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121BZ

50493

121BZ Long Range Tubular Inside Micrometer 50493

Starrett 121 tubular inside micrometers are designed for large internal measurements beyond the capacity of most other micrometers. Each set consists of a micrometer head mounted at the end of a tubular holder in which measuring rods can be inserted and adjusted to the desired size. Final size reading in thousandths of an inch (.001") is obtained using the micrometer head. With 2 Graduated Measuring Rods & 1 Extension Rod 32"-82", 2 Graduated Measuring Rods, 1 Extension Rod, Case With 2 Graduated Measuring Rods & 1 Extension Rod.

Features
Specifications
Parts
Downloads
Contact Starrett

Features

  • Consists of a micrometer head mounted at the end of a tubular holder
  • Rods and holder are light in weight
  • Rod anvils are adjustable
  • Quick, easy adjustment
  • Rods and holder are made of rigid, steel tubing
  • Hardened and ground anvils
  • Insulated rod holder
  • Nickel-plated finish
  • Satin-chrome finish on micrometer head reading surfaces
  • Rods are accurately graduated in inches - micrometer head in thousandths of an inch

Specifications

  • Micrometer Type: Long Range Tubular Inside Micrometer
  • Range (in): 32 - 82"
  • Graduations (in): .001"
  • Measuring Rods (qty): With 2 Graduated Measuring Rods and 1 Extension Rod
  • Case Type: Wood
  • Accuracy (in): +.0004" / -.0000"

Parts

    Member of Kit
    Item #DescriptionPart No.QtyInformation
    1SPRING, BARREL10058-01
    2SHELL, ADJ. ENGLISH04220-01
    3CAP, SHELL01558-01
    4TUBE SUB ASSEM-LARGE09755-01
    5NUT, .750-4008757-01
    6GRIP, PLASTIC19849-01
    7STEM, ENGLISH09739-01
    8SPINDLE SCR, .297-4017789-01
    9MICROMETER SHELL05671-01
    10NUT, .375-52PT164141
    11ROD SUB ASSEMBLY08761-01
    12ROD/EXT SUB ASSEMBLY08762-01
    13ANVIL01561-02
    14NUT, .294-4001559-02
    15INSIDE MICROMETER SET, 32" - 82", IN CASE121BZZ1NOT SHOWN

Downloads

    Catalog 33 - Section 1 - Micrometers

    In the hands of a skilled operator, the precision micrometer is the most accurate hand-held tool available. When close measurements are necessary, the micrometer is the ideal tool for the job because measurement and reading are on the same axis and the anvil end is supported by a strong frame.

    Precision Hand Tools (Catalog 33)

    612 page catalog featuring precision hand tool, force measurement, vison systems, optical comparators, laser measurement, and flat stock.