19YRS
STAMPINGMASTERS ENTERPRISE CO., LTD.
886-3-4527557
886-3-4511072
No.20, Xinbeiyuan Rd., Zhongli Dist., Taoyuan City 320, Taiwan
www.tohatsu.com.tw

Products

Engineering Plastic Washers
Washer (Material: RENY / PEEK / PPS)
QCMA SCFA SSPA

Washers, also known as washers, are parts that are usually used to pad between the connector and the nut.
The main purpose is as a spacer to protect the surface of the connected parts from being scratched by the nut, to disperse the pressure of the nut on the connected parts, and to reduce the detachment caused by vibration.
Common materials: steel, stainless steel, copper, aluminum, iron, plastic, titanium
Main application industries: industry, mold, equipment...etc
Washers can be divided into three types
1. Flat washer
Function: Prevent the surface damage of the connector, increase the contact area and disperse the pressure.
2. Spring washer
Function: used to flexibly prevent loosening and vibration.
3. Anti-loose washers
Function: To prevent the loosening of the connector and prevent the rotation of the screw.

A gasket is a mechanical seal between two objects, usually used to prevent pressure, corrosion, and pipeline leakage between the two objects.
Since the machined surface cannot be perfect, the irregularities can be filled with spacers.
Main use: sealing of pipe flanges, valves, pumps, pressure vessels, etc. some professional equipment
The main application industries are petrochemical, refining, electric power, metallurgy, manufacturing and other industries

Engineering plastics
Features such as insulation, non-magnetic, corrosion resistance, never rust Strength, impact resistance comparable to metal
1. Medical equipment industry (insulation, non-magnetic, environmental protection, anti-interference, make medical equipment safer to use)
2. Wind power industry (isolation and insulation of chassis circuit PCB board)
3. Aerospace industry (insulation and anti-interference on electronic equipment)
4. Office equipment industry (never rusted, beautiful and practical)
5. Petrochemical industry (high temperature resistance, chemical resistance, corrosion resistance, prolong the service life of equipment)
6. Electronics industry (insulation, anti-interference, light weight)
7. Communication industry (insulation, non-magnetic, safety)
8. Shipbuilding industry (acid resistance, alkali resistance, corrosion resistance, prolong service life)

Specification

塑膠螺絲材質特性表/Plastic material characteristics table
  PC PPS RENY PEEK PVC PI PP PTFE PFA PVDF 陶瓷/CERAMIC PA POM
輕量性              
吸水性          
耐煮沸水性      
耐低溫      
強韌性          
抗蠕變性      
抗老化        
難燃性        
抗電性      
耐磨耗        
高強度            
耐藥性              
耐熱性              
品號
Product No.
材質+處理
Material + Surface Treatment
內徑
Inner diameter
外徑
Outer diameter
厚度
Thickness
QCMA3 RENY 3.2 7 0.5
QCMA4 RENY 4.3 9 0.8
QCMA5 RENY 5.3 10 1
QCMA6 RENY 6.4 12.5 1.6
QCMA8 RENY 8.4 17 1.6
QCMA10 RENY 10.5 21 2
QCMA12 RENY 13 24 2.5
SCFA3 PEEK 3.2 7 0.5
SCFA4 PEEK 4.3 9 0.8
SCFA5 PEEK 5.3 10 1
SCFA6 PEEK 6.4 12.5 1.6
SCFA8 PEEK 8.4 17 1.6
SSPA3 PPS 3.2 7 0.5
SSPA4 PPS 4.3 9 0.8
SSPA5 PPS 5.3 10 1
SSPA6 PPS 6.4 12.5 1.6
SSPA8 PPS 8.4 17 1.6

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