Hi-Tech Fasteners Inc.
Hi-Tech Fasteners, Inc.
4940 Winchester Boulevard
Frederick, Maryland 21703-7400

Toll Free: 800.466.1940
Tel: 301.831.1277
Fax: 301.831.8296
Email: sales@hitechfasteners.com
Website: www.hitechfasteners.com
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  • Low-profile design satisfies many functional and cosmetic requirements.
  • Convenient, large, slotted head for tool or finger operation.
Low profile knob, spring-loaded - PF30, PF31, PF32 Metric only
Captive panel screw-Low profile knob, spring-loaded PF30 2
Unit of Measure
Items Low profile knob, spring-loaded - PF30, PF31, PF32 Metric only
PF31-M3-30CN
Captive Panel Screw-Low Profile Knob, Spring-loaded PF30, PF31, PF32 - Metric 		Low profile knob, spring-loaded - PF30, PF31, PF32 Metric only
PF32-M3-30CN
Captive Panel Screw-Low Profile Knob, Spring-loaded PF30, PF31, PF32 - Metric 		Low profile knob, spring-loaded - PF30, PF31, PF32 Metric only
PF31-M4-30CN
Captive Panel Screw-Low Profile Knob, Spring-loaded PF30, PF31, PF32 - Metric 		Low profile knob, spring-loaded - PF30, PF31, PF32 Metric only
PF32-M4-30CN
Captive Panel Screw-Low Profile Knob, Spring-loaded PF30, PF31, PF32 - Metric 		Low profile knob, spring-loaded - PF30, PF31, PF32 Metric only
PF31-M5-30CN
Captive Panel Screw-Low Profile Knob, Spring-loaded PF30, PF31, PF32 - Metric
Thread Size x Pitch N/A M3 x 0.5 a1265_1.jpg N/A M3 x 0.5 a1265_1.jpg N/A M4 x 0.7 a1265_1.jpg N/A M4 x 0.7 a1265_1.jpg N/A M5 x 0.8 a1265_1.jpg
Type N/A PF31 N/A PF32 N/A PF31 N/A PF32 N/A PF31
Thread Code N/A M3 N/A M3 N/A M4 N/A M4 N/A M5
Screw Length Code N/A 30
A (Shank) Max. N/A 0.97 mm a1264_1.jpg N/A 1.48 mm a1264_1.jpg N/A 0.97 mm a1264_1.jpg N/A 1.48 mm a1264_1.jpg N/A 0.97 mm a1264_1.jpg
Min. Sheet Thickness N/A 1 mm N/A 1.50 mm N/A 1 mm N/A 1.50 mm N/A 1 mm
Hole Size in Sheet + 0.08 N/A 5.5 mm N/A 5.5 mm N/A 6.4 mm N/A 6.4 mm N/A 8 mm
C Max. N/A 5.48 mm N/A 5.48 mm N/A 6.38 mm N/A 6.38 mm N/A 7.98 mm
E ± 0.25 N/A 10.31 mm N/A 10.31 mm N/A 11.89 mm N/A 11.89 mm N/A 13.46 mm
G ± 0.4 N/A 7.62 mm
H ± 0.13 N/A 5.13 mm N/A 5.13 mm N/A 5.26 mm N/A 5.26 mm N/A 5.59 mm
T1 Max. N/A 8.26 mm N/A 8.26 mm N/A 8.38 mm N/A 8.38 mm N/A 8.51 mm
T2 Nom. N/A 15.11 mm N/A 15.11 mm N/A 15.24 mm N/A 15.24 mm N/A 15.37 mm
Min. Dist. Hole C/L to Edge1 N/A 6.60 mm N/A 6.60 mm N/A 7.37 mm N/A 7.37 mm N/A 8.38 mm
Thread Specification2 N/A ANSI/ASME B1.13M, 6g
Material Retainer N/A Carbon Steel
Material Screw N/A Heat-Treated Carbon Steel N/A Heat-Treated Carbon Steel N/A Carbon Steel N/A Carbon Steel N/A Carbon Steel
Material Spring N/A 300 Series Stainless Steel
Finish Retainer N/A Bright Nickel over Copper Flash per ASTM B689
Finish Screw N/A Bright nickel over copper flash per ASTM B689
Finish Spring N/A Natural Finish
Optional Finish3 N/A
For Use in Sheet Hardness N/A HRB 60 or Less (Hardness Rockwell “B” Scale)
HB 107 or Less (Hardness Brinell)
CAD View N/A Unfastened
CAD Supplier N/A PennEngineering® (PEM®)
Inventory N/A {0} N/A {0} N/A {0} N/A {0} N/A {0}
  • 1 To minimize sheet distortion and maximize product performance, use a centerline-to-edge value greater or equal to the value specified.
  • 2 As with all external plated threads, Class 2A/6g, the maximum major and pitch, after plating, may equal basic sizes and be gauged to Class 3A/4h, per ANSI B1.1, Section 8, Table 3A and ANSI B1.13M, Section 8, Paragraph 8.2.
  • 3 “BL” suffix will be added to part number to designate DuraBlack™ finish.