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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Unit of Measure

Specifications

Thread Size

 N/A .086-56 (#2-56)

Thread Code

 N/A 256

Length Code

 N/A 625
Style1 N/A #3

Min. Sheet Thickness

 N/A .025 in

Hole Size in Sheet + .003 - .000

 N/A .166 in

C + .000 - .005

 N/A .165 in TSO4_Dwgs_1.jpg

F - Min. Thread Depth

 N/A .200 in

H - Nom.

 N/A .187 in
L - Length ± .0032 N/A .625 in
Min. Dist. Hole C/L to Edge3 N/A .23 in
For Use in Sheet Hardness4 N/A HRB 88 / HB 183 or Less

Thread Specification

 N/A Internal, ANSI B1.1, 2B

Fastener Material

 N/A Heat treated 400 Series Stainless Steel

Standard Finish

 N/A Passivated and/or tested per ASTM A380

Inventory

 N/A {0}
  • 1 Style #1 - Thru-threaded.
    Style #2 - Screw might not pass through unthreaded end. Tapped to minimum full thread depth shown. Incomplete threads on tap may allow screw to pass through.
    Style #3 - Blind.
  • 2 Available in other lengths on special order.
  • 3 To minimize sheet distortion and maximize product performance, use a centerline-to-edge value greater or equal to the value specified.
  • 4 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.