PF30 PF31 PF32 Spring Loaded Low Profile Knob Slotted Head Panel Fasteners

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Spring-Loaded Low-Profile Knob
Slotted-Head Panel Fasteners PF30-U, PF31-U, PF32-U

Self Clinching Fasteners • Captive Panel Screws & Hardware
American Standard (Inches) & Metric Sizes

UNICORP Electronic Hardware Self-Clinching Fasteners - Spring-Loaded Low-Profile Slotted-Head Panel Fasteners PF30, PF31, PF32

• Self-clinching • Low-profile • Positive stop • Slotted head • Held captive to a panel
• Installed by tool or hand • Shouldered retainer • Installed quickly and easily

American Standard Sizes: • Series PF30-U • Series PF31-U • Series PF32-U

Metric Sizes: • Series PF31-U • Series PF32-U

Series PF30-U

Series PF30-U / American Standard Sizes
• Type- Knurled Cap • Min. Sheet Thickness- 0.030" • 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 PF30-U American Standard Sizes (SAE)

Part
Number

Thread

"A"
(Shank)
Max.

"C"
Max.

"E"

"G"
Screw
Length

"H"

"T1"
Nom.

"T2"
Nom.

Hole
in Sheet

Min.
Distance
to Edge

PF30-440-30-BN-U

4-40

0.030"

0.202"

0.406"

0.300"

0.202"

0.325"

0.595"

0.203"

0.260"

PF30-632-30-BN-U

6-32

0.030"

0.218"

0.438"

0.300"

0.202"

0.325"

0.595"

0.219"

0.280"

PF30-832-30-BN-U

8-32

0.030"

0.249"

0.468"

0.300"

0.207"

0.330"

0.600"

0.250"

0.290"

PF30-032-30-BN-U

10-32

0.030"

0.311"

0.530"

0.300"

0.220"

0.335"

0.605"

0.312"

0.330"

PF30-440-30-CN-U

4-40

0.030"

0.202"

0.406"

0.300"

0.202"

0.325"

0.595"

0.203"

0.260"

PF30-632-30-CN-U

6-32

0.030"

0.218"

0.438"

0.300"

0.202"

0.325"

0.595"

0.219"

0.280"

PF30-832-30-CN-U

8-32

0.030"

0.249"

0.468"

0.300"

0.207"

0.330"

0.600"

0.250"

0.290"

PF30-032-30-CN-U

10-32

0.030"

0.311"

0.530"

0.300"

0.220"

0.335"

0.605"

0.312"

0.330"

Series PF31-U

Series PF31-U / American Standard Sizes
• Type- Knurled Cap • Min. Sheet Thickness- 0.040" • 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 PF31-U American Standard Sizes (SAE)

Part
Number

Thread

"A"
(Shank)
Max.

"C"
Max.

"E"

"G"
Screw
Length

"H"

"T1"
Nom.

"T2"
Nom.

Hole
in Sheet

Min.
Distance
to Edge

PF31-440-30-BN-U

4-40

0.038"

0.202"

0.406"

0.300"

0.202"

0.325"

0.595"

0.203"

0.260"

PF31-632-30-BN-U

6-32

0.038"

0.218"

0.438"

0.300"

0.202"

0.325"

0.595"

0.219"

0.280"

PF31-832-30-BN-U

8-32

0.038"

0.249"

0.468"

0.300"

0.207"

0.330"

0.600"

0.250"

0.290"

PF31-032-30-BN-U

10-32

0.038"

0.311"

0.530"

0.300"

0.220"

0.335"

0.605"

0.312"

0.330"

PF31-440-30-CN-U

4-40

0.038"

0.202"

0.406"

0.300"

0.202"

0.325"

0.595"

0.203"

0.260"

PF31-632-30-CN-U

6-32

0.038"

0.218"

0.438"

0.300"

0.202"

0.325"

0.595"

0.219"

0.280"

PF31-832-30-CN-U

8-32

0.038"

0.249"

0.468"

0.300"

0.207"

0.330"

0.600"

0.250"

0.290"

PF31-032-30-CN-U

10-32

0.038"

0.311"

0.530"

0.300"

0.220"

0.335"

0.605"

0.312"

0.330"


Series PF31-U / Metric Sizes
• Type- Knurled Cap • Min. Sheet Thickness- 1.00 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 PF31-U Metric Sizes

Part
Number

Thread

"A"
(Shank)
Max.

"C"
Max.

"E"

"G"
Screw
Length

"H"

"T1"
Nom.

"T2"
Nom.

Hole
in Sheet

Min.
Distance
to Edge

PF31-M3-30-BN-U

M3 x 0.5

0.97
mm

5.48
mm

10.31
mm

7.62
mm

5.13
mm

8.26
mm

15.11
mm

5.50
mm

6.60
mm

PF31-M4-30-BN-U

M4 x 0.7

0.97
mm

6.38
mm

11.89
mm

7.62
mm

5.26
mm

8.38
mm

15.24
mm

6.40
mm

7.37
mm

PF31-M5-30-BN-U

M5 x 0.8

0.97
mm

7.98
mm

13.46
mm

7.62
mm

5.59
mm

8.51
mm

15.37
mm

8.00
mm

8.38
mm

PF31-M3-30-CN-U

M3 x 0.5

0.97
mm

5.48
mm

10.31
mm

7.62
mm

5.13
mm

8.26
mm

15.11
mm

5.50
mm

6.60
mm

PF31-M4-30-CN-U

M4 x 0.7

0.97
mm

6.38
mm

11.89
mm

7.62
mm

5.26
mm

8.38
mm

15.24
mm

6.40
mm

7.37
mm

PF31-M5-30-CN-U

M5 x 0.8

0.97
mm

7.98
mm

13.46
mm

7.62
mm

5.59
mm

8.51
mm

15.37
mm

8.00
mm

8.38
mm

Series PF32-U

Series PF32-U / American Standard Sizes
• Type- Knurled Cap • 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 PF32-U American Standard Sizes (SAE)

Part
Number

Thread

"A"
(Shank)
Max.

"C"
Max.

"E"

"G"
Screw
Length

"H"

"T1"
Nom.

"T2"
Nom.

Hole
in Sheet

Min.
Distance
to Edge

PF32-440-30-BN-U

4-40

0.058"

0.202"

0.406"

0.300"

0.202"

0.325"

0.595"

0.203"

0.260"

PF32-632-30-BN-U

6-32

0.058"

0.218"

0.438"

0.300"

0.202"

0.325"

0.595"

0.219"

0.280"

PF32-832-30-BN-U

8-32

0.058"

0.249"

0.468"

0.300"

0.207"

0.330"

0.600"

0.250"

0.290"

PF32-032-30-BN-U

10-32

0.058"

0.311"

0.530"

0.300"

0.220"

0.335"

0.605"

0.312"

0.330"

PF32-0420-35-BN-U

1/4-20

0.058"

0.374"

0.625"

0.350"

0.242"

0.385"

0.675"

0.375"

0.380"

PF32-440-30-CN-U

4-40

0.058"

0.202"

0.406"

0.300"

0.202"

0.325"

0.595"

0.203"

0.260"

PF32-632-30-CN-U

6-32

0.058"

0.218"

0.438"

0.300"

0.202"

0.325"

0.595"

0.219"

0.280"

PF32-832-30-CN-U

8-32

0.058"

0.249"

0.468"

0.300"

0.207"

0.330"

0.600"

0.250"

0.290"

PF32-032-30-CN-U

10-32

0.058"

0.311"

0.530"

0.300"

0.220"

0.335"

0.605"

0.312"

0.330"

PF32-0420-35-CN-U

1/4-20

0.058"

0.374"

0.625"

0.350"

0.242"

0.385"

0.675"

0.375"

0.380"


Series PF32-U / Metric Sizes
• Type- Knurled Cap • 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 PF32-U Metric Sizes

Part
Number

Thread

"A"
(Shank)
Max.

"C"
Max.

"E"

"G"
Screw
Length

"H"

"T1"
Nom.

"T2"
Nom.

Hole
in Sheet

Min.
Distance
to Edge

PF32-M3-30-BN-U

M3 x 0.5

1.48
mm

5.48
mm

10.31
mm

7.62
mm

5.13
mm

8.26
mm

15.11
mm

5.50
mm

6.60
mm

PF32-M4-30-BN-U

M4 x 0.7

1.48
mm

6.38
mm

11.89
mm

7.62
mm

5.26
mm

8.38
mm

15.24
mm

6.40
mm

7.37
mm

PF32-M5-30-BN-U

M5 x 0.8

1.48
mm

7.98
mm

13.46
mm

7.62
mm

5.59
mm

8.51
mm

15.37
mm

8.00
mm

8.38
mm

PF32-M6-30-BN-U

M6 x 10

1.48
mm

9.48
mm

15.88
mm

8.89
mm

6.12
mm

9.78
mm

17.15
mm

9.50
mm

9.65
mm

PF32-M3-30-CN-U

M3 x 0.5

1.48
mm

5.48
mm

10.31
mm

7.62
mm

5.13
mm

8.26
mm

15.11
mm

5.50
mm

6.60
mm

PF32-M4-30-CN-U

M4 x 0.7

1.48
mm

6.38
mm

11.89
mm

7.62
mm

5.26
mm

8.38
mm

15.24
mm

6.40
mm

7.37
mm

PF32-M5-30-CN-U

M5 x 0.8

1.48
mm

7.98
mm

13.46
mm

7.62
mm

5.59
mm

8.51
mm

15.37
mm

8.00
mm

8.38
mm

PF32-M6-30-CN-U

M6 x 10

1.48
mm

9.48
mm

15.88
mm

8.89
mm

6.12
mm

9.78
mm

17.15
mm

9.50
mm

9.65
mm

UNICORP Electronic Hardware - Self Clinching Fasteners

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.

291 Cleveland St, Orange, New Jersey 07050  USA
Mailing Address:  P.O. Box 280, Orange, New Jersey 07051-0280  USA

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