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.
  • Does not require high installation force.
  • Installs into any panel hardness.
  • Installs flush on back side of panel.
Unit of Measure

Specifications

Thread Size

 N/A .112-40 (#4-40)

Type

 N/A PF7MF

Thread Code

 N/A 440

Screw Length Code

 N/A 1

A (Shank) Max.

 N/A .041 in Captive-Panel-Screw--Screw-Head--Spring-loaded--Flare-Mount-PF7MF-2_1.jpg

Min. Sheet Thickness

 N/A .031 in

Hole Size in Sheet + 0.005 - 0.000

 N/A .187 in

C Max.

 N/A .186 in

E ± .010

 N/A .310 in

H ± .010

 N/A .100 in

G1 ± .025

 N/A .100 in

G2 ± .025

 N/A .270 in

T1 Nom.

 N/A .38 in

T2 Nom.

 N/A .55 in
Thread Specification1 N/A ASME B1.1, 2A

Material Retainer

 N/A Aluminum

Material Screw

 N/A Heat-Treated Carbon Steel

Material Spring

 N/A 300 Series Stainless Steel

Finish Retainer

 N/A Natural finish

Finish Screw

 N/A Bright nickel over copper flash

Finish Spring

 N/A Natural Finish

CAD View

 N/A Unfastened

CAD Supplier

 N/A PennEngineering® (PEM®)

Inventory

 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.