DIN7504 Phil Recessed Shallow Flange Head Self-Drilling Tapping Screws

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Product Description:

Product Description

Product Name

DIN7504 Phil Recessed Shallow Flange 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:M3 screw and M6 screw length, diameter is how much
M3 means that the large diameter (external thread is the outer diameter) is 3. Of course with M3 nut, the length of a move does not include the nut. Thread section length is also another specification. M6 indicates a nominal diameter of 6 mm and indicates that it is a standard pitch coarse thread.
Q:what are the Fasteners Selection Specification
Specification is: can not affect the performance of the product being used, and fully guarantee the effect of fastening.
Q:What are the advantages and disadvantages of car audio modification, wood washer and plastic washer?
The plastic washer is made of plastic, plastic washer at home, also known as plastic washers, washers (Washers) resin, plastic washer or nylon washer (the most common domestic market is mostly made of plastic washer nylon 66). Compared with metal gaskets, it has excellent insulation, corrosion resistance, thermal insulation and non magnetic properties, and light weight, widely used in semiconductor, automotive, aerospace industry and interior decoration and other fields. The number of materials used as many as 10 kinds, including PA66, PC, with the best performance of special engineering plastics PEEK, with glass fiber reinforced RENY and PPS, fluorine resin PTFE, PFA and PVD, etc..Wood washer to prevent resonance, but not waterproof.
Q:Are there any positive and negative points on the flat washer?
In fact, the reason is very simple, smooth side in the beautiful, no corners in the next, the pressure is small, small damage to the workpiece.
Q:Specific conditions for use of spring washers
The inner tooth elastic washer and the outer tooth elastic washer circle are provided with a plurality of sharp elastic teeth which are pressed on the supporting surface, which can prevent the loosening of the fastener. The inner tooth elastic washer is used for the screw head with smaller head size. The elastic washer with teeth is smaller than the ordinary spring washer, and the fastener is even and reliable to prevent the looseness. Wave spring washers GB: GB/T 7246-1987 wave washers are divided into WG, WL type and WN type WG type WG type wave washer: wave washers for open type elastic washer, it usually can be installed in a small space, such as to reduce bearing prestress bearing running noise, improve the operation accuracy and stability of bearing there are also applications.
Q:What fasteners are manufacturers in China?
(13) Ningbo Xingyi Fasteners Co., Ltd. (14) Fu Ao Auto Parts Co., Ltd. Fasteners Branch;(15) Dongfeng Automobile Fastener Co., Ltd.
Q:Why are the screws of the screw?
I have not heard the concept of non-standard thread, because the thread is used to assemble, so the lathe in the car thread, the amount of feed and other parameters are given.
Q:When do flat washers use GB95 when using GB97.1?
Flat washers are usually thin pieces of various shapes, used to reduce friction, prevent leakage, isolation, to prevent loose or disperse pressure. Such components are used in many materials and structures to perform similar functions. Due to the limitation of the material and the process of the threaded fastener, the supporting surface of the bolt and the like is not large, so that the surface of the connecting piece is protected by reducing the compressive stress of the bearing surface.
Q:Why do some nuts and washers, and some nuts without washers
This is according to the requirements of the guests. Some need to add, some do not need to add
Q:What is the meaning of the gasket / gasket material bar 200HV?
Should be less than 200HV, which is gasket, should consider the tightness, high hardness of the seal is not good!

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