Thread Rite Screw Products - Fasteners Thread Rite Screw Products - Fasteners Thread Rite Screw Products - Fasteners Thread Rite Screw Products - Fasteners Thread Rite Screw Products - Fasteners
Thread Rite Screw Products - Fasteners Thread Rite Screw Products - Fasteners
Thread Rite Screw Products - Fasteners
Thread Rite Screw Products - Fasteners
Thread Rite Screw Products - Fasteners
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Ring Pins

Ring Pins

RIng PinsConvenient removable pin designed with a cotter hole for a secure application. Used typically with a hair spring
cotter, this fastener offers fast and secure adjustments or assemblies. Available with or without a stop collar in various styles and sizes.

Ring Pins
Standard material is 12L14 carbon steel, zinc plated. Higher carbon steel which can be treated is available or corrosion-resistant stainless on request.

 

 

Ring Pin Specs
A
Nominal Pin Dia.
Diameter Tolerances Before Plating Cold Finished Rounds
Pull Ring Dia. (Inches)
End Chamfer Length x 15� (Inches)
Pivot Point Standard Hole Diameter
Carbon Steel
Stainless
3/16 .1855-.1875 .1865-.1885 7/8 0.078 3/32
1/4 .2480-.2500 .2490-.2510 1 0.094 3/32
5/16 .3105-.3125 .3110-.3140 1 0.125 1/8
3/8 .3730-.3750 .3735-.3765 1 0.141 9/64
7/16 .4355-.4375 .4360-.4390 1 0.156 5/32
1/2 .4980-.5000 .4980-.5020 1-1/4 0.172 5/32
5/8 .6230-.6250 .6230-.6270 1-1/4 0.188 5/32
3/4 .7480-.7500 .7480-.7520 1-1/2 0.188 3/16
 Plating will typically add ".0002""- .0005" to diameter.
Washer Collars.
Standard zinc-plated flat washers stamped firmly into a groove for a permanent stop. Assembly is completely plated.
RIng Pin Washer
Fits Pin Dia.
USS Standard Washer Dimensions (Inches)
Size
I.D.
O.D.
Thickness
3/16 5/32* 3/16 7/16 0.047
1/4 3/16 1/4 9/16 0.047
5/16 1/4 5/16 3/4 0.062
3/8 5/16 3/8 7/8 0.078
7/16 3/8 7/16 1 0.078
1/2 7/16 1/2 1-1/4 0.078
5/8 9/16 5/8 1-1/2 0.109
3/4 9/16 3/4** 1-1/2 0.109
*SAE Standard for No. 8 **Bored to fit.        
Crimp Collars.
Crimp collars are small diameter retaining rings made of ductile 1010 carbon steel. Pressed into a groove the collar is generally free to rotate, yet strong against end thrust. Assembly is completely plated.
  Crimp Collars
A
Fits Pin Dia.
Groove Dimensions
Ring Dimensions
B
Width
C
Depth
W
Width
D
O.D. Installed
3/16 0.034 0.031 0.031 0.250
1/4 0.034 0.031 0.031 0.312
5/16 0.043 0.031 0.039 0.406
3/8 0.052 0.031 0.047 0.500
7/16 0.060 0.031 0.055 0.594
1/2 0.069 0.031 0.063 0.688
5/8 0.086 0.039 0.078 0.859
3/4 0.103 0.047 0.094 1.031
Tolerances +(-).002 +(-).002 +.002/-.004 Ref.
Headed Collars.
One piece cold formed pin and collar for the highest durability.
  Headed Collar
A
Collar Dia.
B
Collar Height
C
5/16 .090 .50
7/16 .090 .50
1/2 .090 .75
5/8 .100 .75
3/8 .125 .75
7/8 .125 .75

 

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