Käfer Dial Depth Gauge TM / TZ Series

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Käfer Dial Depth Gauge TM / TZ Series Precision Mechanical Depth Gauges for Industrial Applications The Käfer TM / TZ Series Dial Depth Gauges are high-precision mechanical instruments designed to measure depth accurately in various engineering and machining applications. With matt-chromed, hardened, and lapped measuring bases, these gauges ensure excellent durability, stability, and flatness according to strict standards. 1. Käfer Dial Depth Gauge TM/2 Millimetre display Supplied with base TB 80 and 10 mm contact point 573/21 Matt-chromed base, hardened and lapped Metal collet attachment and internal hex screw for secure and easy replacement of dial gauge 2. Käfer Dial Depth Gauge TZ/2 (Inch Model) Identical to TM/2 but reads in .001" (inch) Uses pointed insert 573/13 (same length as 573/21) Ideal for measuring engraving depth 3. Käfer Dial Depth Gauge TM 2/30 Millimetre reading with concentric pointer for easy and safe reading Delivered with contact point 573/21 and base TB 80 4. Käfer Dial Depth Gauge TZ 2/30 (Inch Model) Same features as TM 2/30 but with inch reading of .001" Can be used with extensions from 10–100 mm or .400"–4.000" (available separately) Available Bases for Dial Depth Gauges (Interchangeable) TB 50: 50 × 16 mm TB 80: 80 × 16 mm TB 100: 100 × 16 mm TB 120: 120 × 20 mm TB 150: 150 × 20 mm The bases are interchangeable and each one features a Ø8 mm H7 bore. They are matt-chromed, hardened, and have finely lapped contact surfaces for precise measurements. A metal collet attachment ensures secure and stable mounting of the dial gauges. Special Bases for Dial Depth Gauges The TB 66 P base, with its prismatic design, is specifically engineered for measuring tubes with diameters ranging from 10 to 100 mm. Flat bases for Dial Depth Gauges are also available in the following sizes: TB 200: 200 × 20 mm TB 250: 250 × 20 mm TB 300: 300 × 25 mm All bases feature a Ø8 mm H7 bore, are burnished for corrosion resistance, and have a finely ground measuring surface to ensure high accuracy. Custom base lengths can be supplied upon request.

Käfer Dial Depth Gauge TM / TZ Series

Precision Mechanical Depth Gauges for Industrial Applications

The Käfer TM / TZ Series Dial Depth Gauges are high-precision mechanical instruments designed to measure depth accurately in various engineering and machining applications. With matt-chromed, hardened, and lapped measuring bases, these gauges ensure excellent durability, stability, and flatness according to strict standards.

1. Käfer Dial Depth Gauge TM/2

Millimetre display
Supplied with base TB 80 and 10 mm contact point 573/21
Matt-chromed base, hardened and lapped
Metal collet attachment and internal hex screw for secure and easy replacement of dial gauge

2. Käfer Dial Depth Gauge TZ/2 (Inch Model)

Identical to TM/2 but reads in .001" (inch)
Uses pointed insert 573/13 (same length as 573/21)
Ideal for measuring engraving depth

3. Käfer Dial Depth Gauge TM 2/30

Millimetre reading with concentric pointer for easy and safe reading
Delivered with contact point 573/21 and base TB 80

4. Käfer Dial Depth Gauge TZ 2/30 (Inch Model)

Same features as TM 2/30 but with inch reading of .001"
Can be used with extensions from 10–100 mm or .400"–4.000" (available separately)

Available Bases for Dial Depth Gauges (Interchangeable)

TB 50: 50 × 16 mm
TB 80: 80 × 16 mm
TB 100: 100 × 16 mm
TB 120: 120 × 20 mm
TB 150: 150 × 20 mm

The bases are interchangeable and each one features a Ø8 mm H7 bore. They are matt-chromed, hardened, and have finely lapped contact surfaces for precise measurements. A metal collet attachment ensures secure and stable mounting of the dial gauges.

Special Bases for Dial Depth Gauges

The TB 66 P base, with its prismatic design, is specifically engineered for measuring tubes with diameters ranging from 10 to 100 mm.

Flat bases for Dial Depth Gauges are also available in the following sizes:

TB 200: 200 × 20 mm
TB 250: 250 × 20 mm
TB 300: 300 × 25 mm

All bases feature a Ø8 mm H7 bore, are burnished for corrosion resistance, and have a finely ground measuring surface to ensure high accuracy. Custom base lengths can be supplied upon request.

Overview

Customer value

Käfer Precision Dial Depth Gauges TM 2/30 is manufactured to conform with DIN EN ISO 9001:2000 standard. All Kafer dial gauges are shipped with factory calibrated, traceable standards and covered with 1 year limited warranty.

Built to last

Since 1932, Käfer Messuhrenfabrik GmbH & Co. Käfer manufacturing wide range of dial indicators and is trusted as the main OEM fabricator for many reputable brands. Versatile and reliable, Kafer devices are built for unmatched precision at affordable cost.

TECHNICAL SPECIFICATION

Type	Dial Depth Gauge TM/2 or TZ/2	Dial Depth Gauge TM 2/30 or TZ 2/30
Reading	0.01 mm / .001”	0.01 mm / .001”
Range	10 mm / .400”	30 mm / 1.000”
Range per revolution	1 mm / .100”	1 mm / .100”
Bezel-Ø	58 mm	58 mm
Base dimensions	80 x 16 mm	80 x 16 mm
Accuracy according to	DIN 878 hysteresis fu however not checked	Manufacturing standard 1.0200.9.0014 hysteresis fu however not checked
Dial reading	anti-clockwise	anti-clockwise

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Käfer Dial Depth Gauge TM / TZ Series

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