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The Ulitmate Metric Screw Thread Resource: Basic Dimensions, Classes, Tolerances, Formulas, Charts, and Explanations
20 Δεκ 2011 · METRIC THREAD -- FINE PITCH -- M (1 mm - 28 mm) Click here to return to the thread data chart page index. MARYLAND METRICS -- THREAD DATA CHART: Metric Thread -- Fine Pitch Nominal Size ISO MF Thread Form Type Major Diameter mm d=D Pitch mm p Root Radius mm r Pitch Diameter mm d2=D2 Minor Diameter Male Thd. d3 Minor Diameter Female Thd. D1 ...
Click here to return to the thread data chart page index. ISO Metric profile External (bolt thread) Internal (nut thread) Basic mm Size mm Thread Designation Simple Thread Designation Pitch mm Class Major Dia d=D max. min. Pitch Dia d2=D2 max. min. Minor Dia d3 max. min. Class Minor Dia D1 min. max. Pitch Dia d2=D2 min. max.
The Metric Thread Chart PDF is a comprehensive guide that will make finding the right metric thread size easier than ever. It lists the major diameter, thread pitch, minor diameter, and pitch diameter for all metric thread sizes.
This document specifies the basic dimensions of ISO general purpose metric screw threads according to ISO 261. The values refer to the design profiles according to ISO 68-1. This document is applicable to the metric fastening screw threads.
ISO 724 specifies basic dimensions of metric threads in accordance with ISO 261. Dimensions refer to the basic profile in accordance with ISO 68. The pitch varies from coarse to extra fine with up to 5 different pitches for some dimensions. The thread angle is 60 o and the thread depth is 0.614 x pitch.
Major Diameter (mm) Explained. The major diameter in our bolt size chart, typically measured in millimetres (mm), refers to the largest diameter of a threaded cylinder, also known as the crest of the thread. This is a critical parameter as it essentially dictates all metric bolt sizes.
