ISO 3202:1997 PDF

Aerospace — Screws, pan head, internal offset cruciform ribbed or unribbed drive, threaded to head, MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1 100 MPa — Dimensions

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Title (English):

ISO 3202:1997

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 2
Publication date:: October 15, 1997
Edition:: ISO IS 3202 edition 2 version 1
ICS:: 49.030.20

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Technical details

Technical committee: ISO/TC 20/SC 4 - Aerospace fastener systems
SKU: ISO 3202:1997

Abstract

Overview

ISO 3202:1997 defines the dimensional requirements for a specific family of aerospace screws: pan head, internal offset cruciform (ribbed or unribbed) drive, threaded to the head, using MJ threads, made of metallic material, coated or uncoated, and with strength classes ≤ 1 100 MPa. Published by ISO/TC 20 (Aircraft and space vehicles) SC4, this second edition standardizes form, dimensions and selection criteria used in aerospace product standards and procurement.

Key topics and technical requirements

Scope and intent: Specifies dimensions and tolerances (in millimetres) for pan head screws with internal offset cruciform drives, intended for aerospace fastener systems.
Drive and thread system: Uses MJ thread designation and internal offset cruciform drives (ribbed or unribbed). Drive profiles reference related drive standards.
Dimensional detail: Includes a figure and a tabulated set of dimensional data for drive and thread codes (MJ1 through MJ12), plus guidance on edge breaks (0.1–0.4 mm).
Tolerancing & form: Tolerances of form and position are handled by ISO 7913; dimensions apply after any surface coating but before application of lubricants.
Lead and runout: Lead and runout requirements are addressed for threaded-to-head screws, ensuring consistency in thread start/finish and functional engagement.
Length increments: Standardizes available screw lengths (increments: 2 mm for L

Related standards

Mentioned in the description and other ISO standards

Overview

Key topics and technical requirements

Scope and intent: Specifies dimensions and tolerances (in millimetres) for pan head screws with internal offset cruciform drives, intended for aerospace fastener systems.
Drive and thread system: Uses MJ thread designation and internal offset cruciform drives (ribbed or unribbed). Drive profiles reference related drive standards.
Dimensional detail: Includes a figure and a tabulated set of dimensional data for drive and thread codes (MJ1 through MJ12), plus guidance on edge breaks (0.1–0.4 mm).
Tolerancing & form: Tolerances of form and position are handled by ISO 7913; dimensions apply after any surface coating but before application of lubricants.
Lead and runout: Lead and runout requirements are addressed for threaded-to-head screws, ensuring consistency in thread start/finish and functional engagement.
Length increments: Standardizes available screw lengths (increments: 2 mm for L

ISO 3202:1997 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

Related standards

Abstract

Overview

Key topics and technical requirements

Related standards

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