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2. Gauge block - Wikipedia

   en.wikipedia.org/wiki/Gauge_block

   Gauge blocks (also known as gage blocks, Johansson gauges, slip gauges, or Jo blocks) are a system for producing precision lengths. The individual gauge block is a metal or ceramic block that has been precision ground and lapped to a specific thickness.

3. Ring gauge - Wikipedia

   en.wikipedia.org/wiki/Ring_gauge

   A ring gauge, or ring gage, is a cylindrical ring of a thermally stable material, often steel, whose inside diameter is finished to gauge tolerance and is used for checking the external diameter of a cylindrical object. [1] Ring gauges are used for comparative gauging as well as for checking, calibrating, or setting of gauges or other standards ...

4. List of DIN standards - Wikipedia

   en.wikipedia.org/wiki/List_of_DIN_standards

   Seamless Steel Pipes and Tubes – Dimensions, Conventional Masses per Unit Length: Canceled: DIN EN 10220: EN 10220: DIN 2527: Blank flanges – Nominal pressure 6 to 100: Withdrawn: DIN EN 1092-1: EN 1092-1: DIN 2860: Capillary Fittings; Bends 180° of Copper: Withdrawn: DIN 2982: Steel threaded pipe fittings: Withdrawn: DIN EN 10241: EN ...

5. Nominal Pipe Size - Wikipedia

   en.wikipedia.org/wiki/Nominal_Pipe_Size

   Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...

6. Bore gauge - Wikipedia

   en.wikipedia.org/wiki/Bore_gauge

   When using a micrometer to set a dial bore gauge, the accuracy of the measurement will be 0.002 inches or 0.0508 millimeters. A ring gauge can be used to obtain higher accuracy at a higher cost and higher time requirement. When a dial bore gauge is set using a ring gauge, overall accuracy can be within 0.0001 inches or 0.00254 millimeter. [2]

7. British Standard Pipe - Wikipedia

   en.wikipedia.org/wiki/British_Standard_Pipe

   British Standard Pipe Parallel Thread Dimensions; British Standard Pipe Taper Thread Dimensions Archived 2017-09-27 at the Wayback Machine; BSP Thread Charts and Diagrams, showing dimensions of tubing and fittings; ISO 7-1:1994; ISO 7-2:2000; ISO 228-1:2000; ISO 228-2:1987; Parallel pipe threads G; Parallel pipe threads PF

8. Go/no-go gauge - Wikipedia

   en.wikipedia.org/wiki/Go/no-go_gauge

   The lower image is a plain plug gauge used to check the size of a hole; the green end is the go, and the red end is the no-go. The tolerance of the part that this gauge checks is 0.30 mm, where the lower size of the hole is 12.60 mm and the upper size is 12.90 mm, every size outside this range is out of tolerance. This may be initially ...

9. Gauge (instrument) - Wikipedia

   en.wikipedia.org/wiki/Gauge_(instrument)

   Dial indicator, also known as a dial test indicator, dial gauge, or probe indicator an instrument used to accurately measure small linear distances. Feeler gauge: a simple tool used to measure gap widths. Gauge block, (also known as a gage block, Johansson gauge, slip gauge, or Jo block) a precision ground and lapped length measuring standard.