Dial Bore Gauge
Product Code : EL-MAILE-10843
Quick Answer: This Dial Bore Gauge set measures bore diameters by transferring the internal dimension to a dial indicator, working like an inside caliper that locks in place via a knurled handle once positioned in the bore. The set covers small bores from 10mm to 18mm, a highly versatile 18-50mm range gauge (which otherwise would need two separate gauges covering Ø 18-35mm and Ø 35-60mm), and a third gauge covering a 50-150 mm range that is widely used in Automobile, Aircraft, Engine and Pump manufacturers, with carbide-tipped stationary and moving anvils for high wear resistance and an extra wide, self-centralizing bridge that automatically centers the gauge in the bore with a minimum of skill. The dial indicator is fully protected by a rugged cover, and the set is supplied with interchangeable anvils in different sizes, extension rods, and the necessary tools in a sleek wooden case.
These are a range of gauges that are used to measure a bore’s size, by transferring the internal dimension to a remote measuring tool. They are a direct equivalent of inside calipers and require the operator to develop the correct feel to obtain repeatable results. Twisting the knurled end of the handles locks the gauges; this action is performed to exert a small amount of friction on the telescopic portions of the gauge (the smaller diameter rods found at the T head of the gauge).
To use, the gauge is inserted at a slight angle to the bore and gently locked to a size slightly larger than the bore while at that angle. Then, rocking the handle side-to-side, slowly move the handle across the bore to the other side. The rocking will first align the gauge with the bore axis and the act of moving the handle to the other side of the bore will bring it to the exact bore diameter. This action compresses the two anvils where they remain locked at the bore’s dimension after being withdrawn.
FEATURES:
Small bores from 10mm to 18mm.
Highly versatile 18-50mm bore gauge covers a large range for which one needs to generally purchase 2 bore gauges having ranges Ø 18-35mm and Ø 35-60mm.
High wear resistance due to carbide-tipped stationary and moving anvils
Extra wide bridge ensures automatic centering in the bore.
Self-centralizing feature of this bore gauge ensures that the measurement can be done with minimum of skill.
Self-centralizing feature of this bore gauge ensures that the measurement can be done with minimum of skill.
Furnished in a sleek wooden case containing measurement anvils and extension rods with necessary tools.
The third bore gauge covering a range of 50-150 mm, is widely used in Automobile, Aircraft, Engine and Pump manufacturers.
SPECIFICATION:
The Dial indicator is fully protected by a rugged cover.
Supplied with interchangeable anvils in different sizes.
Packed as a set with all necessary accessories to ensure the complete range.
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Last Updated: September 2026
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