are the use of the object of the circular circular rotation and friction of the physical and mathematical principles, step by step to tighten the tools of the tools. Drilling screw is the front of the screw with self-tapping the head of the wood screws. Screw is thousands of years of people in the production of common inventions, according to the application field, it is the first major inventions of mankind. Drilling screws are in recent years people's new invention, also known as self-tapping screws. Main steel for connecting between the need for ordinary or high-strength bolts, plates with self-tapping screw connection. It can not be used for metal and metal bonding.

Q: Nominal diameter 12 washers, outside diameter?: flat washer is usually thin pieces, with different shapes are used to reduce friction, prevent leakage, isolation, to prevent loosening or dispersed pressure.Flat washer is mainly used to decrease the pressure, when some parts of the screw down the axial force is very big, easy to make the pressing dish washer, then can use material and improve the hardness to solve.

Q: What are all the fasteners?: Go to the professional fastener website to learn it! Really too much, too hard to classify. I hope I can help you.

Q: Stud that head or nut that ah, I need to have the authority of the provisions of the document, please know that the prawns are told, thanks to!: In the "mechanical design manual" in detail. Usually the washer is placed on the side of the nut, and a flat gasket connection than no washer connection strength is larger; the elastic washer relaxing, flat washers and spring washers if used at the same time should be placed between the elastic washer flat washer and nut.

Q: Will the stainless steel fastening standard parts of the national standard code and name?: Fasteners with the material does not matter the standard, and now the most commonly used national standards and names corresponding to the following GB5783, full-tooth hexagonal screws GB70, hexagonal hexagon head screw GB818, pan head cross slot screw GB819, countersunk head cross slot screw GB845, pan head cross slot self-tapping nail GB846, countersunk head trough self-tapping nail GB6170, ordinary hexagonal nut GB889, nylon lock nut GB96, flat pad GB93, spring pad GB869, countersunk head rivets

Q: Our company to purchase a number of fasteners to see when the CAD drawings in the technical requirements I do not know the specific to write those content: Fasteners are generally standard parts, have national standards (except for special requirements)