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

accuracymm

display_type

graduationmm

graduationsmm

ingress_protection_rating_ip_rating

measurement_rangemm

measuring_rangemm

product_type

resolutionmm

set_type

system_of_measurement

brand

categoryId

stockStatus

Linear Measurement Equipment

Analogue External Micrometers

Mitutoyo

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

103-139-10 (103-139.H) 50-75mm O/S MICROMETER

103-142-10 (103-142-10H)125-150mm O/S MICROMETER

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

103-177 0-1" O/S MICROMETER

103-178 (103-178H) 1-2" O /S MICROMETER

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

103-181 (103-181H) 4-5" O /S MICROMETER

103-183 6-7" O/S MICROMETER

103-184 7-8" O/S MICROMETER

Micrometer Sets

Metric 
Range: 0-150. 
Set contents: 0-25, 25-50, 50-75, 75-100, 100-125, 125-150mm plus 5 Standards. 
Weight: 2.4kg.

The 103 series external micrometer sets from Mitutoyo® supply reliable, exact readings.

Features and Benefits
• Lightweight workshop design
• Carbide measuring face for durability
• Hammertone, baked enamel-finished-frame
• Ratchet Stop for exact repetitive readings
• Supplied in a fitted case for convenient storage

Typical Applications
• Test and measurements


External Micrometer Sets, 103 Series, Metric

103-913-50 (103-913-31) MICROMETER & STANDARDS SET

Series 104 - Metric
With one-piece carbide tip spindle and interchangeable ­hardened anvils with ground threads. Micro-lapped anvil and spindle faces, perforated frame with enamel finish. Supplied with standards, ratchet stop, positive locking clamp and supplied in a wooden or plastic (depending on size) storage case.

Accuracy:   
Flatness: 0.6mm up to 300mm. 
1.0mm up to 300 - 1000mm. 
Parallelism: (2+L/100)mm (fraction rounded down). 
Instrument error: ± (4+L/75)mm (fraction rounded up). 
L = maximum measuring length.

With one-piece carbide tip spindle and interchangeable ­hardened anvils with ground threads. Micro-lapped anvil and spindle faces, perforated frame with enamel finish. Supplied with standards, ratchet stop, positive locking clamp and supplied in a wooden or plastic (depending on size) storage case.

Accuracy:   
Flatness: 0.6mm up to 300mm. 
1.0mm up to 300 - 1000mm. 
Parallelism: (2+L/100)mm (fraction rounded down). 
Instrument error: ± (4+L/75)mm (fraction rounded up). 
L = maximum measuring length.

Metric

104 Series External Micrometers with Interchangeable Anvils - Metric

104-141A (104-141) 200-300mm MIC. C/W ANV & STDS

Series 112 - Inch
With 15° or 30° pointed anvils (0.3mm point radius), for measuring in areas of restricted access. Quick and easy wear adjustment, positive locking clamp and ratchet stop.
Accuracy:
Parallelism:  3µm.
Instrument error: +(2+L/75)µm (fraction rounded up).
Graduation: 0.001” (0.01mm).
L = Maximum measuring length.
1”/25mm = 55.3mm.
2”/50mm = 80.3mm.

With 30° pointed anvils (0.3mm point radius), for measuring in areas of restricted access. Quick and easy wear adjustment, positive locking clamp and ratchet stop.
Accuracy:
Parallelism:  3µm.
Instrument error: +(2+L/75)µm (fraction rounded up).
Graduation: 0.001" (0.01mm).
L = Maximum measuring length.
1"/25mm = 55.3mm.
2"/50mm = 80.3mm.

Metric

112 Series Point Micrometers - 30° Tips

112-225 0-1" POINT MICROMETER 30 DEG

For measuring wall thickness, collars, tubing etc. Checking dimensions from inside holes to outside edges. ­Measuring faces carbide tipped, anvil and spindle are hardened, precision ground and micro-lap finished. 
Instrument error: ±3µm.

115 Series Spherical Anvil Tube Micrometers

115-115 0-25mm TUBE MICROMETER

115 Series Type A Tube Micrometers

115-302 0-25mm TUBE MICROMETER

Micrometer Accessories

Replacement Anvils for Screw Thread Micrometers

Anvils for Screw Thread Micrometers

126-803 UNF/METRIC MEASURING TIP

126-804 UNF/METRIC MEASURING TIP

Depth Micrometers

Series 128 
Fixed rod type with bases hardened, precision ground and ­­micro-lapped.  All other surfaces are satin chrome finished. The screw is also precision ground and lapped. Ratchet stop. Spanner wrench with each micrometer.

Accuracy: 
Instrument error:  ±3µm. 
Flatness of reference face (bottom face of base):
1.3µm for 60mm/2.5” base.
2µm for 100mm/4” base.

Fixed rod type with bases hardened, precision ground and ­­micro-lapped.  All other surfaces are satin chrome finished. The screw is also precision ground and lapped. Ratchet stop. Spanner wrench with each micrometer.

Accuracy: 
Instrument error:  ±3µm. 
Flatness of reference face (bottom face of base):
1.3µm for 60mm/2.5" base.
2µm for 100mm/4" base.

128 Series Fixed Rod Depth Micrometers

128-105 0-1" DEPTH MICROMETER

Series 129
The interchangeable rod depth micrometer is available as standard mechanical, mechanical digital and electronic digimatic (see separate digimatic entry). All models have hardened tool steel bases. Measuring rods are ground and micro-lapped on the faces. The sleeve and thimble are satin-chrome finished. Rod diameters are .157” (4mm) and are adjustable in either direction for calibration and wear compensation.

Accuracy: Rod diameter: 4mm.
Measuring length per rod: 1” (25mm).
Instrument error: ±3µm.
Flatness of reference face (bottom face of base):
1.3µm for 60mm/2.5” base. 2µm for 100mm/4” base.

The Mitutoyo® interchangeable rods provide flexible depth measurements over a wide range using interchangeable rods.   

Features and Benefits
• The robust tool steel bases provide a solid foundation, ensuring stability during measurements, preventing any unwanted shifts or inaccuracies
• Meticulously ground and micro-lapped measuring rods guarantee precise and reliable measurements every time
• The sleek satin-chrome finish on the sleeve and thimble not only adds a touch of elegance but also enhances durability, protecting against corrosion and wear
• Effortlessly customise your calibration with adjustable rod diameters (.157in. or 4mm), allowing you to adapt to various measurement needs and ensuring consistent accuracy over time
• The combination of durable construction and wear compensation in both directions significantly extends the lifespan of the measuring tool, providing long-lasting reliability for your projects

Notes
• Accuracy: Rod diameter: 4mm
• Measuring length per rod: 1" (25mm)
• Flatness of reference face (bottom face of base):
1.3µm for 60mm/2.5in. base
2µm for 100mm/4in. base

129 Series Interchangeable Rod Depth Micrometers

129-116 0-150mm DEPTH MICROMETER

Internal Micrometers

Series 141 - Metric Sets - Graduated: 0.01mm
Lightweight, well balanced and rigid. Satin chrome finish with hardened, ground and lapped measuring screw. Each micrometer of <300mm (12”) is supplied with handle to reach into deep holes. The set also includes spacing collar, a series of precision measuring rods and a dull chrome plated micrometer head. Spacing collars designed for making up for the limited stroke of the micrometer head. Each rod marked with length. 
Easily reset - adjustment positive and permanent. High grade steel anvil, hardened, precision ground, micro-lapped and adjustable. Spanner wrench supplied with each micrometer.

Accuracy: 
Instrument error:  ±(6+L/50)µm.  
L = maximum measuring length.

Lightweight, well balanced and rigid. Satin chrome finish with hardened, ground and lapped measuring screw. Each micrometer of <300mm (12") is supplied with handle to reach into deep holes. The set also includes spacing collar, a series of precision measuring rods and a dull chrome plated micrometer head. Spacing collars designed for making up for the limited stroke of the micrometer head. Each rod marked with length. 
Easily reset - adjustment positive and permanent. High grade steel anvil, hardened, precision ground, micro-lapped and adjustable. Spanner wrench supplied with each micrometer.

Accuracy: 
Instrument error:  ±(6+L/50)µm.  
L = maximum measuring length.

Inch Sets - Graduated: 0.001"

141 Series Interchangeable Rod Micrometers - Metric

141-101 25-50mm INSIDE MICROMETER

Series 141 - Inch Sets - Graduated: 0.001”
Lightweight, well balanced and rigid. Satin chrome finish with hardened, ground and lapped measuring screw. Each micrometer of <300mm (12”) is supplied with handle to reach into deep holes. The set also includes spacing collar, a series of precision measuring rods and a dull chrome plated micrometer head. Spacing collars designed for making up for the limited stroke of the micrometer head. Each rod marked with length. 
Easily reset - adjustment positive and permanent. High grade steel anvil, hardened, precision ground, micro-lapped and adjustable. Spanner wrench supplied with each micrometer.

Accuracy: 
Instrument error:  ±(6+L/50)µm.  
L = maximum measuring length.

141 Series Internal Micrometers with Interchangeable Rod

141-102 1-2" INSIDE MICROMETER

141-206 50-300mm INSIDE MICROMETER

For accurate measurement of depth and thickness of seams on cans. Satin chrome finish with thimble and sleeve scales. 
Will measure can seam depths up to 5mm. Supplied in a lockable box with key. 
Accuracy: plus/minus 3um. 
Graduation: 0.01mm/0.001".

147 Series Can Seam Micrometers

147-202 0-13mm CAN SEAM MICROMETER

Series 148 - Metric - Graduation: 0.01mm
Standard end, spherical end and reverse reading.
Accuracy: Metric: ±2µm.

These are a standard type of small size micrometer heads with a zero-adjustable thimble.
They offer the following benefits:

- You can make a zero-setting at any position by loosening the setscrew in the thimble.


148 Series Zero Adjustable Micrometer Heads

148-504 MICROMETER HEAD

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.

Micrometers

Mitutoyo

103-139-10 (103-139.H) 50-75mm O/S MICROMETER

21 Variations

Mitutoyo

103-142-10 (103-142-10H)125-150mm O/S MICROMETER

21 Variations

Mitutoyo

103-177 0-1" O/S MICROMETER

16 Variations

Mitutoyo

103-178 (103-178H) 1-2" O /S MICROMETER

16 Variations

Mitutoyo

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

16 Variations

Mitutoyo

103-181 (103-181H) 4-5" O /S MICROMETER

16 Variations

Mitutoyo

103-183 6-7" O/S MICROMETER

16 Variations

Mitutoyo

103-184 7-8" O/S MICROMETER

16 Variations

Mitutoyo

103-913-50 (103-913-31) MICROMETER & STANDARDS SET

3 Variations

Mitutoyo

104-141A (104-141) 200-300mm MIC. C/W ANV & STDS

12 Variations

Mitutoyo

112-225 0-1" POINT MICROMETER 30 DEG

2 Variations

Mitutoyo

115-115 0-25mm TUBE MICROMETER

2 Variations

Mitutoyo

115-302 0-25mm TUBE MICROMETER

Mitutoyo

126-803 UNF/METRIC MEASURING TIP

6 Variations

Mitutoyo

126-804 UNF/METRIC MEASURING TIP

6 Variations

Mitutoyo

128-105 0-1" DEPTH MICROMETER

3 Variations

Mitutoyo

129-116 0-150mm DEPTH MICROMETER

6 Variations

Mitutoyo

141-101 25-50mm INSIDE MICROMETER

5 Variations

Mitutoyo

141-102 1-2" INSIDE MICROMETER

5 Variations

Mitutoyo

141-206 50-300mm INSIDE MICROMETER

5 Variations

Mitutoyo

147-202 0-13mm CAN SEAM MICROMETER

2 Variations

Mitutoyo

148-504 MICROMETER HEAD

4 Variations

Mitutoyo

150-191 MICROMETER HEAD

4 Variations

Mitutoyo

150-192 MICROMETER HEAD

4 Variations

Mitutoyo

150-802 MICROMETER HEAD

4 Variations

Key Information

Group Policies

© 2024 TED. All rights reserved.Producer Register Limited Number: IE01113WB

© 2024 TED. All rights reserved.
Producer Register Limited Number: IE01113WB