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1/2"-20 S.O Drain Plug 3/4 '' Hex With Flange

Jiaxing Dexun Co.,Ltd.
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Jiaxing Dexun Co.,Ltd.

1/2"-20 S.O Drain Plug 3/4 '' Hex With Flange

Country/Region china
City & Province jiaxing zhejiang
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Product Details

 

1/2"-20 S.O Drain Plug 3/4

 

Description

 

1/2"-20 S.O Drain Plug 3/4''

No.DX004

 

Thread Pitch: 1/2"-20

Head Size: 3/4" (18.8mm)

Total Length: 21.7mm

Shaft Length: 14.8mm

Commonly used on Chrysler, Ford, Mazda & VW vehicles

If you have more questions, please contact us or send us an email!

 

Manufacturer:DEXUN
Code:DX004
Product:1/2"-20 S.O Drain Plug 3/4''
Bolt Head-/Nut Design:hexagon
Length :21.7mm
Material:steel /customizable
Surface:customizable

 

 

 

1. Lock the same plane. If there are more than two screws, one by one is required

 

Take the stands. Most of the front cover of the bracket is locked by 2-4 screws. When locking four or more screws on the same plane, they should be tightened diagonally one by one. We can't tighten one screw directly at a time. We should tighten them one by one several times. When there are 2-3 screws in the same plane, they must also be locked evenly.

 

2. Replace damaged and seriously rusted screws and tools in time

 

Some socket head screws will gradually become round after being loosened / tightened several times or locked excessively. Please replace it in time, otherwise it will be difficult to disassemble or the hexagonal groove will be completely rounded when it is locked. The hexagon wrench can also be used for many times, and it will cause great damage to the screw if it is not replaced in time.

 

Excessive rust on the strength of the screw will be affected, and it needs to be replaced. If it breaks during use, it may cause danger.

 

 

Quality:

image

Factory:

image

 

How Are Screw Fasteners Produced?

1.The metal materials for screw manufacturing generally use the wire rod which has been made into screw award in advance. Because the wire rod will deform and become thick after forging, we should select the wire rod with slightly smaller screw shaft according to the demand.

 

2. The screws and wires of the line diode which are transported to the proper length position are straightened through the machine and then transported to the cold heading machine

 

3. The first punch moves to make the wire ready to form, and then the second punch moves to forge and press the wire again to form the finished product. In the cold heading process, the number of fixed dies (pressing dies) and stamping (flattening) dies (punches) are not the same. Some complex screws may need multiple punches to form, which requires multi station equipment to form screws.

 

4. After the movement of the punch, the head of the screw has been completed, but the part of the screw shaft is not threaded. The forming method of the screw thread tooth is to rub the thread. Thread rolling is a kind of cylindrical blank formed by multi station or heading machine by using two relatively rotating thread rolling die (rubbing plate) with thread teeth engraved.

 

5. After starting and rubbing the teeth, the whole screw has been produced. Of course, in order to make the appearance of the screw brighter and better performance, the surface treatment process is usually done. Such as stainless steel screw cleaning passivation, carbon steel screw surface plating and so on. Make screws and fasteners of various colors.

 
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