DIN7504 Hex Washer Lange Head Self Drilling Screw

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Product Description

Product Name

DIN7504 Hex Washer Lange Head Self Drilling Screw

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.


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1. Reliable Supplier

2. High Quality

3. Standard Producing Technology

4. Competitive Factory Price

5. Fast Delivery


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Q:Screw, nut, gasket connection order is how ah, elastic gasket and cushion under what circumstances should be placed on the
The effect of several kinds of flat pad, a height adjustment bolt or nut in the side is convenient; two is to increase the contact surface, flat pad at the ends of the more; three is the stable friction coefficient, flat pad on both sides, and tighten the pad is not allowed to transfer medium; four is to prevent injury to pull bolt, in order to prevent stress concentration, the bolt head and the bolt six transition angle bar has great chamfer hole chamfering small, tighten the bolts if the head injury, this washer the chamfered surface into the six hexagon head bolts can be avoided.
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: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:How to determine the number of washers
The axial shim changes need to take into account:Disc cleaning frame;After the extreme speed, the angle of the disc flywheel will not fall off the chain: a) in the largest piece of the disc in the disc, the largest piece of flywheel b) chain in the smallest piece of the disc, the flywheel in the smallest piece.
Q:A general set of screws have a few nuts, bolts, washers?
You want to see the specific requirements and uses. There is also a nut, a bolt, and a flat pad
Q:How did the screw twist?
Add some oil, Runhua for a while, it is easy to remove. Change the new screw
Q:How does the screw rust die?
Red: some of the top of the device screw corrosion to take shape, can not use wrenches, wire clamp discharge, both the impact method. First with a hammer and through the top of the cone in the vertical direction of the screw impact of a v-shaped groove. Then, adjust the chuck angle, along the direction of the screw out of the impact, see Figure 2. To be loose, you can use the wire clamp to screw out the screw. "A" or "ten" when the screw slide, you can also use this method, combined with the wire clamp screw out the screw.
Q:High-strength screw standard parts of the quality of what data
High strength bolts are used for connecting bridges, rails, high pressure and ultrahigh pressure equipment.
Q:What are some of the common fastener products?
There is also a fastener called "pin" This fastener is generally used to locate the parts, and sometimes can also be connected to the fixed role, in addition to a part can be used to transmit power or lock other fasteners.
Q:I would like to ask the car transmission inside the thrust washer (thrust washer) is used to do ah?
Figure 3 thrust washers, 4 needle bearings, thrust washers to prevent excessive wear of the main bearings, the usurper.

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