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Broaching Captive Screws  PFK-U

Self Clinching Fasteners  •  Fasteners for PC Boards
American Standard (Inches) & Metric Sizes
• Self-clinching    • Permanently installed    • Used to attach screw assembles to PC Boards
• Screw assembles stay captive    • PC Board is easily mounted and removed
• Minimum sheet thickness of 0.060" /1.53 mm
American Standard Sizes:   • Series  PFK-U
Metric Sizes:   • Series  PFK-U
Series  PFK-U
Series  PFK-U  /  American Standard Sizes
      • "A" (Shank) Max.-  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
      • Retainer Finish-  Passivated per ASTM A380
      • Screw Finish-  Passivated per ASTM A380
      • Mil-Spec-  N/A
Series PFK-U
American Standard Sizes
(SAE)
Part
Number
Thread
Size
"C" "E" "G"
Screw
Length
"H" "P" "T1"
Max.
"T2"
Nom.
Min.
Sheet
Thickness
Hole
Size in
Sheet
Min.
Distance
to Edge
  PFK-440-40-U 4-40 0.283" 0.312" 0.250" 0.072" 0.000" 0.360" 0.540" 0.060" 0.265" 0.200"
  PFK-440-62-U 4-40 0.283" 0.312" 0.375" 0.072" 0.125" 0.360" 0.540" 0.060" 0.265" 0.200"
  PFK-440-84-U 4-40 0.283" 0.312" 0.500" 0.072" 0.250" 0.360" 0.540" 0.060" 0.265" 0.200"
  PFK-632-40-U 6-32 0.299" 0.344" 0.250" 0.072" 0.000" 0.360" 0.540" 0.060" 0.281" 0.260"
  PFK-632-62-U 6-32 0.299" 0.344" 0.375" 0.072" 0.125" 0.360" 0.540" 0.060" 0.281" 0.260"
  PFK-632-84-U 6-32 0.299" 0.344" 0.500" 0.072" 0.250" 0.360" 0.540" 0.060" 0.281" 0.260"
Series  PFK-U  /  Metric Sizes
      • "A" (Shank) Max.-  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
      • Retainer Finish-  Passivated per ASTM A380
      • Screw Finish-  Passivated per ASTM A380
      • Mil-Spec-  N/A
Series PFK-U
Metric Sizes
Part
Number
Thread
Size
"C" "E" "G"
Screw
Length
"H" "P" "T1"
Max.
"T2"
Nom.
Min.
Sheet
Thickness
Hole
Size in
Sheet
Min.
Distance
to Edge
  PFK-M3-40-U M3 x 0.5 7.19
mm
7.92
mm
6.40
mm
1.83
mm
0.00
mm
9.14
mm
13.72
mm
1.53
mm
6.73
mm
5.08
mm
  PFK-M3-62-U M3 x 0.5 7.19
mm
7.92
mm
9.50
mm
1.83
mm
3.20
mm
9.14
mm
13.72
mm
1.53
mm
6.73
mm
5.08
mm
  PFK-M3-84-U M3 x 0.5 7.19
mm
7.92
mm
12.70
mm
1.83
mm
6.40
mm
9.14
mm
13.72
mm
1.53
mm
6.73
mm
5.08
mm

Phone:  973-674-1700        Toll Free:  1-800-526-1389        Fax:  973-674-3803


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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