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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  • Appropriate for close centerline-to-edge applications.
  • Doesn’t require high installation force.
  • Installs into any panel hardness.
  • Installs flush on back side of panel.
Large knob, spring-loaded –Types PF11MF and PF12MF Metric only
Large knob, spring-loaded – Types PF11MF and PF12MF 2
Unit of Measure
Items Large knob, spring-loaded –Types PF11MF and PF12MF Metric only
PF11MF-M3-0
Large Knob, Spring-loaded - Types PF11MF and PF12MF - Metric 		Large knob, spring-loaded –Types PF11MF and PF12MF Metric only
PF11MF-M3-1
Large Knob, Spring-loaded - Types PF11MF and PF12MF - Metric 		Large knob, spring-loaded –Types PF11MF and PF12MF Metric only
PF11MF-M3-2
Large Knob, Spring-loaded - Types PF11MF and PF12MF - Metric 		Large knob, spring-loaded –Types PF11MF and PF12MF Metric only
PF11MF-M4-0
Large Knob, Spring-loaded - Types PF11MF and PF12MF - Metric 		Large knob, spring-loaded –Types PF11MF and PF12MF Metric only
PF11MF-M4-1
Large Knob, Spring-loaded - Types PF11MF and PF12MF - Metric
Thread Size x Pitch N/A M3 x 0.5 N/A M3 x 0.5 N/A M3 x 0.5 N/A M4 x 0.7 N/A M4 x 0.7
Type N/A Knurled Cap - PF11MF
Thread Code N/A M3 N/A M3 N/A M3 N/A M4 N/A M4
Screw Length Code N/A 0 N/A 1 N/A 2 N/A 0 N/A 1
A Max. N/A 1.05 mm a1101_1.jpg N/A 1.05 mm a1101_1.jpg N/A 1.05 mm a1101_1.jpg N/A 1.83 mm a1101_1.jpg N/A 1.83 mm a1101_1.jpg
Min. Sheet Thickness N/A 0.79 mm N/A 0.79 mm N/A 0.79 mm N/A 1.52 mm N/A 1.52 mm
Hole Size in Sheet + 0.1 N/A 4.75 mm N/A 4.75 mm N/A 4.75 mm N/A 6.76 mm N/A 6.76 mm
C Max. N/A 4.73 mm N/A 4.73 mm N/A 4.73 mm N/A 6.74 mm N/A 6.74 mm
E ± 0.25 N/A 10.59 mm N/A 10.59 mm N/A 10.59 mm N/A 13.06 mm N/A 13.06 mm
G ± 0.64 N/A 4.32 mm N/A 5.84 mm N/A 7.37 mm N/A 5.84 mm N/A 7.37 mm
P ± 0.64 N/A 0 mm N/A 1.40 mm N/A 2.92 mm N/A 0 mm N/A 0.61 mm
T1 Nom. N/A 7.87 mm N/A 7.87 mm N/A 7.87 mm N/A 11.43 mm N/A 11.43 mm
T2 Nom. N/A 11.43 mm N/A 11.43 mm N/A 11.43 mm N/A 16.26 mm N/A 16.26 mm
Driver Size N/A Slotted/#1 Phillips a1102_1.jpg N/A Slotted/#1 Phillips a1102_1.jpg N/A Slotted/#1 Phillips a1102_1.jpg N/A Slotted/#2 Phillips a1102_1.jpg N/A Slotted/#2 Phillips a1102_1.jpg
Thread Specification1 N/A ANSI/ASME B1.13M, 6g
Material Knob N/A Aluminum
Material Retainer N/A Aluminum
Material Screw N/A Heat-Treated Carbon Steel
Material Spring N/A 300 Series Stainless Steel
Finish Knob N/A Natural Finish
Finish Retainer N/A Natural finish
Finish Screw N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless
Finish Spring N/A Natural Finish
Optional Finish2 N/A
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 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
  • 2 “BL” suffix will be added to part number to designate DuraBlack™ finish.