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
Print Back
  • Self-clinching mounting design provides high pushout resistance.
  • Installs flush on back side of panel.
  • Does not require special hole preparation.
Unit of Measure

Specifications

Thread Size

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

Type

 N/A PF7M

Thread Code

 N/A 440

Screw Length Code

 N/A 0

A (Shank) Max.

 N/A .036 in Captive-Panel-Screw--Screw-Head--Spring-loaded--Self-Clinching-PF7M---2_1.jpg

Min. Sheet Thickness

 N/A .036 in

Hole Size in Sheet + 0.003 - 0.000

 N/A .219 in

C Max.

 N/A .218 in

E ± .010

 N/A .310 in

G ± .025

 N/A .210 in

H ± .010

 N/A .100 in

P ± .025

 N/A .000 in

T1 Nom.

 N/A .38 in

T2 Nom.

 N/A .55 in
Min. Dist. Hole C/L to Edge1 N/A .28 in
Thread Specification2 N/A ASME B1.1, 2A

Material Retainer

 N/A Carbon Steel

Material Screw

 N/A Heat-Treated Carbon Steel

Material Spring

 N/A 300 Series Stainless Steel

Finish Retainer

 N/A Bright nickel over copper flash

Finish Screw

 N/A Bright nickel over copper flash

Finish Spring

 N/A Natural Finish

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}
  • 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.