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Spring-Loaded Screw Head  PFC2-U,  PFS2-U

Self Clinching Fasteners  •  Captive Panel Screws & Hardware
American Standard (Inches) & Metric Sizes
• Self-clinching    • Inserted into any thin material    • Held captive to a panel
• Installed by tool or hand    • High corrosion resistance    • Installed quickly and easily
American Standard Sizes:   • Series PFC2-U    • Series PFS2-U
Metric Sizes:   • Series PFC2-U    • Series PFS2-U
Series  PFC2-U
Series  PFC2-U  /  American Standard Sizes
      • "A" (Shank) Max.-  0.060"
      • Min. Sheet Thickness-  0.060"
      • Sheet Hardness-  HRB 70 / HB 125 or Less
      • Retainer Material-  300 Series Stainless Steel
      • Screw Material-  300 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
                            *OPTIONAL FINISH  (Part Numbers with "BN")
      • Retainer Finish-  Black Nitride
      • Screw Finish-  Black Nitride
Series PFC2-U
American Standard Sizes
(SAE)
Part
Number
Thread "C"
Max.
"E" "G" "H" "P" "T1"
Max.
"T2"
Nom.
Min.
Distance
to Edge
Hole
in Sheet
  PFC2-440-40-U 4-40 0.264" 0.312" 0.250" 0.072" 0.000" 0.360" 0.540" 0.250" 0.265"
  PFC2-440-62-U 4-40 0.264" 0.312" 0.375" 0.072" 0.125" 0.360" 0.540" 0.250" 0.265"
  PFC2-632-40-U 6-32 0.280" 0.344" 0.250" 0.072" 0.000" 0.360" 0.540" 0.280" 0.281"
  PFC2-632-62-U 6-32 0.280" 0.344" 0.375" 0.072" 0.125" 0.360" 0.540" 0.280" 0.281"
  PFC2-632-84-U 6-32 0.280" 0.344" 0.500" 0.072" 0.250" 0.360" 0.540" 0.280" 0.281"
  PFC2-832-50-U 8-32 0.311" 0.375" 0.312" 0.082" 0.000" 0.450" 0.690" 0.310" 0.312"
  PFC2-832-72-U 8-32 0.311" 0.375" 0.437" 0.082" 0.125" 0.450" 0.690" 0.310" 0.312"
  PFC2-832-94-U 8-32 0.311" 0.375" 0.562" 0.082" 0.250" 0.450" 0.690" 0.310" 0.312"
  PFC2-032-50-U 10-32 0.343" 0.406" 0.312" 0.082" 0.000" 0.450" 0.690" 0.340" 0.344"
  PFC2-032-72-U 10-32 0.343" 0.406" 0.437" 0.082" 0.125" 0.450" 0.690" 0.340" 0.344"
  PFC2-032-94-U 10-32 0.343" 0.406" 0.562" 0.082" 0.250" 0.450" 0.690" 0.340" 0.344"
  PFC2-0420-60-U 1/4-20 0.412" 0.468" 0.375" 0.097" 0.000" 0.580" 0.880" 0.380" 0.413"
  PFC2-0420-82-U 1/4-20 0.412" 0.468" 0.500" 0.097" 0.125" 0.580" 0.880" 0.380" 0.413"
  PFC2-0420-04-U 1/4-20 0.412" 0.468" 0.625" 0.097" 0.250" 0.580" 0.880" 0.380" 0.413"
*OPTIONAL FINISH  (Part Numbers with "BN")
  PFC2-440-40-BN-U 4-40 0.264" 0.312" 0.250" 0.072" 0.000" 0.360" 0.540" 0.250" 0.265"
  PFC2-440-62-BN-U 4-40 0.264" 0.312" 0.375" 0.072" 0.125" 0.360" 0.540" 0.250" 0.265"
  PFC2-632-40-BN-U 6-32 0.280" 0.344" 0.250" 0.072" 0.000" 0.360" 0.540" 0.280" 0.281"
  PFC2-632-62-BN-U 6-32 0.280" 0.344" 0.375" 0.072" 0.125" 0.360" 0.540" 0.280" 0.281"
  PFC2-632-84-BN-U 6-32 0.280" 0.344" 0.500" 0.072" 0.250" 0.360" 0.540" 0.280" 0.281"
  PFC2-832-50-BN-U 8-32 0.311" 0.375" 0.312" 0.082" 0.000" 0.450" 0.690" 0.310" 0.312"
  PFC2-832-72-BN-U 8-32 0.311" 0.375" 0.437" 0.082" 0.125" 0.450" 0.690" 0.310" 0.312"
  PFC2-832-94-BN-U 8-32 0.311" 0.375" 0.562" 0.082" 0.250" 0.450" 0.690" 0.310" 0.312"
  PFC2-032-50-BN-U 10-32 0.343" 0.406" 0.312" 0.082" 0.000" 0.450" 0.690" 0.340" 0.344"
  PFC2-032-72-BN-U 10-32 0.343" 0.406" 0.437" 0.082" 0.125" 0.450" 0.690" 0.340" 0.344"
  PFC2-032-94-BN-U 10-32 0.343" 0.406" 0.562" 0.082" 0.250" 0.450" 0.690" 0.340" 0.344"
  PFC2-0420-60-BN-U 1/4-20 0.412" 0.468" 0.375" 0.097" 0.000" 0.580" 0.880" 0.380" 0.413"
  PFC2-0420-82-BN-U 1/4-20 0.412" 0.468" 0.500" 0.097" 0.125" 0.580" 0.880" 0.380" 0.413"
  PFC2-0420-04-BN-U 1/4-20 0.412" 0.468" 0.625" 0.097" 0.250" 0.580" 0.880" 0.380" 0.413"
Series  PFC2-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-  300 Series Stainless Steel
      • Screw Material-  300 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
                            *OPTIONAL FINISH  (Part Numbers with "BN")
      • Retainer Finish-  Black Nitride
      • Screw Finish-  Black Nitride
Series PFC2-U
Metric Sizes
Part
Number
Thread "C"
Max.
"E" "G" "H" "P" "T1"
Max.
"T2"
Nom.
Min.
Distance
to Edge
Hole
in Sheet
  PFC2-M3-40-U M3 x 0.5 6.71
mm
7.92
mm
6.40
mm
1.83
mm
0.00
mm
9.14
mm
13.72
mm
6.35
mm
6.73
mm
  PFC2-M3-62-U M3 x 0.5 6.71
mm
7.92
mm
9.50
mm
1.83
mm
3.20
mm
9.14
mm
13.72
mm
6.35
mm
6.73
mm
  PFC2-M4-50-U M4 x 0.7 7.90
mm
9.53
mm
7.90
mm
2.08
mm
0.00
mm
11.43
mm
17.53
mm
7.87
mm
7.92
mm
  PFC2-M4-72-U M4 x 0.7 7.90
mm
9.53
mm
11.10
mm
2.08
mm
3.20
mm
11.43
mm
17.53
mm
7.87
mm
7.92
mm
  PFC2-M4-94-U M4 x 0.7 7.90
mm
9.53
mm
14.30
mm
2.08
mm
6.40
mm
11.43
mm
17.53
mm
7.87
mm
7.92
mm
  PFC2-M5-50-U M5 x 0.8 8.72
mm
10.31
mm
7.90
mm
2.08
mm
0.00
mm
11.47
mm
17.53
mm
8.63
mm
8.74
mm
  PFC2-M5-72-U M5 x 0.8 8.72
mm
10.31
mm
11.10
mm
2.08
mm
3.20
mm
11.47
mm
17.53
mm
8.63
mm
8.74
mm
  PFC2-M5-94-U M5 x 0.8 8.72
mm
10.31
mm
14.30
mm
2.08
mm
6.40
mm
11.47
mm
17.53
mm
8.63
mm
8.74
mm
  PFC2-M6-60-U M6 x 1.0 10.47
mm
11.89
mm
9.50
mm
2.46
mm
0.00
mm
14.73
mm
22.35
mm
9.65
mm
10.49
mm
  PFC2-M6-82-U M6 x 1.0 10.47
mm
11.89
mm
12.70
mm
2.46
mm
3.20
mm
14.73
mm
22.35
mm
9.65
mm
10.49
mm
  PFC2-M6-04-U M6 x 1.0 10.47
mm
11.89
mm
15.90
mm
2.46
mm
6.40
mm
14.73
mm
22.35
mm
9.65
mm
10.49
mm
*OPTIONAL FINISH  (Part Numbers with "BN")
  PFC2-M3-40-BN-U M3 x 0.5 6.71
mm
7.92
mm
6.40
mm
1.83
mm
0.00
mm
9.14
mm
13.72
mm
6.35
mm
6.73
mm
  PFC2-M3-62-BN-U M3 x 0.5 6.71
mm
7.92
mm
9.50
mm
1.83
mm
3.20
mm
9.14
mm
13.72
mm
6.35
mm
6.73
mm
  PFC2-M4-50-BN-U M4 x 0.7 7.90
mm
9.53
mm
7.90
mm
2.08
mm
0.00
mm
11.43
mm
17.53
mm
7.87
mm
7.92
mm
  PFC2-M4-72-BN-U M4 x 0.7 7.90
mm
9.53
mm
11.10
mm
2.08
mm
3.20
mm
11.43
mm
17.53
mm
7.87
mm
7.92
mm
  PFC2-M4-94-BN-U M4 x 0.7 7.90
mm
9.53
mm
14.30
mm
2.08
mm
6.40
mm
11.43
mm
17.53
mm
7.87
mm
7.92
mm
  PFC2-M5-50-BN-U M5 x 0.8 8.72
mm
10.31
mm
7.90
mm
2.08
mm
0.00
mm
11.47
mm
17.53
mm
8.63
mm
8.74
mm
  PFC2-M5-72-BN-U M5 x 0.8 8.72
mm
10.31
mm
11.10
mm
2.08
mm
3.20
mm
11.47
mm
17.53
mm
8.63
mm
8.74
mm
  PFC2-M5-94-BN-U M5 x 0.8 8.72
mm
10.31
mm
14.30
mm
2.08
mm
6.40
mm
11.47
mm
17.53
mm
8.63
mm
8.74
mm
  PFC2-M6-60-BN-U M6 x 1.0 10.47
mm
11.89
mm
9.50
mm
2.46
mm
0.00
mm
14.73
mm
22.35
mm
9.65
mm
10.49
mm
  PFC2-M6-82-BN-U M6 x 1.0 10.47
mm
11.89
mm
12.70
mm
2.46
mm
3.20
mm
14.73
mm
22.35
mm
9.65
mm
10.49
mm
  PFC2-M6-04-BN-U M6 x 1.0 10.47
mm
11.89
mm
15.90
mm
2.46
mm
6.40
mm
14.73
mm
22.35
mm
9.65
mm
10.49
mm
Series  PFS2-U
Series  PFS2-U  /  American Standard Sizes
      • "A" (Shank) Max.-  0.060"
      • Min. Sheet Thickness-  0.060"
      • Sheet Hardness-  HRB 80 / HB 150 or Less
      • Retainer Material-  Heat-Treated Carbon Steel
      • Screw Material-  Carbon Steel
      • Spring Material-  300 Series Stainless Steel
      • Mil-Spec-  N/A
                            STANDARD FINISH
      • Retainer Finish-  Bright nickel over copper flash per ASTM B689
      • Screw Finish-  Bright nickel over copper flash per ASTM B689
                            *OPTIONAL FINISH  (Part Numbers with "BN")
      • Retainer Finish-  Black Nitride
      • Screw Finish-  Black Nitride
Series PFS2-U
American Standard Sizes
(SAE)
Part
Number
Thread "C"
Max.
"E" "G" "H" "P" "T1"
Max.
"T2"
Nom.
Min.
Distance
to Edge
Hole
in Sheet
  PFS2-440-40-U 4-40 0.264" 0.312" 0.250" 0.072" 0.000" 0.360" 0.540" 0.250" 0.265"
  PFS2-440-62-U 4-40 0.264" 0.312" 0.375" 0.072" 0.125" 0.360" 0.540" 0.250" 0.265"
  PFS2-632-40-U 6-32 0.280" 0.344" 0.250" 0.072" 0.000" 0.360" 0.540" 0.280" 0.281"
  PFS2-632-62-U 6-32 0.280" 0.344" 0.375" 0.072" 0.125" 0.360" 0.540" 0.280" 0.281"
  PFS2-632-84-U 6-32 0.280" 0.344" 0.500" 0.072" 0.250" 0.360" 0.540" 0.280" 0.281"
  PFS2-832-50-U 8-32 0.311" 0.375" 0.312" 0.082" 0.000" 0.450" 0.690" 0.310" 0.312"
  PFS2-832-72-U 8-32 0.311" 0.375" 0.437" 0.082" 0.125" 0.450" 0.690" 0.310" 0.312"
  PFS2-832-94-U 8-32 0.311" 0.375" 0.562" 0.082" 0.250" 0.450" 0.690" 0.310" 0.312"
  PFS2-032-50-U 10-32 0.343" 0.406" 0.312" 0.082" 0.000" 0.450" 0.690" 0.340" 0.344"
  PFS2-032-72-U 10-32 0.343" 0.406" 0.437" 0.082" 0.125" 0.450" 0.690" 0.340" 0.344"
  PFS2-032-94-U 10-32 0.343" 0.406" 0.562" 0.082" 0.250" 0.450" 0.690" 0.340" 0.344"
  PFS2-0420-60-U 1/4-20 0.412" 0.468" 0.375" 0.097" 0.000" 0.580" 0.880" 0.380" 0.413"
  PFS2-0420-82-U 1/4-20 0.412" 0.468" 0.500" 0.097" 0.125" 0.580" 0.880" 0.380" 0.413"
  PFS2-0420-04-U 1/4-20 0.412" 0.468" 0.625" 0.097" 0.250" 0.580" 0.880" 0.380" 0.413"
*OPTIONAL FINISH  (Part Numbers with "BN")
  PFS2-440-40-BN-U 4-40 0.264" 0.312" 0.250" 0.072" 0.000" 0.360" 0.540" 0.250" 0.265"
  PFS2-440-62-BN-U 4-40 0.264" 0.312" 0.375" 0.072" 0.125" 0.360" 0.540" 0.250" 0.265"
  PFS2-632-40-BN-U 6-32 0.280" 0.344" 0.250" 0.072" 0.000" 0.360" 0.540" 0.280" 0.281"
  PFS2-632-62-BN-U 6-32 0.280" 0.344" 0.375" 0.072" 0.125" 0.360" 0.540" 0.280" 0.281"
  PFS2-632-84-BN-U 6-32 0.280" 0.344" 0.500" 0.072" 0.250" 0.360" 0.540" 0.280" 0.281"
  PFS2-832-50-BN-U 8-32 0.311" 0.375" 0.312" 0.082" 0.000" 0.450" 0.690" 0.310" 0.312"
  PFS2-832-72-BN-U 8-32 0.311" 0.375" 0.437" 0.082" 0.125" 0.450" 0.690" 0.310" 0.312"
  PFS2-832-94-BN-U 8-32 0.311" 0.375" 0.562" 0.082" 0.250" 0.450" 0.690" 0.310" 0.312"
  PFS2-032-50-BN-U 10-32 0.343" 0.406" 0.312" 0.082" 0.000" 0.450" 0.690" 0.340" 0.344"
  PFS2-032-72-BN-U 10-32 0.343" 0.406" 0.437" 0.082" 0.125" 0.450" 0.690" 0.340" 0.344"
  PFS2-032-94-BN-U 10-32 0.343" 0.406" 0.562" 0.082" 0.250" 0.450" 0.690" 0.340" 0.344"
  PFS2-0420-60-BN-U 1/4-20 0.412" 0.468" 0.375" 0.097" 0.000" 0.580" 0.880" 0.380" 0.413"
  PFS2-0420-82-BN-U 1/4-20 0.412" 0.468" 0.500" 0.097" 0.125" 0.580" 0.880" 0.380" 0.413"
  PFC2-0420-04-BN-U 1/4-20 0.412" 0.468" 0.625" 0.097" 0.250" 0.580" 0.880" 0.380" 0.413"
Series  PFS2-U  /  Metric Sizes
      • "A" (Shank) Max.-  1.53 mm
      • Min. Sheet Thickness-  1.53 mm
      • Sheet Hardness-  HRB 80 / HB 150 or Less
      • Retainer Material-  Heat-Treated Carbon Steel
      • Screw Material-  Carbon Steel
      • Spring Material-  300 Series Stainless Steel
      • Mil-Spec-  N/A
                            STANDARD FINISH
      • Retainer Finish-  Bright nickel over copper flash per ASTM B689
      • Screw Finish-  Bright nickel over copper flash per ASTM B689
                            *OPTIONAL FINISH  (Part Numbers with "BN")
      • Retainer Finish-  Black Nitride
      • Screw Finish-  Black Nitride
Series PFS2-U
Metric Sizes
Part
Number
Thread "C"
Max.
"E" "G" "H" "P" "T1"
Max.
"T2"
Nom.
Min.
Distance
to Edge
Hole
in Sheet
  PFS2-M3-40-U M3 x 0.5 6.71
mm
7.92
mm
6.40
mm
1.83
mm
0.00
mm
9.14
mm
13.72
mm
6.35
mm
6.73
mm
  PFS2-M3-62-U M3 x 0.5 6.71
mm
7.92
mm
9.50
mm
1.83
mm
3.20
mm
9.14
mm
13.72
mm
6.35
mm
6.73
mm
  PFS2-M4-50-U M4 x 0.7 7.90
mm
9.53
mm
7.90
mm
2.08
mm
0.00
mm
11.43
mm
17.53
mm
7.87
mm
7.92
mm
  PFS2-M4-72-U M4 x 0.7 7.90
mm
9.53
mm
11.10
mm
2.08
mm
3.20
mm
11.43
mm
17.53
mm
7.87
mm
7.92
mm
  PFS2-M4-94-U M4 x 0.7 7.90
mm
9.53
mm
14.30
mm
2.08
mm
6.40
mm
11.43
mm
17.53
mm
7.87
mm
7.92
mm
  PFS2-M5-50-U M5 x 0.8 8.72
mm
10.31
mm
7.90
mm
2.08
mm
0.00
mm
11.47
mm
17.53
mm
8.63
mm
8.74
mm
  PFS2-M5-72-U M5 x 0.8 8.72
mm
10.31
mm
11.10
mm
2.08
mm
3.20
mm
11.47
mm
17.53
mm
8.63
mm
8.74
mm
  PFS2-M5-94-U M5 x 0.8 8.72
mm
10.31
mm
14.30
mm
2.08
mm
6.40
mm
11.47
mm
17.53
mm
8.63
mm
8.74
mm
  PFS2-M6-60-U M6 x 1.0 10.47
mm
11.89
mm
9.50
mm
2.46
mm
0.00
mm
14.73
mm
22.35
mm
9.65
mm
10.49
mm
  PFS2-M6-82-U M6 x 1.0 10.47
mm
11.89
mm
12.70
mm
2.46
mm
3.20
mm
14.73
mm
22.35
mm
9.65
mm
10.49
mm
  PFS2-M6-04-U M6 x 1.0 10.47
mm
11.89
mm
15.90
mm
2.46
mm
6.40
mm
14.73
mm
22.35
mm
9.65
mm
10.49
mm
*OPTIONAL FINISH  (Part Numbers with "BN")
  PFS2-M3-40-BN-U M3 x 0.5 6.71
mm
7.92
mm
6.40
mm
1.83
mm
0.00
mm
9.14
mm
13.72
mm
6.35
mm
6.73
mm
  PFS2-M3-62-BN-U M3 x 0.5 6.71
mm
7.92
mm
9.50
mm
1.83
mm
3.20
mm
9.14
mm
13.72
mm
6.35
mm
6.73
mm
  PFS2-M4-50-BN-U M4 x 0.7 7.90
mm
9.53
mm
7.90
mm
2.08
mm
0.00
mm
11.43
mm
17.53
mm
7.87
mm
7.92
mm
  PFS2-M4-72-BN-U M4 x 0.7 7.90
mm
9.53
mm
11.10
mm
2.08
mm
3.20
mm
11.43
mm
17.53
mm
7.87
mm
7.92
mm
  PFS2-M4-94-BN-U M4 x 0.7 7.90
mm
9.53
mm
14.30
mm
2.08
mm
6.40
mm
11.43
mm
17.53
mm
7.87
mm
7.92
mm
  PFS2-M5-50-BN-U M5 x 0.8 8.72
mm
10.31
mm
7.90
mm
2.08
mm
0.00
mm
11.47
mm
17.53
mm
8.63
mm
8.74
mm
  PFS2-M5-72-BN-U M5 x 0.8 8.72
mm
10.31
mm
11.10
mm
2.08
mm
3.20
mm
11.47
mm
17.53
mm
8.63
mm
8.74
mm
  PFS2-M5-94-BN-U M5 x 0.8 8.72
mm
10.31
mm
14.30
mm
2.08
mm
6.40
mm
11.47
mm
17.53
mm
8.63
mm
8.74
mm
  PFS2-M6-60-BN-U M6 x 1.0 10.47
mm
11.89
mm
9.50
mm
2.46
mm
0.00
mm
14.73
mm
22.35
mm
9.65
mm
10.49
mm
  PFS2-M6-82-BN-U M6 x 1.0 10.47
mm
11.89
mm
12.70
mm
2.46
mm
3.20
mm
14.73
mm
22.35
mm
9.65
mm
10.49
mm
  PFS2-M6-04-BN-U M6 x 1.0 10.47
mm
11.89
mm
15.90
mm
2.46
mm
6.40
mm
14.73
mm
22.35
mm
9.65
mm
10.49
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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