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4100 Captive Panel Screws
Externally Relieved Body  FSC-5305-120
Available in Hex Head & Round Head

Back To Captive Screws & Retainers Page
*External Thread has a 45 °Angle on External Thread.
Slightly Chamfered to Permit Smooth Entry / Fit.
CHOOSE and write down your PART NUMBER
then Go to     Skip Step 1
Part
No.		 A
Before
Knurl		 B
±
1/64		 C
±
.005		 D
+.005
-.000		 F
±
.005		 G
±
.010		 H
±
.005		 L
REF		 Pitch Thread
4101 .313 .187 .068 .031/.041 .281 .375 .078 .656 40 4 - 40
4102 .313 .187 .068 .031/.041 .281 .437 .078 .718 40 4 - 40
4103 .313 .187 .068 .031/.041 .281 .500 .078 .781 40 4 - 40
4104 .313 .187 .068 .031/.041 .281 .563 .078 .844 40 4 - 40
4105 .313 .187 .068 .031/.041 .281 .625 .078 .906 40 4 - 40
4106 .313 .187 .068 .040/.050 .281 .344 .095 .625 40 6 - 32
4106A .313 .187 .068 .040/.050 .281 .375 .095 .656 40 6 - 32
4107 .313 .187 .068 .040/.050 .281 .437 .095 .718 40 6 - 32
4108 .313 .187 .068 .040/.050 .281 .500 .095 .781 40 6 - 32
4109 .313 .187 .068 .040/.050 .281 .563 .095 .844 40 6 - 32
4110 .313 .187 .068 .040/.050 .281 .625 .095 .906 40 6 - 32
4111 .375 .187 .068 .040/.050 .281 .344 .095 .625 40 6 - 32
4111A .375 .187 .068 .040/.050 .281 .375 .095 .656 40 6 - 32
4112 .375 .187 .068 .040/.050 .281 .437 .095 .718 40 6 - 32
4113 .375 .187 .068 .040/.050 .281 .500 .095 .781 40 6 - 32
4114 .375 .187 .068 .040/.050 .281 .563 .095 .844 40 6 - 32
4115 .375 .187 .068 .040/.050 .281 .625 .095 .906 40 6 - 32
Part
No.		 A
Before
Knurl		 B
±
1/64		 C
±
.005		 D
+.005
-.000		 F
±
.005		 G
±
.010		 H
±
.005		 L
REF		 Pitch Thread
4116 .437 .250 .068 .063 .375 .562 .120 .937 40 8 - 32
4117 .437 .250 .068 .063 .375 .625 .120 1.000 40 8 - 32
4118 .437 .250 .068 .063 .375 .687 .120 1.062 40 8 - 32
4119 .437 .250 .068 .063 .375 .750 .120 1.125 40 8 - 32
4120 .437 .250 .068 .063 .375 .812 .120 1.187 40 8 - 32
4121 .437 .250 .068 .063 .375 .875 .120 1.250 40 8 - 32
4122 .437 .250 .068 .063 .375 .937 .120 1.313 40 8 - 32
4123 .437 .250 .068 .063 .375 1.000 .120 1.375 40 8 - 32
4124 .437 .250 .068 .063 .375 .562 .130 .937 40 10 - 24
4125 .437 .250 .068 .063 .375 .625 .130 1.000 40 10 - 24
4126 .437 .250 .068 .063 .375 .687 .130 1.062 40 10 - 24
4127 .437 .250 .068 .063 .375 .750 .130 1.125 40 10 - 24
4128 .437 .250 .068 .063 .375 .812 .130 1.187 40 10 - 24
4129 .437 .250 .068 .063 .375 .875 .130 1.250 40 10 - 24
4130 .437 .250 .068 .063 .375 .937 .130 1.313 40 10 - 24
Part
No.		 A
Before
Knurl		 B
±
1/64		 C
±
.005		 D
+.005
-.000		 F
±
.005		 G
±
.010		 H
±
.005		 L
REF		 Pitch Thread
4131 .437 .250 .068 .063 .375 1.000 .130 1.375 40 10 - 24
4132 .437 .250 .068 .063 .375 .562 .130 .937 40 10 - 32
4133 .437 .250 .068 .063 .375 .625 .130 1.000 40 10 - 32
4134 .437 .250 .068 .063 .375 .687 .130 1.062 40 10 - 32
4135 .437 .250 .068 .063 .375 .750 .130 1.125 40 10 - 32
4136 .437 .250 .068 .063 .375 .812 .130 1.187 40 10 - 32
4137 .437 .250 .068 .063 .375 .875 .130 1.250 40 10 - 32
4138 .437 .250 .068 .063 .375 .937 .130 1.313 40 10 - 32
4139 .437 .250 .068 .063 .375 1.000 .130 1.375 40 10 - 32
4140 .562 .250 .099 .063 .375 .562 .152 .937 30 12 - 24
4141 .562 .250 .099 .063 .375 .625 .152 1.000 30 12 - 24
4142 .562 .250 .099 .063 .375 .687 .152 1.062 30 12 - 24
4143 .562 .250 .099 .063 .375 .750 .152 1.125 30 12 - 24
4144 .562 .250 .099 .063 .375 .812 .152 1.187 30 12 - 24
4145 .562 .250 .099 .063 .375 .875 .152 1.250 30 12 - 24
Part
No.		 A
Before
Knurl		 B
±
1/64		 C
±
.005		 D
+.005
-.000		 F
±
.005		 G
±
.010		 H
±
.005		 L
REF		 Pitch Thread
4146 .562 .250 .099 .063 .375 .937 .152 1.313 30 12 - 24
4147 .562 .250 .099 .063 .375 1.000 .152 1.375 30 12 - 24
4148 .562 .250 .099 .063 .375 .562 .175 .937 30 1/4 - 20
4149 .562 .250 .099 .063 .375 .625 .175 1.000 30 1/4 - 20
4150 .562 .250 .099 .063 .375 .687 .175 1.062 30 1/4 - 20
4151 .562 .250 .099 .063 .375 .750 .175 1.125 30 1/4 - 20
4152 .562 .250 .099 .063 .375 .812 .175 1.187 30 1/4 - 20
4153 .562 .250 .099 .063 .375 .875 .175 1.250 30 1/4 - 20
4154 .562 .250 .099 .063 .375 .937 .175 1.313 30 1/4 - 20
4155 .562 .250 .099 .063 .375 1.000 .175 1.375 30 1/4 - 20
4156 .750 .250 .129 .063 .375 .562 .175 .937 30 1/4 - 20
4157 .750 .250 .129 .063 .375 .625 .175 1.000 30 1/4 - 20
4158 .750 .250 .129 .063 .375 .687 .175 1.062 30 1/4 - 20
4159 .750 .250 .129 .063 .375 .750 .175 1.125 30 1/4 - 20
4160 .750 .250 .129 .063 .375 .812 .175 1.187 30 1/4 - 20
Part
No.		 A
Before
Knurl		 B
±
1/64		 C
±
.005		 D
+.005
-.000		 F
±
.005		 G
±
.010		 H
±
.005		 L
REF		 Pitch Thread
4161 .750 .250 .129 .063 .375 .875 .175 1.250 30 1/4 - 20
4162 .750 .250 .129 .063 .375 .937 .175 1.313 30 1/4 - 20
4163 .750 .250 .129 .063 .375 1.000 .175 1.375 30 1/4 - 20
4164 .562 .250 .099 .063 .375 .562 .175 .937 30 1/4 - 28
4165 .562 .250 .099 .063 .375 .625 .175 1.000 30 1/4 - 28
4166 .562 .250 .099 .063 .375 .687 .175 1.062 30 1/4 - 28
4167 .562 .250 .099 .063 .375 .750 .175 1.125 30 1/4 - 28
4168 .562 .250 .099 .063 .375 .812 .175 1.187 30 1/4 - 28
4169 .562 .250 .099 .063 .375 .875 .175 1.250 30 1/4 - 28
4170 .562 .250 .099 .063 .375 .937 .175 1.313 30 1/4 - 28
4171 .562 .250 .099 .063 .375 1.000 .175 1.375 30 1/4 - 28
4172 .750 .250 .129 .063 .375 .562 .175 .937 30 1/4 - 28
4173 .750 .250 .129 .063 .375 .625 .175 1.000 30 1/4 - 28
4174 .750 .250 .129 .063 .375 .687 .175 1.062 30 1/4 - 28
4175 .750 .250 .129 .063 .375 .750 .175 1.125 30 1/4 - 28
Part
No.		 A
Before
Knurl		 B
±
1/64		 C
±
.005		 D
+.005
-.000		 F
±
.005		 G
±
.010		 H
±
.005		 L
REF		 Pitch Thread
4176 .750 .250 .129 .063 .375 .812 .175 1.187 30 1/4 - 28
4177 .750 .250 .129 .063 .375 .875 .175 1.250 30 1/4 - 28
4178 .750 .250 .129 .063 .375 .937 .175 1.313 30 1/4 - 28
4179 .750 .250 .129 .063 .375 1.000 .175 1.375 30 1/4 - 28
4180 .562 .250 .099 .063 .375 .562 .235 .937 30 5/16 - 24
4181 .562 .250 .099 .063 .375 .625 .235 1.000 30 5/16 - 24
4182 .562 .250 .099 .063 .375 .687 .235 1.062 30 5/16 - 24
4183 .562 .250 .099 .063 .375 .750 .235 1.125 30 5/16 - 24
4184 .562 .250 .099 .063 .375 .812 .235 1.187 30 5/16 - 24
4185 .562 .250 .099 .063 .375 .875 .235 1.250 30 5/16 - 24
4186 .562 .250 .099 .063 .375 .937 .235 1.313 30 5/16 - 24
4187 .562 .250 .099 .063 .375 1.000 .235 1.375 30 5/16 - 24
4188 .750 .250 .129 .063 .375 .562 .235 .937 30 5/16 - 24
4189 .750 .250 .129 .063 .375 .625 .235 1.000 30 5/16 - 24
4190 .750 .250 .129 .063 .375 .687 .235 1.062 30 5/16 - 24
4191 .750 .250 .129 .063 .375 .750 .235 1.125 30 5/16 - 24
4192 .750 .250 .129 .063 .375 .812 .235 1.187 30 5/16 - 24
4193 .750 .250 .129 .063 .375 .875 .235 1.250 30 5/16 - 24
4194 .750 .250 .129 .063 .375 .937 .235 1.313 30 5/16 - 24
4195 .750 .250 .129 .063 .375 1.000 .235 1.375 30 5/16 - 24

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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.


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