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ISO 9177-1:2016 PDF — Mechanical pencils for technical drawings — Part 1: Classification, d… — GOST Standards

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ISO 9177-1:2016

Name: ISO 9177-1:2016 — Mechanical pencils for technical drawings — Part 1: Classification, dimensions, performance requirements and testing
SKU: ISO 9177-1:2016
Price: 25 EUR
Availability: InStock

Mechanical pencils for technical drawings — Part 1: Classification, dimensions, performance requirements and testing

Название (английский):

ISO 9177-1:2016

Mechanical pencils for technical drawings — Part 1: Classification, dimensions, performance requirements and testing

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 11
Дата публикации:: 23 сентября 2016 г.
Издание:: ISO IS 9177 edition 3 version 1
ICS:: 01.100.40

Тип поставки:

Full version25 €Ask AI2 €Read online 24h10 €Read online 72h15 €

Язык документа:

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Срок поставки:1 рабочий день

Цена:25 €

Описание (английский):

ISO 9177-1:2016 specifies classification, dimensions, performance requirements and testing for hand-held mechanical pencils used for technical drawings.

Abstract

Overview

ISO 9177-1:2016 - "Mechanical pencils for technical drawings - Part 1: Classification, dimensions, performance requirements and testing" defines how hand‑held mechanical pencils intended for technical drawing are classified, measured and tested. The standard covers mechanism types, nominal lead diameters, guide‑pipe dimensions, performance requirements (clamping and lead retention) and prescribed test methods to verify compliance.

Key topics and requirements

Classification: Mechanical pencils are classified by mechanism:
- F (push‑type, common polymer leads 0.35–1 mm)
- L (push‑type, mainly ceramic leads, commonly 2 mm)
- S (screw‑type propelling mechanism)
Nominal diameters: Standard nominal lead diameters include 0.35, 0.5, 0.7, 1 and 2 mm (with notes on 0.3/0.35 and 0.9/1 compatibility).
Guide pipe dimensions:
- Minimum guide‑pipe length: 3 mm
- Specified internal bore tolerances tied to nominal diameter (values provided in the standard)
- Outer guide‑pipe diameters for template slot compatibility: 0.84, 0.95, 1.12, 1.30 mm for the respective nominal diameters
Performance requirements:
- Push‑type (F and L): Under a defined vertical compressive load the lead must neither retract into the guide pipe nor slide through the chuck (test loads: 5 N for 0.35 mm, 8 N for 0.5 mm and above).
- Screw‑type (S): Lead retraction limited to ≤ 0.7 mm under specified test conditions (vertical compressive load 4 N during test sequence).
Testing and designation:
- Test procedures specify lead positioning and applied loads to verify clamping and retention.
- Required designation format for marking: e.g. Mechanical pencil ISO 9177-1-F-0,5, which should be indicated on the barrel.

Applications and practical value

Ensures mechanical pencils used for technical drawings, CAD annotation, engineering sketches and drafting meet consistent dimensional and functional criteria.
Useful for product designers, quality control engineers, manufacturers of drafting instruments, procurement specialists and standards compliance teams who need to:
- Design compatible lead and guide systems
- Confirm interchangeability with templates and drawing instruments
- Validate durability and lead retention under practical drawing loads

Related standards

ISO 9177-2 - Mechanical pencils - Part 2: Black leads - Classification and dimensions (lead tolerances and lengths)
ISO 128-20 - Technical drawings - General principles - Part 20: Basic conventions for lines (line thickness guidance referenced by ISO 9177-1)

ISO 9177-1:2016 provides clear, testable criteria to help manufacturers and users ensure mechanical pencils perform reliably and interchangeably for technical drawing workflows.

Технические детали

Технический комитет: ISO/TC 10 - Technical product documentation
SKU: ISO 9177-1:2016

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PDF

ISO 9177-1:2016

Abstract

Overview

Похожие стандарты

Key topics and requirements

Applications and practical value

Related standards

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