Intech Tools
Intech Taper Bore Gauge — 1–15mm (1/16–5/8″)
Part No: MTTBG | Barcode: 9333608007586 | Series: Intech Engineering Gauges
Intech’s MTTBG taper bore gauge is a tapered stainless-steel precision instrument for gauging small hole diameters from 1mm to 15mm (1/16″ to 5/8″). Engraved metric graduations on one side and imperial on the other let you drop the taper into a drilled or reamed hole and read the diameter directly where the gauge just seats.
1–15mm Range
1/16–5/8″ Imperial
Stainless Steel
Engraved Graduations
Dual Metric / Imperial
Compatible Work
Drilled Holes
Reamed Holes
Tapped Hole Minor Dia.
Small-Bore Inspection
Key Features & Benefits
- Tapered measurement principle — drop the gauge into the hole; where it seats, the reading at that depth is the hole diameter. No micrometer or caliper needed for quick go/no-go checks.
- Stainless-steel construction — resists corrosion from coolant, oils and workshop handling; the engraved scale stays legible under use.
- Engraved (not printed) graduations — lines are cut into the steel so solvents and oils won’t lift them; readable for the life of the tool.
- Dual metric/imperial scales — metric on one side (1–15mm), imperial on the other (1/16–5/8″), so you can work in whichever system matches the drawing without conversion.
- Compact form factor — slides into a tight workshop drawer or apron pocket for quick checks on the machine.
When to Use the MTTBG
Reach for the MTTBG when you need to verify a small drilled or reamed hole diameter quickly — a drilled pilot for tapping, a reamed dowel hole, or checking the minor diameter of a tapped thread. It covers 1–15mm in one compact tool and is faster than a caliper for go/no-go checks on machined parts. For larger holes, step up to a dial bore gauge or inside micrometer.
Pro Tip: The taper gauge reads the hole at the point it seats — if you push it harder, the reading is wrong. Let it drop under its own weight for consistent, repeatable measurements; don’t force it. This gives you true diameter, not an interference fit reading.
Authorised Australian Dealer — This product is backed by full Australian manufacturer warranty from Intech Tools, with local support and service through Alltools Geelong.
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