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Spring-Loaded Non-Flush Captive Panel Screw
Tool Installation Only  PFC4-U,  PFC4LS-U,  PFC4L-U

Self Clinching Fasteners  •  Captive Panel Screws & Hardware
American Standard (Inches) & Metric Sizes
• Non-Flush    • For use in stainless steel sheets    • Fully concealed head for tool access
• Tool installation only
American Standard Sizes:   • Series PFC4-U    • Series PFC4LS-U    • Series PFC4L-U
Metric Sizes:   • Series PFC4-U    • Series PFC4LS-U    • Series PFC4L-U
Series  PFC4-U
Series  PFC4-U  /  American Standard Sizes
      • "A" (Shank) Max.-  0.060"
      • Min. Sheet Thickness-  0.060"
      • Sheet Hardness-  HRB 70 / HB 125 or Less
      • Retainer Material-  400 Series Stainless Steel
      • Screw Material-  400 Series Stainless Steel
      • Spring Material-  300 Series Stainless Steel
      • Mil-Spec-  N/A
                            STANDARD FINISH
      • Retainer Finish-  Passivated per ASTM A380
      • Screw Finish-  Passivated per ASTM A380
Series PFC4-U
American Standard Sizes
(SAE)
Part
Number
Thread "C"
Max.
"E" "G" "P" "T1"
Max.
"T2"
Nom.
Driver
Type
Hole
in Sheet
Min.
Distance
to Edge
  PFC4-440-40-U 4-40 0.264" 0.344" 0.250" 0.000" 0.370" 0.540" #1 Phillips 0.265" 0.250"
  PFC4-440-62-U 4-40 0.264" 0.344" 0.375" 0.125" 0.370" 0.540" #1 Phillips 0.265" 0.250"
  PFC4-632-40-U 6-32 0.280" 0.375" 0.250" 0.000" 0.380" 0.540" #2 Phillips 0.281" 0.280"
  PFC4-632-62-U 6-32 0.280" 0.375" 0.375" 0.125" 0.380" 0.540" #2 Phillips 0.281" 0.280"
  PFC4-632-84-U 6-32 0.280" 0.375" 0.500" 0.250" 0.380" 0.540" #2 Phillips 0.281" 0.280"
  PFC4-832-50-U 8-32 0.311" 0.406" 0.312" 0.000" 0.480" 0.705" #2 Phillips 0.312" 0.310"
  PFC4-832-72-U 8-32 0.311" 0.406" 0.437" 0.125" 0.480" 0.705" #2 Phillips 0.312" 0.310"
  PFC4-832-94-U 8-32 0.311" 0.406" 0.562" 0.250" 0.480" 0.705" #2 Phillips 0.312" 0.310"
  PFC4-032-50-U 10-32 0.343" 0.437" 0.312" 0.000" 0.490" 0.705" #2 Phillips 0.344" 0.340"
  PFC4-032-72-U 10-32 0.343" 0.437" 0.437" 0.125" 0.490" 0.705" #2 Phillips 0.344" 0.340"
  PFC4-032-94-U 10-32 0.343" 0.437" 0.562" 0.250" 0.490" 0.705" #2 Phillips 0.344" 0.340"
Series  PFC4-U  /  Metric Sizes
      • "A" (Shank) Max.-  1.53 mm
      • Min. Sheet Thickness-  1.53 mm
      • Sheet Hardness-  HRB 70 / HB 125 or Less
      • Retainer Material-  400 Series Stainless Steel
      • Screw Material-  400 Series Stainless Steel
      • Spring Material-  300 Series Stainless Steel
      • Mil-Spec-  N/A
                            STANDARD FINISH
      • Retainer Finish-  Passivated per ASTM A380
      • Screw Finish-  Passivated per ASTM A380
Series PFC4-U
Metric Sizes
Part
Number
Thread "C"
Max.
"E" "G" "P" "T1"
Max.
"T2"
Nom.
Driver
Type
Hole
in Sheet
Min.
Distance
to Edge
  PFC4-M3-40-U M3 x 0.5 6.71
mm
8.74
mm
6.40
mm
0.00
mm
9.40
mm
13.72
mm
#1 Phillips 6.73
mm
6.35
mm
  PFC4-M3-62-U M3 x 0.5 6.71
mm
8.74
mm
9.50
mm
3.20
mm
9.40
mm
13.72
mm
#1 Phillips 6.73
mm
6.35
mm
  PFC4-M4-50-U M4 x 0.7 7.90
mm
10.31
mm
7.90
mm
0.00
mm
12.19
mm
17.91
mm
#2 Phillips 7.92
mm
7.87
mm
  PFC4-M4-72-U M4 x 0.7 7.90
mm
10.31
mm
11.10
mm
3.20
mm
12.19
mm
17.91
mm
#2 Phillips 7.92
mm
7.87
mm
  PFC4-M4-94-U M4 x 0.7 7.90
mm
10.31
mm
14.30
mm
6.40
mm
12.19
mm
17.91
mm
#2 Phillips 7.92
mm
7.87
mm
  PFC4-M5-50-U M5 x 0.8 8.72
mm
11.10
mm
7.90
mm
0.00
mm
12.45
mm
17.91
mm
#2 Phillips 8.74
mm
8.63
mm
  PFC4-M5-72-U M5 x 0.8 8.72
mm
11.10
mm
11.10
mm
3.20
mm
12.45
mm
17.91
mm
#2 Phillips 8.74
mm
8.63
mm
  PFC4-M5-94-U M5 x 0.8 8.72
mm
11.10
mm
14.30
mm
6.40
mm
12.45
mm
17.91
mm
#2 Phillips 8.74
mm
8.63
mm
Series  PFC4LS-U
Series  PFC4LS-U  /  American Standard Sizes
      • "A" (Shank) Max.-  0.060"
      • Min. Sheet Thickness-  0.060"
      • Sheet Hardness-  HRB 70 / HB 125 or Less
      • Retainer Material-  400 Series Stainless Steel
      • Screw Material-  400 Series Stainless Steel
      • Spring Material-  300 Series Stainless Steel
      • Mil-Spec-  N/A
                            STANDARD FINISH
      • Retainer Finish-  Passivated per ASTM A380
      • Screw Finish-  Passivated per ASTM A380
Series PFC4LS-U
American Standard Sizes
(SAE)
Part
Number
Thread "C"
Max.
"E" "G" "P" "T1"
Max.
"T2"
Nom.
Driver
Type
Hole
in Sheet
Min.
Distance
to Edge
  PFC4LS-440-40-U 4-40 0.264" 0.344" 0.250" 0.000" 0.370" 0.540" Torx®/Slot Combination 0.265" 0.250"
  PFC4LS-440-62-U 4-40 0.264" 0.344" 0.375" 0.125" 0.370" 0.540" Torx®/Slot Combination 0.265" 0.250"
  PFC4LS-632-40-U 6-32 0.280" 0.375" 0.250" 0.000" 0.380" 0.540" Torx®/Slot Combination 0.281" 0.280"
  PFC4LS-632-62-U 6-32 0.280" 0.375" 0.375" 0.125" 0.380" 0.540" Torx®/Slot Combination 0.281" 0.280"
  PFC4LS-632-84-U 6-32 0.280" 0.375" 0.500" 0.250" 0.380" 0.540" Torx®/Slot Combination 0.281" 0.280"
  PFC4LS-832-50-U 8-32 0.311" 0.406" 0.312" 0.000" 0.480" 0.705" Torx®/Slot Combination 0.312" 0.310"
  PFC4LS-832-72-U 8-32 0.311" 0.406" 0.437" 0.125" 0.480" 0.705" Torx®/Slot Combination 0.312" 0.310"
  PFC4LS-832-94-U 8-32 0.311" 0.406" 0.562" 0.250" 0.480" 0.705" Torx®/Slot Combination 0.312" 0.310"
  PFC4LS-032-50-U 10-32 0.343" 0.437" 0.312" 0.000" 0.490" 0.705" Torx®/Slot Combination 0.344" 0.340"
  PFC4LS-032-72-U 10-32 0.343" 0.437" 0.437" 0.125" 0.490" 0.705" Torx®/Slot Combination 0.344" 0.340"
  PFC4LS-032-94-U 10-32 0.343" 0.437" 0.562" 0.250" 0.490" 0.705" Torx®/Slot Combination 0.344" 0.340"
Series  PFC4LS-U  /  Metric Sizes
      • "A" (Shank) Max.-  1.53 mm
      • Min. Sheet Thickness-  1.53 mm
      • Sheet Hardness-  HRB 70 / HB 125 or Less
      • Retainer Material-  400 Series Stainless Steel
      • Screw Material-  400 Series Stainless Steel
      • Spring Material-  300 Series Stainless Steel
      • Mil-Spec-  N/A
                            STANDARD FINISH
      • Retainer Finish-  Passivated per ASTM A380
      • Screw Finish-  Passivated per ASTM A380
Series PFC4LS-U
Metric Sizes
Part
Number
Thread "C"
Max.
"E" "G" "P" "T1"
Max.
"T2"
Nom.
Driver
Type
Hole
in Sheet
Min.
Distance
to Edge
  PFC4LS-M3-40-U M3 x 0.5 6.71
mm
8.74
mm
6.40
mm
0.00
mm
9.40
mm
13.72
mm
Torx®/Slot Combination 6.73
mm
6.35
mm
  PFC4LS-M3-62-U M3 x 0.5 6.71
mm
8.74
mm
9.50
mm
3.20
mm
9.40
mm
13.72
mm
Torx®/Slot Combination 6.73
mm
6.35
mm
  PFC4LS-M4-50-U M4 x 0.7 7.90
mm
10.31
mm
7.90
mm
0.00
mm
12.19
mm
17.91
mm
Torx®/Slot Combination 7.92
mm
7.87
mm
  PFC4LS-M4-72-U M4 x 0.7 7.90
mm
10.31
mm
11.10
mm
3.20
mm
12.19
mm
17.91
mm
Torx®/Slot Combination 7.92
mm
7.87
mm
  PFC4LS-M4-94-U M4 x 0.7 7.90
mm
10.31
mm
14.30
mm
6.40
mm
12.19
mm
17.91
mm
Torx®/Slot Combination 7.92
mm
7.87
mm
  PFC4LS-M5-50-U M5 x 0.8 8.72
mm
11.10
mm
7.90
mm
0.00
mm
12.45
mm
17.91
mm
Torx®/Slot Combination 8.74
mm
8.63
mm
  PFC4LS-M5-72-U M5 x 0.8 8.72
mm
11.10
mm
11.10
mm
3.20
mm
12.45
mm
17.91
mm
Torx®/Slot Combination 8.74
mm
8.63
mm
  PFC4LS-M5-94-U M5 x 0.8 8.72
mm
11.10
mm
14.30
mm
6.40
mm
12.45
mm
17.91
mm
Torx®/Slot Combination 8.74
mm
8.63
mm
Series  PFC4L-U
Series  PFC4L-U  /  American Standard Sizes
      • "A" (Shank) Max.-  0.060"
      • Min. Sheet Thickness-  0.060"
      • Sheet Hardness-  HRB 70 / HB 125 or Less
      • Retainer Material-  400 Series Stainless Steel
      • Screw Material-  400 Series Stainless Steel
      • Spring Material-  300 Series Stainless Steel
      • Mil-Spec-  N/A
                            STANDARD FINISH
      • Retainer Finish-  Passivated per ASTM A380
      • Screw Finish-  Passivated per ASTM A380 
Series PFC4L-U
American Standard Sizes
(SAE)
Part
Number
Thread "C"
Max.
"E" "G" "P" "T1"
Max.
"T2"
Nom.
Driver
Type
Hole
in Sheet
Min.
Distance
to Edge
  PFC4L-440-40-U 4-40 0.264" 0.344" 0.250" 0.000" 0.370" 0.540" Torx® /
Torx Plus®
0.265" 0.250"
  PFC4L-440-62-U 4-40 0.264" 0.344" 0.375" 0.125" 0.370" 0.540" Torx® /
Torx Plus®
0.265" 0.250"
  PFC4L-632-40-U 6-32 0.280" 0.375" 0.250" 0.000" 0.380" 0.540" Torx® /
Torx Plus®
0.281" 0.280"
  PFC4L-632-62-U 6-32 0.280" 0.375" 0.375" 0.125" 0.380" 0.540" Torx® /
Torx Plus®
0.281" 0.280"
  PFC4L-632-84-U 6-32 0.280" 0.375" 0.500" 0.250" 0.380" 0.540" Torx® /
Torx Plus®
0.281" 0.280"
  PFC4L-832-50-U 8-32 0.311" 0.406" 0.312" 0.000" 0.480" 0.705" Torx® /
Torx Plus®
0.312" 0.310"
  PFC4L-832-72-U 8-32 0.311" 0.406" 0.437" 0.125" 0.480" 0.705" Torx® /
Torx Plus®
0.312" 0.310"
  PFC4L-832-94-U 8-32 0.311" 0.406" 0.562" 0.250" 0.480" 0.705" Torx® /
Torx Plus®
0.312" 0.310"
  PFC4L-032-50-U 10-32 0.343" 0.437" 0.312" 0.000" 0.490" 0.705" Torx® /
Torx Plus®
0.344" 0.340"
  PFC4L-032-72-U 10-32 0.343" 0.437" 0.437" 0.125" 0.490" 0.705" Torx® /
Torx Plus®
0.344" 0.340"
  PFC4L-032-94-U 10-32 0.343" 0.437" 0.562" 0.250" 0.490" 0.705" Torx® /
Torx Plus®
0.344" 0.340"
Series  PFC4L-U  /  Metric Sizes
      • "A" (Shank) Max.-  1.53 mm
      • Min. Sheet Thickness-  1.53 mm
      • Sheet Hardness-  HRB 70 / HB 125 or Less
      • Retainer Material-  400 Series Stainless Steel
      • Screw Material-  400 Series Stainless Steel
      • Spring Material-  300 Series Stainless Steel
      • Mil-Spec-  N/A
                            STANDARD FINISH
      • Retainer Finish-  Passivated per ASTM A380
      • Screw Finish-  Passivated per ASTM A380
Series PFC4L-U
Metric Sizes
Part
Number
Thread "C"
Max.
"E" "G" "P" "T1"
Max.
"T2"
Nom.
Driver
Type
Hole
in Sheet
Min.
Distance
to Edge
  PFC4L-M3-40-U M3 x 0.5 6.71
mm
8.74
mm
6.40
mm
0.00
mm
9.40
mm
13.72
mm
Torx® /
Torx Plus®
6.73
mm
6.35
mm
  PFC4L-M3-62-U M3 x 0.5 6.71
mm
8.74
mm
9.50
mm
3.20
mm
9.40
mm
13.72
mm
Torx® /
Torx Plus®
6.73
mm
6.35
mm
  PFC4L-M4-50-U M4 x 0.7 7.90
mm
10.31
mm
7.90
mm
0.00
mm
12.19
mm
17.91
mm
Torx® /
Torx Plus®
7.92
mm
7.87
mm
  PFC4L-M4-72-U M4 x 0.7 7.90
mm
10.31
mm
11.10
mm
3.20
mm
12.19
mm
17.91
mm
Torx® /
Torx Plus®
7.92
mm
7.87
mm
  PFC4L-M4-94-U M4 x 0.7 7.90
mm
10.31
mm
14.30
mm
6.40
mm
12.19
mm
17.91
mm
Torx® /
Torx Plus®
7.92
mm
7.87
mm
  PFC4L-M5-50-U M5 x 0.8 8.72
mm
11.10
mm
7.90
mm
0.00
mm
12.45
mm
17.91
mm
Torx® /
Torx Plus®
8.74
mm
8.63
mm
  PFC4L-M5-72-U M5 x 0.8 8.72
mm
11.10
mm
11.10
mm
3.20
mm
12.45
mm
17.91
mm
Torx® /
Torx Plus®
8.74
mm
8.63
mm
  PFC4L-M5-94-U M5 x 0.8 8.72
mm
11.10
mm
14.30
mm
6.40
mm
12.45
mm
17.91
mm
Torx® /
Torx Plus®
8.74
mm
8.63
mm

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

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