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.316 Insulating Washers (Flat)

*Slightly Chamfered to Permit Smooth Entry / Fit.

Build Part Number
Material & Shape
Tolerances		 All Technical Data
Worksheet Helper
Conversion Chart		 Metric Insulating Washers
Standard Insulating Washers
.316 Inside Diameter - For 5/16" Fasteners
CHOOSE and write down your PART NUMBER
then Go to Skip Step 1
Part Number A C D Part Number A C D Part Number A C D  
WF3701 .437 .031 .316 WF3721 .625 .062 .316 WF3741 .812 .125 .316  
WF3702 .437 .047 .316 WF3722 .625 .093 .316 WF3742 .812 .156 .316  
WF3703 .437 .062 .316 WF3723 .625 .125 .316 WF3743 .875 .031 .316  
WF3704 .437 .093 .316 WF3724 .625 .156 .316 WF3744 .875 .047 .316  
WF3705 .437 .125 .316 WF3725 .687 .031 .316 WF3745 .875 .062 .316  
WF3706 .437 .156 .316 WF3726 .687 .047 .316 WF3746 .875 .093 .316  
WF3707 .500 .031 .316 WF3727 .687 .062 .316 WF3747 .875 .125 .316  
WF3708 .500 .047 .316 WF3728 .687 .093 .316 WF3748 .875 .156 .316  
WF3709 .500 .062 .316 WF3729 .687 .125 .316 WF3749 .937 .031 .316  
WF3710 .500 .093 .316 WF3730 .687 .156 .316 WF3750 .937 .047 .316  
 
Part Number A C D Part Number A C D Part Number A C D  
WF3711 .500 .125 .316 WF3731 .750 .031 .316 WF3751 .937 .062 .316  
WF3712 .500 .156 .316 WF3732 .750 .047 .316 WF3752 .937 .093 .316  
WF3713 .562 .031 .316 WF3733 .750 .062 .316 WF3753 .937 .125 .316  
WF3714 .562 .047 .316 WF3734 .750 .093 .316 WF3754 .937 .156 .316  
WF3715 .562 .062 .316 WF3735 .750 .125 .316 WF3755 1.000 .031 .316  
WF3716 .562 .093 .316 WF3736 .750 .156 .316 WF3756 1.000 .047 .316  
WF3717 .562 .125 .316 WF3737 .812 .031 .316 WF3757 1.000 .062 .316  
WF3718 .562 .156 .316 WF3738 .812 .047 .316 WF3758 1.000 .093 .316  
WF3719 .625 .031 .316 WF3739 .812 .062 .316 WF3759 1.000 .125 .316  
WF3720 .625 .047 .316 WF3740 .812 .093 .316 WF3760 1.000 .156 .316  
Tolerances
A Major Diameter + .010 / - .005
C Thickness .015  through  .063  ±  .003
.064  through  .091  ±  .006
.092 up  ±  .009
D Inside Diameter + .010 /  - .000
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UNICORP is a worldwide leader in manufacturing stock & custom electronic hardware, handles
 & precision fasteners used by leading companies in nearly every industry since 1971.
 
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