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Spring-Loaded Low-Profile Knob Panel Fasteners
PF52-U,  PF52LS-U,  PF52L-U

Self Clinching Fasteners  •  Captive Panel Screws & Hardware
American Standard (Inches) & Metric Sizes
• Self-clinching   • Low-profile   • Positive stop   • Phillips head or Torx®   • Held captive to a panel
• Installed by tool or hand   • Shouldered retainer   • Installed quickly and easily
American Standard Sizes:   • Series PF52-U    • Series PF52LS-U    • Series PF52L-U
Metric Sizes:   • Series PF52-U    • Series PF52LS-U    • Series PF52L-U
Series  PF52-U
Series  PF52-U  /  American Standard Sizes
      • Type-  Knurled Cap
      • "A" (Shank) Max.-  0.058"
      • Min. Sheet Thickness-  0.060"
      • Sheet Hardness-  HRB 60 / HB 107 or Less
      • Retainer Material-  Carbon Steel
      • Screw Material-  Heat-Treated Carbon Steel
      • Spring Material-  300 Series Stainless Steel
      • Mil-Spec-  N/A
                            STANDARD FINISH  (Part Numbers with "BN")
      • Retainer Finish-  Black Nitride
      • Screw Finish-  Black Nitride
                            OPTIONAL FINISH  (Part Numbers with "CN")
      • Retainer Finish-  Bright nickel over copper flash per ASTM B689
      • Screw Finish-  Bright nickel over copper flash per ASTM B689
Series PF52-U
American Standard Sizes
(SAE)
Part
Number
Thread "C"
Max.
"E" "G"
Screw
Length
"H" "P" "T1"
Max.
"T2"
Nom.
Driver
Type
Hole
in Sheet
Min.
Distance
to Edge
  PF52-440-0-BN-U 4-40 0.202" 0.406" 0.230" 0.207" 0.000" 0.340" 0.520" #1 Phillips 0.203" 0.260"
  PF52-440-1-BN-U 4-40 0.202" 0.406" 0.290" 0.207" 0.060" 0.340" 0.520" #1 Phillips 0.203" 0.260"
  PF52-632-0-BN-U 6-32 0.218" 0.438" 0.230" 0.207" 0.000" 0.340" 0.520" #2 Phillips 0.219" 0.280"
  PF52-632-1-BN-U 6-32 0.218" 0.438" 0.290" 0.207" 0.060" 0.340" 0.520" #2 Phillips 0.219" 0.280"
  PF52-832-0-BN-U 8-32 0.249" 0.468" 0.230" 0.217" 0.000" 0.340" 0.520" #2 Phillips 0.250" 0.290"
  PF52-832-1-BN-U 8-32 0.249" 0.468" 0.290" 0.217" 0.060" 0.340" 0.520" #2 Phillips 0.250" 0.290"
  PF52-032-0-BN-U 10-32 0.311" 0.530" 0.230" 0.225" 0.000" 0.340" 0.530" #2 Phillips 0.312" 0.330"
  PF52-032-1-BN-U 10-32 0.311" 0.530" 0.290" 0.225" 0.060" 0.340" 0.530" #2 Phillips 0.312" 0.330"
  PF52-0420-0-BN-U 1/4-20 0.374" 0.625" 0.280" 0.246" 0.000" 0.395" 0.600" #2 Phillips 0.375" 0.380"
  PF52-0420-1-BN-U 1/4-20 0.374" 0.625" 0.340" 0.246" 0.060" 0.395" 0.600" #2 Phillips 0.375" 0.380"
 
  PF52-440-0-CN-U 4-40 0.202" 0.406" 0.230" 0.207" 0.000" 0.340" 0.520" #1 Phillips 0.203" 0.260"
  PF52-440-1-CN-U 4-40 0.202" 0.406" 0.290" 0.207" 0.060" 0.340" 0.520" #1 Phillips 0.203" 0.260"
  PF52-632-0-CN-U 6-32 0.218" 0.438" 0.230" 0.207" 0.000" 0.340" 0.520" #2 Phillips 0.219" 0.280"
  PF52-632-1-CN-U 6-32 0.218" 0.438" 0.290" 0.207" 0.060" 0.340" 0.520" #2 Phillips 0.219" 0.280"
  PF52-832-0-CN-U 8-32 0.249" 0.468" 0.230" 0.217" 0.000" 0.340" 0.520" #2 Phillips 0.250" 0.290"
  PF52-832-1-CN-U 8-32 0.249" 0.468" 0.290" 0.217" 0.060" 0.340" 0.520" #2 Phillips 0.250" 0.290"
  PF52-032-0-CN-U 10-32 0.311" 0.530" 0.230" 0.225" 0.000" 0.340" 0.530" #2 Phillips 0.312" 0.330"
  PF52-032-1-CN-U 10-32 0.311" 0.530" 0.290" 0.225" 0.060" 0.340" 0.530" #2 Phillips 0.312" 0.330"
  PF52-0420-0-CN-U 1/4-20 0.374" 0.625" 0.280" 0.246" 0.000" 0.395" 0.600" #2 Phillips 0.375" 0.380"
  PF52-0420-1-CN-U 1/4-20 0.374" 0.625" 0.340" 0.246" 0.060" 0.395" 0.600" #2 Phillips 0.375" 0.380"
Series  PF52-U  /  Metric Sizes
      • Type-  Knurled Cap
      • "A" (Shank) Max.-  1.48 mm
      • Min. Sheet Thickness-  1.50 mm
      • Sheet Hardness-  HRB 60 / HB 107 or Less
      • Retainer Material-  Carbon Steel
      • Screw Material-  Heat-Treated Carbon Steel
      • Spring Material-  300 Series Stainless Steel
      • Mil-Spec-  N/A
                            STANDARD FINISH  (Part Numbers with "BN")
      • Retainer Finish-  Black Nitride
      • Screw Finish-  Black Nitride
                            OPTIONAL FINISH  (Part Numbers with "CN")
      • Retainer Finish-  Bright nickel over copper flash per ASTM B689
      • Screw Finish-  Bright nickel over copper flash per ASTM B689
Series PF52-U
Metric Sizes
Part
Number
Thread "C"
Max.
"E" "G"
Screw
Length
"H" "P" "T1"
Max.
"T2"
Nom.
Driver
Type
Hole
in Sheet
Min.
Distance
to Edge
  PF52-M3-0-BN-U M3 x 0.5 5.48
mm
10.30
mm
5.84
mm
5.26
mm
0.00
mm
8.64
mm
13.21
mm
#1 Phillips 5.50
mm
6.60
mm
  PF52-M3-1-BN-U M3 x 0.5 5.48
mm
10.30
mm
7.37
mm
5.26
mm
0.81
mm
8.64
mm
13.21
mm
#1 Phillips 5.50
mm
6.60
mm
  PF52-M3.5-0-BN-U M3.5 x 0.6 5.54
mm
11.10
mm
5.84
mm
5.26
mm
0.00
mm
8.64
mm
13.21
mm
#2 Phillips 5.56
mm
7.10
mm
  PF52-M3.5-1-BN-U M3.5 x 0.6 5.54
mm
11.10
mm
7.37
mm
5.26
mm
0.81
mm
8.64
mm
13.21
mm
#2 Phillips 5.56
mm
7.10
mm
  PF52-M4-0-BN-U M4 x 0.7 6.38
mm
11.90
mm
5.84
mm
5.51
mm
0.00
mm
8.64
mm
13.46
mm
#2 Phillips 6.40
mm
7.40
mm
  PF52-M4-1-BN-U M4 x 0.7 6.38
mm
11.90
mm
7.37
mm
5.51
mm
0.81
mm
8.64
mm
13.46
mm
#2 Phillips 6.40
mm
7.40
mm
  PF52-M5-0-BN-U M5 x 0.8 7.98
mm
13.50
mm
5.84
mm
5.72
mm
0.00
mm
8.64
mm
13.46
mm
#2 Phillips 8.00
mm
8.40
mm
  PF52-M5-1-BN-U M5 x 0.8 7.98
mm
13.50
mm
5.84
mm
5.72
mm
0.81
mm
8.64
mm
13.46
mm
#2 Phillips 8.00
mm
8.40
mm
  PF52-M6-0-BN-U M6 x 1.0 9.48
mm
15.90
mm
7.11
mm
6.25
mm
0.00
mm
10.04
mm
15.24
mm
#2 Phillips 9.50
mm
9.70
mm
  PF52-M6-1-BN-U M6 x 1.0 9.48
mm
15.90
mm
8.64
mm
6.25
mm
1.52
mm
10.04
mm
15.24
mm
#2 Phillips 9.50
mm
9.70
mm
 
  PF52-M3-0-CN-U M3 x 0.5 5.48
mm
10.30
mm
5.84
mm
5.26
mm
0.00
mm
8.64
mm
13.21
mm
#1 Phillips 5.50
mm
6.60
mm
  PF52-M3-1-CN-U M3 x 0.5 5.48
mm
10.30
mm
7.37
mm
5.26
mm
0.81
mm
8.64
mm
13.21
mm
#1 Phillips 5.50
mm
6.60
mm
  PF52-M3.5-0-CN-U M3.5 x 0.6 5.54
mm
11.10
mm
5.84
mm
5.26
mm
0.00
mm
8.64
mm
13.21
mm
#2 Phillips 5.56
mm
7.10
mm
  PF52-M3.5-1-CN-U M3.5 x 0.6 5.54
mm
11.10
mm
7.37
mm
5.26
mm
0.81
mm
8.64
mm
13.21
mm
#2 Phillips 5.56
mm
7.10
mm
  PF52-M4-0-CN-U M4 x 0.7 6.38
mm
11.90
mm
5.84
mm
5.51
mm
0.00
mm
8.64
mm
13.46
mm
#2 Phillips 6.40
mm
7.40
mm
  PF52-M4-1-CN-U M4 x 0.7 6.38
mm
11.90
mm
7.37
mm
5.51
mm
0.81
mm
8.64
mm
13.46
mm
#2 Phillips 6.40
mm
7.40
mm
  PF52-M5-0-CN-U M5 x 0.8 7.98
mm
13.50
mm
5.84
mm
5.72
mm
0.00
mm
8.64
mm
13.46
mm
#2 Phillips 8.00
mm
8.40
mm
  PF52-M5-1-CN-U M5 x 0.8 7.98
mm
13.50
mm
7.37
mm
5.72
mm
0.81
mm
8.64
mm
13.46
mm
#2 Phillips 8.00
mm
8.40
mm
  PF52-M6-0-CN-U M6 x 1.0 9.48
mm
15.90
mm
7.11
mm
6.25
mm
0.00
mm
10.04
mm
15.24
mm
#2 Phillips 9.50
mm
9.70
mm
  PF52-M6-1-CN-U M6 x 1.0 9.48
mm
15.90
mm
8.64
mm
6.25
mm
1.52
mm
10.04
mm
15.24
mm
#2 Phillips 9.50
mm
9.70
mm
Series  PF52LS-U
Series  PF52LS-U  / American Standard Sizes
      • Type-  Knurled Cap
      • "A" (Shank) Max.-  0.058"
      • Min. Sheet Thickness-  0.060"
      • Sheet Hardness-  HRB 60 / HB 107 or Less
      • Retainer Material-  Carbon Steel
      • Screw Material-  Heat-Treated Carbon Steel
      • Spring Material-  300 Series Stainless Steel
      • Mil-Spec-  N/A
                            STANDARD FINISH  (Part Numbers with "BN")
      • Retainer Finish-  Black Nitride
      • Screw Finish-  Black Nitride
                            OPTIONAL FINISH  (Part Numbers with "CN")
      • Retainer Finish-  Bright nickel over copper flash per ASTM B689
      • Screw Finish-  Bright nickel over copper flash per ASTM B689
Series PF52LS-U
American Standard Sizes
(SAE)
Part
Number
Thread "C"
Max.
"E" "G"
Screw
Length
"H" "P" "T1"
Max.
"T2"
Nom.
Driver
Type
Hole
in Sheet
Min.
Distance
to Edge
  PF52LS-440-0-BN-U 4-40 0.202" 0.406" 0.230" 0.207" 0.000" 0.340" 0.520" Torx®/Slot Combination 0.203" 0.260"
  PF52LS-440-1-BN-U 4-40 0.202" 0.406" 0.290" 0.207" 0.060" 0.340" 0.520" Torx®/Slot Combination 0.203" 0.260"
  PF52LS-632-0-BN-U 6-32 0.218" 0.438" 0.230" 0.207" 0.000" 0.340" 0.520" Torx®/Slot Combination 0.219" 0.280"
  PF52LS-632-1-BN-U 6-32 0.218" 0.438" 0.290" 0.207" 0.060" 0.340" 0.520" Torx®/Slot Combination 0.219" 0.280"
  PF52LS-832-0-BN-U 8-32 0.249" 0.468" 0.230" 0.217" 0.000" 0.340" 0.520" Torx®/Slot Combination 0.250" 0.290"
  PF52LS-832-1-BN-U 8-32 0.249" 0.468" 0.290" 0.217" 0.060" 0.340" 0.520" Torx®/Slot Combination 0.250" 0.290"
  PF52LS-032-0-BN-U 10-32 0.311" 0.530" 0.230" 0.225" 0.000" 0.340" 0.530" Torx®/Slot Combination 0.312" 0.330"
  PF52LS-032-1-BN-U 10-32 0.311" 0.530" 0.290" 0.225" 0.060" 0.340" 0.530" Torx®/Slot Combination 0.312" 0.330"
  PF52LS-0420-0-BN-U 1/4-20 0.374" 0.625" 0.280" 0.246" 0.000" 0.395" 0.600" Torx®/Slot Combination 0.375" 0.380"
  PF52LS-0420-1-BN-U 1/4-20 0.374" 0.625" 0.340" 0.246" 0.060" 0.395" 0.600" Torx®/Slot Combination 0.375" 0.380"
 
  PF52LS-440-0-CN-U 4-40 0.202" 0.406" 0.230" 0.207" 0.000" 0.340" 0.520" Torx®/Slot Combination 0.203" 0.260"
  PF52LS-440-1-CN-U 4-40 0.202" 0.406" 0.290" 0.207" 0.060" 0.340" 0.520" Torx®/Slot Combination 0.203" 0.260"
  PF52LS-632-0-CN-U 6-32 0.218" 0.438" 0.230" 0.207" 0.000" 0.340" 0.520" Torx®/Slot Combination 0.219" 0.280"
  PF52LS-632-1-CN-U 6-32 0.218" 0.438" 0.290" 0.207" 0.060" 0.340" 0.520" Torx®/Slot Combination 0.219" 0.280"
  PF52LS-832-0-CN-U 8-32 0.249" 0.468" 0.230" 0.217" 0.000" 0.340" 0.520" Torx®/Slot Combination 0.250" 0.290"
  PF52LS-832-1-CN-U 8-32 0.249" 0.468" 0.290" 0.217" 0.060" 0.340" 0.520" Torx®/Slot Combination 0.250" 0.290"
  PF52LS-032-0-CN-U 10-32 0.311" 0.530" 0.230" 0.225" 0.000" 0.340" 0.530" Torx®/Slot Combination 0.312" 0.330"
  PF52LS-032-1-CN-U 10-32 0.311" 0.530" 0.290" 0.225" 0.060" 0.340" 0.530" Torx®/Slot Combination 0.312" 0.330"
  PF52LS-0420-0-CN-U 1/4-20 0.374" 0.625" 0.280" 0.246" 0.000" 0.395" 0.600" Torx®/Slot Combination 0.375" 0.380"
  PF52LS-0420-1-CN-U 1/4-20 0.374" 0.625" 0.340" 0.246" 0.060" 0.395" 0.600" Torx®/Slot Combination 0.375" 0.380"
Series  PF52LS-U  /  Metric Sizes
      • Type-  Knurled Cap
      • "A" (Shank) Max.-  1.48 mm
      • Min. Sheet Thickness-  1.50 mm
      • Sheet Hardness-  HRB 60 / HB 107 or Less
      • Retainer Material-  Carbon Steel
      • Screw Material-  Heat-Treated Carbon Steel
      • Spring Material-  300 Series Stainless Steel
      • Mil-Spec-  N/A
                            STANDARD FINISH  (Part Numbers with "BN")
      • Retainer Finish-  Black Nitride
      • Screw Finish-  Black Nitride
                            OPTIONAL FINISH  (Part Numbers with "CN")
      • Retainer Finish-  Bright nickel over copper flash per ASTM B689
      • Screw Finish-  Bright nickel over copper flash per ASTM B689
Series PF52LS-U
Metric Sizes
Part
Number
Thread "C"
Max.
"E" "G"
Screw
Length
"H" "P" "T1"
Max.
"T2"
Nom.
Driver
Type
Hole
in Sheet
Min.
Distance
to Edge
  PF52LS-M3-0-BN-U M3 x 0.5 5.48
mm
10.30
mm
5.84
mm
5.26
mm
0.00
mm
8.64
mm
13.21
mm
Torx®/Slot Combination 5.50
mm
6.60
mm
  PF52LS-M3-1-BN-U M3 x 0.5 5.48
mm
10.30
mm
7.37
mm
5.26
mm
1.52
mm
8.64
mm
13.21
mm
Torx®/Slot Combination 5.50
mm
6.60
mm
  PF52LS-M3.5-0-BN-U M3.5 x 0.6 5.54
mm
11.10
mm
5.84
mm
5.26
mm
0.00
mm
8.64
mm
13.21
mm
Torx®/Slot Combination 5.56
mm
7.10
mm
  PF52LS-M3.5-1-BN-U M3.5 x 0.6 5.54
mm
11.10
mm
7.37
mm
5.26
mm
1.52
mm
8.64
mm
13.21
mm
Torx®/Slot Combination 5.56
mm
7.10
mm
  PF52LS-M4-0-BN-U M4 x 0.7 6.38
mm
11.90
mm
5.84
mm
5.51
mm
0.00
mm
8.64
mm
13.46
mm
Torx®/Slot Combination 6.40
mm
7.40
mm
  PF52LS-M4-1-BN-U M4 x 0.7 6.38
mm
11.90
mm
7.37
mm
5.51
mm
1.52
mm
8.64
mm
13.46
mm
Torx®/Slot Combination 6.40
mm
7.40
mm
  PF52LS-M5-0-BN-U M5 x 0.8 7.98
mm
13.50
mm
5.84
mm
5.72
mm
0.00
mm
8.64
mm
13.46
mm
Torx®/Slot Combination 8.00
mm
8.40
mm
  PF52LS-M5-1-BN-U M5 x 0.8 7.98
mm
13.50
mm
5.84
mm
5.72
mm
1.52
mm
8.64
mm
13.46
mm
Torx®/Slot Combination 8.00
mm
8.40
mm
  PF52LS-M6-0-BN-U M6 x 1.0 9.48
mm
15.90
mm
7.11
mm
6.25
mm
0.00
mm
10.04
mm
15.24
mm
Torx®/Slot Combination 9.50
mm
9.70
mm
  PF52LS-M6-1-BN-U M6 x 1.0 9.48
mm
15.90
mm
8.64
mm
6.25
mm
1.52
mm
10.04
mm
15.24
mm
Torx®/Slot Combination 9.50
mm
9.70
mm
 
  PF52LS-M3-0-CN-U M3 x 0.5 5.48
mm
10.30
mm
5.84
mm
5.26
mm
0.00
mm
8.64
mm
13.21
mm
Torx®/Slot Combination 5.50
mm
6.60
mm
  PF52LS-M3-1-CN-U M3 x 0.5 5.48
mm
10.30
mm
7.37
mm
5.26
mm
1.52
mm
8.64
mm
13.21
mm
Torx®/Slot Combination 5.50
mm
6.60
mm
  PF52LS-M3.5-0-CN-U M3.5 x 0.6 5.54
mm
11.10
mm
5.84
mm
5.26
mm
0.00
mm
8.64
mm
13.21
mm
Torx®/Slot Combination 5.56
mm
7.10
mm
  PF52LS-M3.5-1-CN-U M3.5 x 0.6 5.54
mm
11.10
mm
7.37
mm
5.26
mm
1.52
mm
8.64
mm
13.21
mm
Torx®/Slot Combination 5.56
mm
7.10
mm
  PF52LS-M4-0-CN-U M4 x 0.7 6.38
mm
11.90
mm
5.84
mm
5.51
mm
0.00
mm
8.64
mm
13.46
mm
Torx®/Slot Combination 6.40
mm
7.40
mm
  PF52LS-M4-1-CN-U M4 x 0.7 6.38
mm
11.90
mm
7.37
mm
5.51
mm
1.52
mm
8.64
mm
13.46
mm
Torx®/Slot Combination 6.40
mm
7.40
mm
  PF52LS-M5-0-CN-U M5 x 0.8 7.98
mm
13.50
mm
5.84
mm
5.72
mm
0.00
mm
8.64
mm
13.46
mm
Torx®/Slot Combination 8.00
mm
8.40
mm
  PF52LS-M5-1-CN-U M5 x 0.8 7.98
mm
13.50
mm
7.37
mm
5.72
mm
1.52
mm
8.64
mm
13.46
mm
Torx®/Slot Combination 8.00
mm
8.40
mm
  PF52LS-M6-0-CN-U M6 x 1.0 9.48
mm
15.90
mm
7.11
mm
6.25
mm
0.00
mm
10.04
mm
15.24
mm
Torx®/Slot Combination 9.50
mm
9.70
mm
  PF52LS-M6-1-CN-U M6 x 1.0 9.48
mm
15.90
mm
8.64
mm
6.25
mm
1.52
mm
10.04
mm
15.24
mm
Torx®/Slot Combination 9.50
mm
9.70
mm
Series  PF52L-U
Series  PF52L-U  /  American Standard Sizes
      • Type-  Knurled Cap
      • "A" (Shank) Max.-  0.058"
      • Min. Sheet Thickness-  0.060"
      • Sheet Hardness-  HRB 60 / HB 107 or Less
      • Retainer Material-  Carbon Steel
      • Screw Material-  Heat-Treated Carbon Steel
      • Spring Material-  300 Series Stainless Steel
      • Mil-Spec-  N/A
                            STANDARD FINISH  (Part Numbers with "BN")
      • Retainer Finish-  Black Nitride
      • Screw Finish-  Black Nitride
                            OPTIONAL FINISH  (Part Numbers with "CN")
      • Retainer Finish-  Bright nickel over copper flash per ASTM B689
      • Screw Finish-  Bright nickel over copper flash per ASTM B689
Series PF52L-U
American Standard Sizes
(SAE)
Part
Number
Thread "C"
Max.
"E" "G"
Screw
Length
"H" "P" "T1"
Max.
"T2"
Nom.
Driver
Type
Hole
in Sheet
Min.
Distance
to Edge
  PF52L-440-0-BN-U 4-40 0.202" 0.406" 0.230" 0.207" 0.000" 0.340" 0.520" Torx®/
Torx Plus®
0.203" 0.260"
  PF52L-440-1-BN-U 4-40 0.202" 0.406" 0.290" 0.207" 0.060" 0.340" 0.520" Torx®/
Torx Plus®
0.203" 0.260"
  PF52L-632-0-BN-U 6-32 0.218" 0.438" 0.230" 0.207" 0.000" 0.340" 0.520" Torx®/
Torx Plus®
0.219" 0.280"
  PF52L-632-1-BN-U 6-32 0.218" 0.438" 0.290" 0.207" 0.060" 0.340" 0.520" Torx®/
Torx Plus®
0.219" 0.280"
  PF52L-832-0-BN-U 8-32 0.249" 0.468" 0.230" 0.217" 0.000" 0.340" 0.520" Torx®/
Torx Plus®
0.250" 0.290"
  PF52L-832-1-BN-U 8-32 0.249" 0.468" 0.290" 0.217" 0.060" 0.340" 0.520" Torx®/
Torx Plus®
0.250" 0.290"
  PF52L-032-0-BN-U 10-32 0.311" 0.530" 0.230" 0.225" 0.000" 0.340" 0.530" Torx®/
Torx Plus®
0.312" 0.330"
  PF52L-032-1-BN-U 10-32 0.311" 0.530" 0.290" 0.225" 0.060" 0.340" 0.530" Torx®/
Torx Plus®
0.312" 0.330"
  PF52L-0420-0-BN-U 1/4-20 0.374" 0.625" 0.280" 0.246" 0.000" 0.395" 0.600" Torx®/
Torx Plus®
0.375" 0.380"
  PF52L-0420-1-BN-U 1/4-20 0.374" 0.625" 0.340" 0.246" 0.060" 0.395" 0.600" Torx®/
Torx Plus®
0.375" 0.380"
 
  PF52L-440-0-CN-U 4-40 0.202" 0.406" 0.230" 0.207" 0.000" 0.340" 0.520" Torx®/
Torx Plus®
0.203" 0.260"
  PF52L-440-1-CN-U 4-40 0.202" 0.406" 0.290" 0.207" 0.060" 0.340" 0.520" Torx®/
Torx Plus®
0.203" 0.260"
  PF52L-632-0-CN-U 6-32 0.218" 0.438" 0.230" 0.207" 0.000" 0.340" 0.520" Torx®/
Torx Plus®
0.219" 0.280"
  PF52L-632-1-CN-U 6-32 0.218" 0.438" 0.290" 0.207" 0.060" 0.340" 0.520" Torx®/
Torx Plus®
0.219" 0.280"
  PF52L-832-0-CN-U 8-32 0.249" 0.468" 0.230" 0.217" 0.000" 0.340" 0.520" Torx®/
Torx Plus®
0.250" 0.290"
  PF52L-832-1-CN-U 8-32 0.249" 0.468" 0.290" 0.217" 0.060" 0.340" 0.520" Torx®/
Torx Plus®
0.250" 0.290"
  PF52L-032-0-CN-U 10-32 0.311" 0.530" 0.230" 0.225" 0.000" 0.340" 0.530" Torx®/
Torx Plus®
0.312" 0.330"
  PF52L-032-1-CN-U 10-32 0.311" 0.530" 0.340" 0.225" 0.060" 0.340" 0.530" Torx®/
Torx Plus®
0.312" 0.330"
  PF52L-0420-0-CN-U 1/4-20 0.374" 0.625" 0.280" 0.246" 0.000" 0.395" 0.600" Torx®/
Torx Plus®
0.375" 0.380"
  PF52L-0420-1-CN-U 1/4-20 0.374" 0.625" 0.340" 0.246" 0.060" 0.395" 0.600" Torx®/
Torx Plus®
0.375" 0.380"
Series  PF52L-U  / Metric Sizes
      • Type-  Knurled Cap
      • "A" (Shank) Max.-  1.48 mm
      • Min. Sheet Thickness-  1.50 mm
      • Sheet Hardness-  HRB 60 / HB 107 or Less
      • Retainer Material-  Carbon Steel
      • Screw Material-  Heat-Treated Carbon Steel
      • Spring Material-  300 Series Stainless Steel
      • Mil-Spec-  N/A
                            STANDARD FINISH  (Part Numbers with "BN")
      • Retainer Finish-  Black Nitride
      • Screw Finish-  Black Nitride
                            OPTIONAL FINISH  (Part Numbers with "CN")
      • Retainer Finish-  Bright nickel over copper flash per ASTM B689
      • Screw Finish-  Bright nickel over copper flash per ASTM B689
Series PF52L-U
Metric Sizes
Part
Number
Thread "C"
Max.
"E" "G"
Screw
Length
"H" "P" "T1"
Max.
"T2"
Nom.
Driver
Type
Hole
in Sheet
Min.
Distance
to Edge
  PF52L-M3-0-BN-U M3 x 0.5 5.48
mm
10.30
mm
5.84
mm
5.26
mm
0.00
mm
8.64
mm
13.21
mm
Torx®/
Torx Plus®
5.50
mm
6.60
mm
  PF52L-M3-1-BN-U M3 x 0.5 5.48
mm
10.30
mm
7.37
mm
5.26
mm
1.52
mm
8.64
mm
13.21
mm
Torx®/
Torx Plus®
5.50
mm
6.60
mm
  PF52L-M3.5-0-BN-U M3.5 x 0.6 5.54
mm
11.10
mm
5.84
mm
5.26
mm
0.00
mm
8.64
mm
13.21
mm
Torx®/
Torx Plus®
5.56
mm
7.10
mm
  PF52L-M3.5-1-BN-U M3.5 x 0.6 5.54
mm
11.10
mm
7.37
mm
5.26
mm
1.52
mm
8.64
mm
13.21
mm
Torx®/
Torx Plus®
5.56
mm
7.10
mm
  PF52L-M4-0-BN-U M4 x 0.7 6.38
mm
11.90
mm
5.84
mm
5.51
mm
0.00
mm
8.64
mm
13.46
mm
Torx®/
Torx Plus®
6.40
mm
7.40
mm
  PF52L-M4-1-BN-U M4 x 0.7 6.38
mm
11.90
mm
7.37
mm
5.51
mm
1.52
mm
8.64
mm
13.46
mm
Torx®/
Torx Plus®
6.40
mm
7.40
mm
  PF52L-M5-0-BN-U M5 x 0.8 7.98
mm
13.50
mm
5.84
mm
5.72
mm
0.00
mm
8.64
mm
13.46
mm
Torx®/
Torx Plus®
8.00
mm
8.40
mm
  PF52L-M5-1-BN-U M5 x 0.8 7.98
mm
13.50
mm
5.84
mm
5.72
mm
1.52
mm
8.64
mm
13.46
mm
Torx®/
Torx Plus®
8.00
mm
8.40
mm
  PF52L-M6-0-BN-U M6 x 1.0 9.48
mm
15.90
mm
7.11
mm
6.25
mm
0.00
mm
10.04
mm
15.24
mm
Torx®/
Torx Plus®
9.50
mm
9.70
mm
  PF52L-M6-1-BN-U M6 x 1.0 9.48
mm
15.90
mm
8.64
mm
6.25
mm
1.52
mm
10.04
mm
15.24
mm
Torx®/
Torx Plus®
9.50
mm
9.70
mm
 
  PF52L-M3-0-CN-U M3 x 0.5 5.48
mm
10.30
mm
5.84
mm
5.26
mm
0.00
mm
8.64
mm
13.21
mm
Torx®/
Torx Plus®
5.50
mm
6.60
mm
  PF52L-M3-1-CN-U M3 x 0.5 5.48
mm
10.30
mm
7.37
mm
5.26
mm
1.52
mm
8.64
mm
13.21
mm
Torx®/
Torx Plus®
5.50
mm
6.60
mm
  PF52L-M3.5-0-CN-U M3.5 x 0.6 5.54
mm
11.10
mm
5.84
mm
5.26
mm
0.00
mm
8.64
mm
13.21
mm
Torx®/
Torx Plus®
5.56
mm
7.10
mm
  PF52L-M3.5-1-CN-U M3.5 x 0.6 5.54
mm
11.10
mm
7.37
mm
5.26
mm
1.52
mm
8.64
mm
13.21
mm
Torx®/
Torx Plus®
5.56
mm
7.10
mm
  PF52L-M4-0-CN-U M4 x 0.7 6.38
mm
11.90
mm
5.84
mm
5.51
mm
0.00
mm
8.64
mm
13.46
mm
Torx®/
Torx Plus®
6.40
mm
7.40
mm
  PF52L-M4-1-CN-U M4 x 0.7 6.38
mm
11.90
mm
7.37
mm
5.51
mm
1.52
mm
8.64
mm
13.46
mm
Torx®/
Torx Plus®
6.40
mm
7.40
mm
  PF52L-M5-0-CN-U M5 x 0.8 7.98
mm
13.50
mm
5.84
mm
5.72
mm
0.00
mm
8.64
mm
13.46
mm
Torx®/
Torx Plus®
8.00
mm
8.40
mm
  PF52L-M5-1-CN-U M5 x 0.8 7.98
mm
13.50
mm
7.37
mm
5.72
mm
1.52
mm
8.64
mm
13.46
mm
Torx®/
Torx Plus®
8.00
mm
8.40
mm
  PF52L-M6-0-CN-U M6 x 1.0 9.48
mm
15.90
mm
7.11
mm
6.25
mm
0.00
mm
10.04
mm
15.24
mm
Torx®/
Torx Plus®
9.50
mm
9.70
mm
  PF52L-M6-1-CN-U M6 x 1.0 9.48
mm
15.90
mm
8.64
mm
6.25
mm
1.52
mm
10.04
mm
15.24
mm
Torx®/
Torx Plus®
9.50
mm
9.70
mm
 

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  American Standard:

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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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