973-674-1700Electronic Hardware, STANDOFFS, Male Female Standoffs, Spacer Standoffs, Male Male Standoffs, Swage Standoffs, Jack Screws, Handles, Captive Panel Screws, Retainers, Thumb Screws, Shoulder Screws, Insulating Washers, Cable Ties.

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Insulating Washers
 Shoulder & Flat
Part Numbers: (WS1001 thru WS1970)  (WF3001 thru WF3849)

  
 
 
 
 
 

 

 

          
       Build Your Part #

Shoulder Washers
Select From These American Standard Dimensions (inches)

  
       Shoulder Length 
       Material & Shape 
       Tolerances

 

          
       Non-Metallic Properties

 

  Select Size Used For Part Number    
       All Technical Data

 

 .055 Inside Diameter............. Size 00 Fasteners WS1001- WS1004    
       Worksheet Helper

 

 .063 Inside Diameter............. Size 0 Fasteners WS1025- WS1040    
       Conversion Chart

 

 .090 Inside Diameter............. Size 2 Fasteners WS1051- WS1086    
       Metric Washers

 

 .101 Inside Diameter............. Size 3 Fasteners WS1101- WS1139    
 

 

 .116 Inside Diameter............. Size 4 Fasteners WS1151- WS1192    


Insulating Washers

 

 .126 Inside Diameter............. Size 5 Fasteners WS1201- WS1242    

 

 .140 Inside Diameter............. Size 6 Fasteners WS1251- WS1295    

 

 .166 Inside Diameter............. Size 8 Fasteners WS1301- WS1357    

 

 .192 Inside Diameter............. Size 10 Fasteners WS1376- WS1417    

 

 .218 Inside Diameter............. Size 12 Fasteners WS1451- WS1528    

 

 .254 Inside Diameter............. Size 1/4" Fasteners WS1551- WS1667    

 

 .316 Inside Diameter............. Size 5/16" Fasteners WS1701- WS1811    

 

 .377 Inside Diameter............. Size 3/8" Fasteners WS1851- WS1970    

 

          
Flat Washers
Select From These American Standard Dimensions (inches)		  

 

  

 

  Select Size Used For Part Number    

 

 .055 Inside Diameter............. Size 00 Fasteners WF3001- WF3003    

 

 .063 Inside Diameter............. Size 0 Fasteners WF3025- WF3040    

 

 .090 Inside Diameter............. Size 2 Fasteners WF3051- WF3078    

 

 .101 Inside Diameter............. Size 3 Fasteners WF3101- WF3136    

 

 .116 Inside Diameter............. Size 4 Fasteners WF3151- WF3200    

 

 .126 Inside Diameter............. Size 5 Fasteners WF3201- WF3235    

 

 .140 Inside Diameter............. Size 6 Fasteners WF3251- WF3300    

 

 .166 Inside Diameter............. Size 8 Fasteners WF3301- WF3360    

 

 .192 Inside Diameter............. Size 10 Fasteners WF3376- WF3440    

 

 .218 Inside Diameter............. Size 12 Fasteners WF3451- WF3501    

 

 .254 Inside Diameter............. Size 1/4" Fasteners WF3551- WF3628    

 

 .316 Inside Diameter............. Size 5/16" Fasteners WF3701- WF3760    

 

 .377 Inside Diameter............. Size 3/8" Fasteners WF3801- WF3849    

 

          

 

  

 

 DIAMETER:  1/8" through 1"
SHAPE:  Round
MATERIAL:  Nylon, Teflon®, Lexan®, Ultem®, Delrin®, Phenolic
LENGTH:  For Head Thickness: wide variety of lengths in 1/64"(.015 through .120)
FLAT WASHER THICKNESS:  .016 through .156
INSIDE HOLE DIAMETER:  Ranging from .055 through .377 for screw sizes 0-80 through 3/8-24. Reamed to + .010 / - .000, conforming to screw tolerances
SHANK LENGTH:  Wide variety of lengths .015 through .490
SHANK DIAMETER:  Machined to + .000 / - .005 assuring precision fit to mating hole
EDGE:  Chamfered to permit smooth entry
FINISH:  Colored material available upon request
TOLERANCE:  Inside hole diameter  + .010 / - .000. All other tolerances  ±  .005
Diameter: Standard commercial bar stock tolerances. Shoulder Washers, Flat Washers- Precision Machined, Not Molded

    

 

    

 

    

 

    

 

    

 

    

 

    

 

    

 

    

 

    

 

    

 

    

 

 MODIFIED PARTS- ENGINEERING ASSISTANCE:
       We offer your firm engineering and design services for customized or modified parts, at no additional charge- please contact our Engineering Department. Contact Us
       Insulating Washers flat-shoulder 1/8" thru 1", 3mm thru 25mm- Lengths: 1/64" thru .1200, .4mm thru 1.6mm- Flat Thickness: .016 thru .156, 0.4mm thru 2.4mm- Hole: .055 thru .377, 0.74 thru .413- Shank Lengths: .015 thru .490, 1mm thru 13mm. Unicorp Washers- round, Nylon, Teflon®, Lexan®, Phenolic, Ultem®, Delrin®.
       Stock 1/8" thru 1", 3mm thru 25mm in lengths of 1/64" increments to eliminate the need for special orders, precision machined, designed to meet the needs of the Electronic Industry for a precision product which is compatible with the rigid requirements of the Aviation, Military, Space, and Industrial Electronics systems.
       These components are manufactured under strict accordance to the quality requisites of Mil-STD-105A.  All materials are supplied in accordance with the appropriate Military or Federal specification. By not molding we are able to eliminate distortion, flash, and brittleness.
    

 

    

 

    

 

    

 

    

 

    

 

    

 

    

 

    

 

    

 

    

 

    
    UNICORP PRODUCTS USED IN:
 • Security • Camera Systems
• Sirens • Remote Controls
• Medical • Telecommunication
• Medical Carts • Coupling Devices
• Computer • PCB mounting
• PC/104 Modules
• Industrial Equipment • Robotic
• Animatronic • Electronic • Military
• Government • Aerospace
• Power Supplies & Conditioning
• Fuel Distribution • Power Supplies
• Custom Screw Machine Hardware
• Control Enclosures
• Integration Systems
• Circuit Board Assembly		 • Airline • Aircraft • Slot Machines
• Marine • Entertainment
• Power Enclosures
• Musical Instruments
• Signs • Food Supply • Furniture
• Vending Machine
• Climbing • Archery • Firearms
• Ski • Snow Board Equipment
• Instrumentation • Commercial
• Fabrication • Construction
• Custom Enclosures
• Electronic Enclosures
• Equipment Manufacturing
• Wire and Cable • Exhibits
• Knife Manufacturing
• & Many Other Industries
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 


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Phone:  973-674-1700        Toll Free:  1-800-526-1389        Fax:  973-674-3803

  
 

 

  
 


UNICORP is a leader in manufacturing stock and custom
electronic hardware, handles and precision fasteners used by leading companies
in nearly every industry since 1971.


291 Cleveland St,  Orange,  New Jersey  07050  USA
Mailing Address:  P.O. Box 280,  Orange,  New Jersey  07051-0280  USA

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 Electronic Hardware, STANDOFFS, Male Female Standoffs, Spacer Standoffs, Male Male Standoffs, Swage Standoffs, Jack Screws, Handles, Captive Panel Screws, Retainers, Thumb Screws, Shoulder Screws, Insulating Washers, Cable Ties.