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BS ISO 4579:2021

BS ISO 4579:2021

$102.76

Aerospace. Drives, internal, TORX PARALOBE drive. Geometrical definition, gaging and technical requirements

Published By Publication Date Number of Pages
BSI 2021 16
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This document specifies basic dimensions, characteristics and engineering requirements for TORX® PARALOBE® 1

1

TORX PARALOBE is the trademark of a product supplied by Acument Intellectual Properties, LLC, 6125 Eighteen Mile Road, Sterling Heights, MI 48314, USA. This information is given for the convenience of users of this document and does not constitute an endorsement by ISO of the products named. Equivalent products may be used if they can be shown to lead to the same results.

recesses in aerospace fasteners.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Foreword
6 Introduction
8 1 Scope
2 Normative references
3 Terms and definitions
9 4 Basic fastener recess configuration
4.1 General
4.2 Recess dimensions — metric and inch
10 4.3 Recess drive designation
5 Recess inspection
5.1 Gaging equipment
11 5.2 Gaging procedure
12 5.3 Penetration type gage dimensions — metric and inch
6 Fastener recess torque test
6.1 Fixture
6.2 Torque wrench/torsion machine
13 6.3 Driver bit
6.4 Test specimen
6.5 Fastener recess torque test procedure
6.6 Fastener recess torque values

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BS ISO 4579:2021
$102.76