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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  • Designed for use in straight or tapered holes.
  • Symmetrical design eliminates the need for orientation.
  • Aluminum inserts ideal for light weight designs.
  • Aluminum and stainless steel inserts offer lead-free alternative.
Unit of Measure

Specifications

Thread Size

 N/A .250-20 (1/4-20)

Type

 N/A ISB
Thread Code1 N/A 0420

A ± .005

 N/A .500 in a1289_1.jpg

E ± .009

 N/A .338 in

C ± .003

 N/A .311 in

Min. Hole Depth

 N/A .530 in

Hole Dia. +.003 -.000

 N/A .315 in

Thread Specification

 N/A 2B per ASME B1.1

Standard Material

 N/A Free-machining, Leaded Brass

Standard Finish

 N/A Plain

CAD Supplier

 N/A PennEngineering® (SI®)

Inventory

 N/A {0}
  • 1 Thread tapped thru, Class 3A/4h screw must pass with finger torque, but basic go gauge may stop at last thread