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4000 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.
   Build Part Number
   Material & Shape
   Plating & Finish		   All Technical Data
  Worksheet Helper
  ND Thread Lock Info
  ND Thread Codes		 Conversion Chart
Metric Captive Screws
 Am. Standard Captive Screws
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		 E
REF		 F
±
.005		 G
±
.010		 H
±
.005		 M
+.000
-.015		 L
REF		 Knurl
Teeth		 Knurl
Pitch		 Knurl
Cham-fer		 Thread  
4001 .313 .313 .083 .047 .078 .120 .177 .078 .078 .375 40.7 128 .022 4 - 40  
4002 .313 .313 .083 .047 .078 .120 .239 .078 .078 .437 40.7 128 .022 4 - 40  
4003 .313 .313 .083 .047 .078 .120 .301 .078 .078 .500 40.7 128 .022 4 - 40  
4004 .313 .313 .083 .047 .078 .120 .363 .078 .078 .562 40.7 128 .022 4 - 40  
4005 .313 .313 .083 .047 .078 .120 .425 .078 .078 .625 40.7 128 .022 4 - 40  
4005A .313 .313 .083 .047 .078 .120 .489 .078 .078 .687 40.7 128 .022 4 - 40  
4005B .313 .313 .083 .047 .078 .120 .552 .078 .078 .750 40.7 128 .022 4 - 40  
4005C .313 .313 .083 .047 .078 .120 .614 .078 .078 .812 40.7 128 .022 4 - 40  
4005D .313 .313 .083 .047 .078 .120 .677 .078 .078 .875 40.7 128 .022 4 - 40  
4005E .313 .313 .083 .047 .078 .120 .739 .078 .078 .937 40.7 128 .022 4 - 40  
4005F .313 .313 .083 .047 .078 .120 .802 .078 .078 1.000 40.7 128 .022 4 - 40  
4006A .313 .313 .083 .047 .092 .207 .076 .095 .095 .375 40.7 128 .022 6- 32  
4006B .313 .313 .083 .047 .092 .207 .138 .095 .095 .437 40.7 128 .022 6- 32  
4006 .313 .313 .083 .047 .092 .207 .201 .095 .095 .500 40.7 128 .022 6- 32  
4007 .313 .313 .083 .047 .092 .207 .263 .095 .095 .562 40.7 128 .022 6- 32  
4008 .313 .313 .083 .047 .092 .207 .326 .095 .095 .625 40.7 128 .022 6- 32  
4009 .313 .313 .083 .047 .092 .207 .388 .095 .095 .687 40.7 128 .022 6- 32  
4010 .313 .313 .083 .047 .092 .207 .451 .095 .095 .750 40.7 128 .022 6- 32  
4011 .313 .313 .083 .047 .092 .207 .513 .095 .095 .812 40.7 128 .022 6- 32  
4012 .313 .313 .083 .047 .092 .207 .576 .095 .095 .875 40.7 128 .022 6- 32  
4013 .313 .313 .083 .047 .092 .207 .638 .095 .095 .937 40.7 128 .022 6- 32  
4014 .313 .313 .083 .047 .092 .207 .701 .095 .095 1.000 40.7 128 .022 6- 32  
4015 .313 .313 .083 .047 .092 .207 .201 .120 .120 .500 40.7 128 .022 8- 32  
Part
No.		 A
Before
Knurl		 B
±
1/64		 C
±
.005		 D
+.005
-.000		 E
REF		 F
±
.005		 G
±
.010		 H
±
.005		 M
+.000
-.015		 L
REF		 Knurl
Teeth		 Knurl
Pitch		 Knurl
Cham-fer		 Thread  
4016 .313 .313 .083 .047 .092 .207 .263 .120 .120 .562 40.7 128 .022 8- 32  
4017 .313 .313 .083 .047 .092 .207 .326 .120 .120 .625 40.7 128 .022 8- 32  
4018 .313 .313 .083 .047 .092 .207 .388 .120 .120 .687 40.7 128 .022 8- 32  
4019 .313 .313 .083 .047 .092 .207 .451 .120 .120 .750 40.7 128 .022 8- 32  
4020 .313 .313 .083 .047 .092 .207 .513 .120 .120 .812 40.7 128 .022 8- 32  
4021 .313 .313 .083 .047 .092 .207 .576 .120 .120 .875 40.7 128 .022 8- 32  
4022 .313 .313 .083 .047 .092 .207 .638 .120 .120 .937 40.7 128 .022 8- 32  
4023 .313 .313 .083 .047 .092 .207 .701 .120 .120 1.000 40.7 128 .022 8- 32  
4024 .375 .437 .099 .063 .156 .245 .224 .130 .130 .625 30.6 96 .030 10 - 24  
4025 .375 .437 .099 .063 .156 .245 .286 .130 .130 .687 30.6 96 .030 10 - 24  
4026 .375 .437 .099 .063 .156 .245 .348 .130 .130 .750 30.6 96 .030 10 - 24  
4027 .375 .437 .099 .063 .156 .245 .410 .130 .130 .812 30.6 96 .030 10 - 24  
4028 .375 .437 .099 .063 .156 .245 .474 .130 .130 .875 30.6 96 .030 10 - 24  
4029 .375 .437 .099 .063 .156 .245 .536 .130 .130 .937 30.6 96 .030 10 - 24  
4030 .375 .437 .099 .063 .156 .245 .600 .130 .130 1.000 30.6 96 .030 10 - 24  
4031 .375 .437 .099 .063 .156 .245 .224 .130 .130 .625 30.6 96 .030 10 - 32  
4032 .375 .437 .099 .063 .156 .245 .286 .130 .130 .687 30.6 96 .030 10 - 32  
4033 .375 .437 .099 .063 .156 .245 .348 .130 .130 .750 30.6 96 .030 10 - 32  
4034 .375 .437 .099 .063 .156 .245 .410 .130 .130 .812 30.6 96 .030 10 - 32  
Part
No.		 A
Before
Knurl		 B
±
1/64		 C
±
.005		 D
+.005
-.000		 E
REF		 F
±
.005		 G
±
.010		 H
±
.005		 M
+.000
-.015		 L
REF		 Knurl
Teeth		 Knurl
Pitch		 Knurl
Cham-fer		 Thread  
4035 .375 .437 .099 .063 .156 .245 .474 .130 .130 .875 30.6 96 .030 10 - 32  
4036 .375 .437 .099 .063 .156 .245 .536 .130 .130 .937 30.6 96 .030 10 - 32  
4037 .375 .437 .099 .063 .156 .245 .599 .130 .130 1.000 30.6 96 .030 10 - 32  
4037A .375 .437 .099 .063 .156 .245 .661 .130 .130 1.062 30.6 96 .030 10 - 32  
4037B .375 .437 .099 .063 .156 .245 .724 .130 .130 1.125 30.6 96 .030 10 - 32  
4037C .375 .437 .099 .063 .156 .245 .786 .130 .130 1.187 30.6 96 .030 10 - 32  
4037D .375 .437 .099 .063 .156 .245 .849 .130 .130 1.250 30.6 96 .030 10 - 32  
4037E .375 .437 .099 .063 .156 .245 .912 .130 .130 1.313 30.6 96 .030 10 - 32  
4037F .375 .437 .099 .063 .156 .245 .974 .130 .130 1.375 30.6 96 .030 10 - 32  
4037G .375 .437 .099 .063 .156 .245 1.099 .130 .130 1.500 30.6 96 .030 10 - 32  
4037H .375 .437 .099 .063 .156 .245 1.349 .130 .130 1.750 30.6 96 .030 10 - 32  
4037-I .375 .437 .099 .063 .156 .245 1.599 .130 .130 2.000 30.6 96 .030 10 - 32  
4038A .500 .562 .099 .078 .187 .308 .130 .175 .175 .625 30.6 96 .038 1/4- 20  
4038B .500 .562 .099 .078 .187 .308 .192 .175 .175 .687 30.6 96 .038 1/4- 20  
4038 .500 .562 .099 .078 .187 .308 .255 .175 .175 .750 30.6 96 .038 1/4- 20  
4039 .500 .562 .099 .078 .187 .308 .317 .175 .175 .812 30.6 96 .038 1/4- 20  
4040 .500 .562 .099 .078 .187 .308 .380 .175 .175 .875 30.6 96 .038 1/4- 20  
4041 .500 .562 .099 .078 .187 .308 .442 .175 .175 .937 30.6 96 .038 1/4- 20  
4042 .500 .562 .099 .078 .187 .308 .505 .175 .175 1.000 30.6 96 .038 1/4- 20  
4043 .500 .562 .099 .078 .187 .308 .567 .175 .175 1.062 30.6 96 .038 1/4- 20  
4044 .500 .562 .099 .078 .187 .308 .630 .175 .175 1.125 30.6 96 .038 1/4- 20  
4045 .500 .562 .099 .078 .187 .308 .692 .175 .175 1.187 30.6 96 .038 1/4- 20  
4046 .500 .562 .099 .078 .187 .308 .754 .175 .175 1.250 30.6 96 .038 1/4- 20  
4047 .500 .562 .099 .078 .187 .308 .817 .175 .175 1.313 30.6 96 .038 1/4- 20  
4048 .500 .562 .099 .078 .187 .308 .880 .175 .175 1.375 30.6 96 .038 1/4- 20  
4049 .500 .562 .099 .078 .187 .308 1.005 .175 .175 1.500 30.6 96 .038 1/4- 20  
4050 .500 .562 .099 .078 .187 .308 1.255 .175 .175 1.750 30.6 96 .038 1/4- 20  
Part
No.		 A
Before
Knurl		 B
±
1/64		 C
±
.005		 D
+.005
-.000		 E
REF		 F
±
.005		 G
±
.010		 H
±
.005		 M
+.000
-.015		 L
REF		 Knurl
Teeth		 Knurl
Pitch		 Knurl
Cham-fer		 Thread  
4051 .500 .562 .099 .078 .187 .308 1.505 .175 .175 2.000 30.6 96 .038 1/4- 20  
4052 .500 .562 .099 .078 .187 .308 .255 .175 .175 .750 30.6 96 .038 1/4- 28  
4053 .500 .562 .099 .078 .187 .308 .317 .175 .175 .812 30.6 96 .038 1/4- 28  
4054 .500 .562 .099 .078 .187 .308 .380 .175 .175 .875 30.6 96 .038 1/4- 28  
4055 .500 .562 .099 .078 .187 .308 .442 .175 .175 .937 30.6 96 .038 1/4- 28  
4056 .500 .562 .099 .078 .187 .308 .505 .175 .175 1.000 30.6 96 .038 1/4- 28  
4057 .500 .562 .099 .078 .187 .308 .567 .175 .175 1.062 30.6 96 .038 1/4- 28  
4058 .500 .562 .099 .078 .187 .308 .630 .175 .175 1.125 30.6 96 .038 1/4- 28  
4059 .500 .562 .099 .078 .187 .308 .692 .175 .175 1.187 30.6 96 .038 1/4- 28  
4060 .500 .562 .099 .078 .187 .308 .754 .175 .175 1.250 30.6 96 .038 1/4- 28  
4061 .500 .562 .099 .078 .187 .308 .817 .175 .175 1.313 30.6 96 .038 1/4- 28  
4062 .500 .562 .099 .078 .187 .308 .880 .175 .175 1.375 30.6 96 .038 1/4- 28  
4063 .500 .562 .099 .078 .187 .308 1.005 .175 .175 1.500 30.6 96 .038 1/4- 28  
4064 .500 .562 .099 .078 .187 .308 1.255 .175 .175 1.750 30.6 96 .038 1/4- 28  
4065 .500 .562 .099 .078 .187 .308 1.505 .175 .175 2.000 30.6 96 .038 1/4- 28  
4066 .625 .687 .130 .094 .250 .370 .380 .230 .230 1.000 20.4 64 .041 5/16- 18  
4067 .625 .687 .130 .094 .250 .370 .442 .230 .230 1.062 20.4 64 .041 5/16- 18  
4068 .625 .687 .130 .094 .250 .370 .505 .230 .230 1.125 20.4 64 .041 5/16- 18  
4069 .625 .687 .130 .094 .250 .370 .567 .230 .230 1.187 20.4 64 .041 5/16- 18  
4070 .625 .687 .130 .094 .250 .370 .630 .230 .230 1.250 20.4 64 .041 5/16- 18  
Part
No.		 A
Before
Knurl		 B
±
1/64		 C
±
.005		 D
+.005
-.000		 E
REF		 F
±
.005		 G
±
.010		 H
±
.005		 M
+.000
-.015		 L
REF		 Knurl
Teeth		 Knurl
Pitch		 Knurl
Cham-fer		 Thread  
4071 .625 .687 .130 .094 .250 .370 .692 .230 .230 1.313 20.4 64 .041 5/16- 18  
4072 .625 .687 .130 .094 .250 .370 .755 .230 .230 1.375 20.4 64 .041 5/16- 18  
4073 .625 .687 .130 .094 .250 .370 .880 .230 .230 1.500 20.4 64 .041 5/16- 18  
4074 .625 .687 .130 .094 .250 .370 1.130 .230 .230 1.750 20.4 64 .041 5/16- 18  
4075 .625 .687 .130 .094 .250 .370 1.380 .230 .230 2.000 20.4 64 .041 5/16- 18  
4076 .625 .687 .130 .094 .250 .370 .380 .230 .230 1.000 20.4 64 .041 5/16-24  
4077 .625 .687 .130 .094 .250 .370 .442 .230 .230 1.062 20.4 64 .041 5/16-24  
4078 .625 .687 .130 .094 .250 .370 .505 .230 .230 1.125 20.4 64 .041 5/16-24  
4079 .625 .687 .130 .094 .250 .370 .567 .230 .230 1.187 20.4 64 .041 5/16-24  
4080 .625 .687 .130 .094 .250 .370 .630 .230 .230 1.250 20.4 64 .041 5/16-24  
4081 .625 .687 .130 .094 .250 .370 .692 .230 .230 1.313 20.4 64 .041 5/16-24  
4082 .625 .687 .130 .094 .250 .370 .755 .230 .230 1.375 20.4 64 .041 5/16-24  
4083 .625 .687 .130 .094 .250 .370 .880 .230 .230 1.500 20.4 64 .041 5/16-24  
4084 .625 .687 .130 .094 .250 .370 1.130 .230 .230 1.750 20.4 64 .041 5/16-24  
4085 .625 .687 .130 .094 .250 .370 1.380 .230 .230 2.000 20.4 64 .041 5/16-24  
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