Micrometers

Shop the best micrometers at Cromwell Tools. From digital to external micrometers, we have the tools for accurate measurements. Explore our range today.

Digital and Mechanical Micrometers | Cromwell Tools

Measuring & Test Equipment

stockStatus

brand

categoryId

System of Measurement

Ingress Protection Rating (IP Rating)

Measuring Range (mm)

Accuracy (mm)

Resolution (mm)

Measurement Range (mm)

Display Type

Set Type

Graduation (mm)

Graduations (mm)

Product Type

Linear Measurement Equipment

Digital External Micrometers

Moore & Wright

This range of digital external micrometers feature hammertone finished frames with a high quality insulated grip. They are tapered for easy access and feature a clear LCD display. Carbide measuring faces and constant force ratchet on thimble. The micrometers are protected to IP54. Functions: mm/inch conversion, ABS/INC, zero setting.

Features and Benefits
• Quality hammertone finish with insulated grips
• Tapered for easy access
• Clear LCD display
• Tungsten carbide measuring faces and constant force ratchet on thimble

Typical Applications
• Provide precise measurements of length, diameter, and thickness

MW200 Digital External Micrometers


MW200-03DBL 50-75mm/2-3" DIGITAL MICROMETER

Internal Micrometers

Series 900 - Inch - Graduation: 0.001”
Each model comprises a measuring head, a set of extension rods and a spacing collar to facilitate alternative measuring ranges and have detachable extension handles. Supplied in a fitted case. Comply with BS 959.

Enhance measurement precision effortlessly with the Traditional Internal Micrometer--an essential tool for professionals and enthusiasts. Featuring a measuring head, extension rods, and a spacing collar, this micrometer adapts seamlessly to diverse measuring ranges. 

Features and Benefits
• Seamless adaptation to diverse measuring ranges
• Ensures meticulous and reliable internal measurements
• Crafted for adaptability and precision in intricate projects
• Empowers users in stringent quality control settings

Typical Applications
• Perfect for machining, engineering, and quality control applications

Standards
• BS 959

900 Series Internal Micrometers - Imperial

903 2-12" INSIDE MICROMETER

Analogue External Micrometers

Kennedy

Enamelled frame and tungsten carbide tipped anvils. Manufactured to BS 870.
Accuracy:
Flatness: 0.6mm.
Parallelism: (2 + L/100) µm (fraction rounded down).
Instrumental error: ±(1 + L/75) µm (fraction rounded up).
L = maximum measuring length.

Enamelled frame and tungsten carbide tipped anvils. Manufactured to BS 870.
Supplied in a durable plastic case.
Flatness: 0.6mm.
Parallelism: (2 + L/100) µm 
(fraction rounded down).
Instrumental error: ±(1 + L/75) µm 
(fraction rounded up).
L = maximum measuring length

Metric External Micrometers

125-150mm EXTERNAL MICROMETER

Micrometer Accessories

Oxford

Metric Sizes
For setting external micrometers, calipers etc. to zero, providing accurate repeatability of measurements. Flat, lapped measuring ends with fitted heat insulation block. Manufactured to BS 870.

For setting external micrometers, calipers etc. to zero, providing accurate repeatability of measurements. Flat, lapped measuring ends with fitted heat insulation block.
Manufactured to BS 870.
Weight 62g.

Micrometer Setting Standards - Metric

25mm MICROMETER SETTING ROD

Mitutoyo

Series 150
Spindle diameter: 6.35mm - tungsten carbide tipped. Spindle housing diameter: 10mm. 
Spindle pitch: 1mm/.025mm.
Main body diameter: 18mm. 
Overall length: 109mm.
Accuracy (full scale): metric: ±2µm, inch: ±0.0001".   

(1) Complete with set nut. (2) = Spherical tip.

Spindle diameter: 6.35mm - tungsten carbide tipped. Spindle housing diameter: 10mm. 
Spindle pitch: 1mm/.025mm.
Main body diameter: 18mm. 
Overall length: 109mm.
Accuracy (full scale): metric: ±2µm, inch: ±0.0001".   

(1) Complete with set nut. (2) = Spherical tip.

150 Series Medium Sized Micrometer Heads

150-191 MICROMETER HEAD

Enamelled Frame - Ratchet Thimble
Economy type with carbide tipped anvils.

Flatness: 0.6mm for up to 300mm (12").
1.0mm for up to 300 - 500mm (12 - 20").
Parallelism: 2+L/100)mm (fraction rounded down).
L = maximum measuring length.

103 Series External Micrometers - Imperial

103-179 (103-179H) 2-3" O /S MICROMETER

These data cables allow you to connect measuring instruments with a Digimatic output to a PC or dedicated data processor.
Digimatic Data Cables offer you the following benefits:

- Connecting Mitutoyo measuring instruments that feature a Digimatic interface.
- You can also connect one or more Digimatic measuring instrument to an additional device,
- such as a DP-1VR, Counter or DMX Interface (PC).

Digimatic Straight Data Button Cables

Digimatic Straight Data Button Cable - 1m

Combining lightweight workshop design with enamel finished frame and blade-shaped anvil. Ratchet stop for consistent measurement. Complete with case. 

Available in three sizes - 0-25mm, 25-50mm and 75-100mm.

Blade Micrometers

0-25mm BLADE MICROMETER

With enamelled frame and tungsten carbide tipped anvils. High quality fitted metal case with adjusting spanner. Sizes 25 - 50mm/1 - 2” and over supplied with setting standard. Manufactured to BS 870. All supplied in a impact resistant fitted plastic case.

Precision is paramount with our robust enamelled framed external micrometer. Featuring tungsten carbide tipped anvils, this tool ensures high-precision measurements in diverse applications. Ideal for workshops and manufacturing, the micrometer delivers accurate and reliable results. Its sturdy construction and advanced features make it a must-have for professionals and enthusiasts who prioritize precision in their measurements. Whether measuring dimensions in intricate projects or demanding industrial settings, this external micrometer guarantees dependable performance, setting a standard for accuracy in dimensional measurement tasks.

Features & Benefits
• Enamelled frame with tungsten carbide tipped anvils for hardwearing use
• Excellent fitted metal case with adjusting spanner
• Range Size from 25 - 50mm & over supplied with setting standard
• Manufactured to BS 870 standard
• Supplied in an impact resistant fitted plastic case
• Resolution: 0.01mm
• Weight 230g

Notes
• Adjusting spanner & metal case included


Enamelled Frame External Micrometers - Metric

50-75mm EXTERNAL MICROMETER

50mm MICROMETER SETTING ROD

Pearl chrome plated tapered bow frame with insulation pads. Supplied in a durable plastic pocket case.

All have tungsten carbide measuring faces with a choice of standard or vernier type sleeve. Fitted with a speeder type ratchet and locking lever. Supplied with an adjusting key.
Comply with BS870, DIN863/1, ISO361.
6.5mm spindle diameter.


1961/1965 Series Mechanical External Micrometers 

1961M 0-25MM OUTSIDE MICROMETER

Used for measuring within small grooves or recesses and for quick comparisons of thread accuracy in screw cutting operations. With knurled thimble, ratchet stop and thumb lock. Enamelled frame with satin chromed finish barrel and sleeve.

30° Anvil Micrometers

0-25mm 30DEG POINTED MICROMETER

Series 167 - Inch
For zero adjustment of outside micrometers.
Accuracy:
Flatness: within 0.3µm.
Parallelism: within 2µm.

For zero adjustment of outside micrometers.
Flatness: within 0.3µm.
Parallelism: within 2µm.



167 Series Micrometer Setting Standards - Imperial

167-141 1" MEASURING STANDARD

167-143 3" MEASURING STANDARD

This extensive range of economy type external micrometers feature carbide tipped anvils and have a lightweight design with a baked-enamel finished frame. They are ideal for everyday workshop use. The micrometers are equipped with a ratchet stop to ensure constant measuring force. 

Features and Benefits
• Lightweight, workshop design
• Equipped with a ratchet stop for constant measuring force
• Baked-enamel finished frame

Typical Applications
• Measuring the thickness or outside diameter of objects

103 Series External Micrometers - Metric

103-141-10 (103-141H) 100-125mm O/S MICROMETER

Available in both metric and inch, for models up to 150mm/6".

Micrometer Ball Attachments

101468E BALL ATTACHMENT IMPERIAL

125mm MICROMETER SETTING ROD

167-142 2" MEASURING STANDARD

150-802 MICROMETER HEAD

Series 156
Designed specifically for use with Mitutoyo digimatic micrometers up to 50mm/2”. Cast iron, attractively enamelled with clamping joints.

45° Angle Type
Designed specifically for use with Mitutoyo Digimatic micrometers up to 50mm/2". Cast iron, attractively enamelled with clamping joints.

156-105 Digimatic Micrometer Stand

156-105-10 MICROMETER STAND

Series 167 - Metric
For zero adjustment of outside micrometers.
Accuracy: 
Flatness: within 0.3µm.
Parallelism: within 2µm.

For zero adjustment of outside micrometers.
Flatness: within 0.3µm.
Parallelism: within 2µm.

167 Series Micrometer Setting Standards - Metric

167-102 50mm MEASURING STANDARD

Inch Sizes
For setting external micrometers, calipers etc. to zero, providing accurate repeatability of measurements. Flat, lapped measuring ends with fitted heat insulation block. Manufactured to BS 870.

For setting external micrometers, calipers etc. to zero, providing accurate repeatability of measurements. Flat, lapped measuring ends with fitted heat insulation block.
Manufactured to BS 870.

Micrometer Setting Standards - Imperial

1" MICROMETER SETTING ROD

150-192 MICROMETER HEAD

103-184 7-8" O/S MICROMETER

Replacement Anvils for Screw Thread Micrometers

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Micrometers

Moore & Wright

MW200-03DBL 50-75mm/2-3" DIGITAL MICROMETER

4 Variations

Moore & Wright

903 2-12" INSIDE MICROMETER

3 Variations

Kennedy

125-150mm EXTERNAL MICROMETER

6 Variations

Oxford

25mm MICROMETER SETTING ROD

12 Variations

Mitutoyo

150-191 MICROMETER HEAD

4 Variations

Mitutoyo

103-179 (103-179H) 2-3" O /S MICROMETER

16 Variations

Mitutoyo

Digimatic Straight Data Button Cable - 1m

2 Variations

Oxford

0-25mm BLADE MICROMETER

2 Variations

Oxford

50-75mm EXTERNAL MICROMETER

12 Variations

Oxford

50mm MICROMETER SETTING ROD

12 Variations

Moore & Wright

1961M 0-25MM OUTSIDE MICROMETER

8 Variations

Oxford

0-25mm 30DEG POINTED MICROMETER

Mitutoyo

167-141 1" MEASURING STANDARD

24 Variations

Mitutoyo

167-143 3" MEASURING STANDARD

24 Variations

Mitutoyo

103-141-10 (103-141H) 100-125mm O/S MICROMETER

22 Variations

Mitutoyo

101468E BALL ATTACHMENT IMPERIAL

2 Variations

Oxford

125mm MICROMETER SETTING ROD

12 Variations

Mitutoyo

167-142 2" MEASURING STANDARD

24 Variations

Mitutoyo

150-802 MICROMETER HEAD

4 Variations

Mitutoyo

156-105-10 MICROMETER STAND

Mitutoyo

167-102 50mm MEASURING STANDARD

24 Variations

Oxford

1" MICROMETER SETTING ROD

5 Variations

Mitutoyo

150-192 MICROMETER HEAD

4 Variations

Mitutoyo

103-184 7-8" O/S MICROMETER

16 Variations

Mitutoyo

126-803 UNF/METRIC MEASURING TIP

5 Variations