DIN7504 Phil Recessed Countersunk head Self-Drilling Tapping Screws

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Product Description

Product Name

DIN7504 Phil Recessed Countersunk head Self-Drilling Tapping Screws

Material

Carbon Steel, Stainless Steel 201/ 304/ 316  or others.

Size

8#-18*13 ~  14#-14*125

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


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Q:Engineering argument, usually referred to as the M3 screw, M refers to what is the meaning? The Please instruct the engineering staff.
International Metric Thread System: The national standard CNS adopts the thread. The crest is flat and easy to be turned. The tooth bottom is rounded to increase the thread strength. The thread angle is 60 degrees. The specification is expressed by M Metric thread can be divided into two kinds of coarse and fine teeth, such as M8x1.25 (M: code: 8: nominal diameter .1.25: pitch).
Q:Screw production process is how the kind of
This is very simple, the screw wire is generally based on the size of the screw into the back, and then according to the order processing, starting - rubbing teeth - plating - packaging on the success
Q:How to remove when the screw is not threaded
It seems that you do not call the thread. It seems nothing better way. You can drill a little deep groove ah
Q:What are the technical requirements for fasteners?
1, the product used by the material (the available material is too much to see what your company to ask) 2, the accuracy of the thread (bolt type of external thread is generally 6g, nut class internal thread is generally 6h) 3, surface treatment Stainless steel materials generally do not do treatment, carbon steel, color, galvanized, Dacromet, nickel, chrome, etc.) 4, product tolerances before the surface treatment or surface treatment of the above is the standard parts of the standard, But also depends on the actual use, we must deal with the landlord.
Q:How do you choose the appropriate gasket for bolt or screw connection?
Bolt or screw connection according to its specifications (usually nominal diameter) to choose the appropriate gasket.The specifications of the corresponding gaskets are corresponding to the specifications of the screw bolts.Bolt: a type of fastener consisting of two parts, the head and the screw (with the outer thread of the cylinder), which must be matched with the nut to fasten the connection between the two parts with a through hole.Because the bolt is also a kind of railway accessories, railway accessories is an integral part of the railway line, which refers to the rail, including rail, sleeper, connecting parts, ballast, anti climbing equipment, rail support and switches, etc..As a whole engineering structure, the track is laid on the roadbed, and it plays a guiding role in the train operation, and it directly bears the great pressure of the locomotive and its load. Under the dynamic action of the train, its various components must have enough strength and stability, ensure the train in accordance with the provisions of the highest speed, safe, stable and uninterrupted operation.
Q:No cross screwdriver, how can the screwdriver screwdriver?
Some nail holes have depth, you can use the female (black vintage kind) steel wire card flat steel filing with a file to repair a little more can be a little more, if the nail in the plane, The use will also be on the.
Q:What are some of the common fastener products?
Assembly This fastener is used to assemble the supply, for example, can be a machine screw and flat washers combined use; connection of this fastener is to love you a special bolt, nuts and washers Combined use, for example, steel structure with high strength hexagon head bolts connected vice.
Q:Is the tail screw? If it is mainly used in what place? If not what are they different?
This kind of screw called what I really do not know its name, the use of the place to see really not much, I see the place are generally used in machinery and equipment above, as you said what role, my personal point of view is To prevent slipping, because it is the head of a large slip wire, need to hand to adjust to the correct position to fall off, know that so much, not professional, Oh ~ hope to help you! The
Q:201 stainless steel gasket and 304 stainless steel gasket which is soft
304 relatively softOur company can produce. Kazakhstan
Q:Screw hole slip wire how to do?
Slippery wire that has been broken thread, once the damage is not possible to repair

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