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Mechanical 3 Point Bore Micrometers

Mechanical 3 Point Bore Micrometers

Our range of mechanical 3 point bore micrometers from Insize and market leaders Mitutoyo and Bowers can measure inner areas or internal diameters of a component. Available as either sets or individually in a range of sizes and styles.

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Holtest Bore Micrometer Set (Imperial) - 628 Series (Mitutoyo)
Holtest Bore Micrometer Set (Imperial) - 628 Series (Mitutoyo)

The Mitutoyo 368 Series Holtest Three-Point and Two-Point Bore Micrometer Sets are available with a wide range of Micrometer Head Units, Setting rings, Spanners and more. Three Point Bore Micrometers ...

  • A wide range of sets available.
  • Titanium-coated measuring pins on the three-point micrometers provides excellent durability and impact resistance.
  • Three-Point Bore Micrometer with measuring range of 0.275" or larger allows stable measurement through automatic centering.
  • Ratchet stop ensures constant-force, repeatable measurement.

From £757.09 £630.91

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Analogue Bore Micrometer Set - Micromar 44 AS Series (Mahr)
Analogue Bore Micrometer Set - Micromar 44 AS Series (Mahr)

The analogue bore micrometer set comes with operating and display units in a satin chrome finish. The stainless spindle is hardened throughout and ground, whilst the rapid drive with integrated ratche...

  • Operating and display units with satin chrome finish
  • Stainless spindle is hardened throughout and ground
  • Rapid drive with integrated ratchet
  • Self-centering measuring head consists of 3 anvils (offset 3 x 120°)
  • Measuring anvils from 12mm are carbide tipped
  • From 12mm measuring anvils for measurements up to the bottom of the bore
  • From 40mm measuring head housing made of anodized aluminium
  • Made by premium German supplier Mahr for the highest quality & efficiency

From £2,515.97 £2,096.64

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Analogue Three Points Bore Gauge (Metric) - XTA-M Series (Bowers)
Analogue Three Points Bore Gauge (Metric) - XTA-M Series (Bowers)

Bowers XTA-M traditional analogue bore gauge features a ratchet stop to ensure consistent measurement. Each gaug has tungsten carbide measuring faces on all 3-point heads from 12.5mm. Supplied with se...

  • Traditional analogue bore gauges with ratchet stop to ensure consistent measurement.
  • 3 point self-centering measurement (2-6mm: 2 point).
  • Tungsten carbide measuring faces on all 3-point heads from 12.5mm.
  • Supplied with setting rings & UKAS calibration.

From £320.77 £267.31

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Three Point Internal Bore Micrometer Sets - 3227 Series (Insize)
Three Point Internal Bore Micrometer Sets - 3227 Series (Insize)

The Insize 3227 Internal 3 point bore micrometer, with ratchet stop and carbide measuring faces create a durable, ware resistant tool which allows for repeated measurements. Sizes rangee up to 300mm....

  • Graduations rangee from 0.001mm-0.005mm.
  • Ratchet stop.
  • Supplied with setting rings and extension rods.

From £368.86 £307.38

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Holtest Bore Micrometer (Imperial) - 628 Series (Mitutoyo)
Holtest Bore Micrometer (Imperial) - 628 Series (Mitutoyo)

The Mitutoyo 368 Series Holtest Three-Point and Two-Point Bore Micrometers are available in a wide range of sizes. Three Point Bore Micrometers have titanium-coated measuring pins that provide excelle...

  • Titanium-coated measuring pins on the three-point micrometers provides excellent durability and impact resistance.
  • Three-Point Bore Micrometer with measuring range of 0.275" or larger allows stable measurement through automatic centering.
  • Ratchet stop ensures constant-force, repeatable measurement.

From £322.58 £268.82

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Three-Point Holtest Bore Micrometer Type 2 Set (Imperial) - 628 Series (Mitutoyo)
Three-Point Holtest Bore Micrometer Type 2 Set (Imperial) - 628 Series (Mitutoyo)

The Mitutoyo 368 Series Type 2 Holtest Three-Point Bore Micrometer Sets contain Bore Micrometers made from hardened tool-steel anvils, instead of titanium-coated carbide, to allow a more eeconomically...

  • Hardened tool-steel anvils allow a more economically priced tool.
  • Constant-force device allows repeatable measurement.
  • Measurement can be made close to the bottom of a blind hole.
  • Same accuracy as the titanium-coated holtest models.
  • A wide variety of sets.

From £719.45 £599.54

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Analogue Three Points Bore Gauge Set (Metric) - SMX-M Series (Bowers)
Analogue Three Points Bore Gauge Set (Metric) - SMX-M Series (Bowers)

Bowers SMX-M traditional analogue bore gauge set contains varying numbers of measuring heads, micrometer heads, setting rings and UKAS calibration certification. Each bore gauge features a ratchet sto...

  • Set includes either 2 or 3 measuring heads and micrometer heads, as well as setting rings.
  • Traditional analogue bore gauges with ratchet stop to ensure consistent measurement.
  • 3 point self-centering measurement (2-6mm: 2 point).
  • Tungsten carbide measuring faces on all 3-point heads from 12.5mm.
  • Supplied with UKAS calibration certification.

From £334.87 £279.06

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Holtest Bore Micrometer (Metric) - 628 Series (Mitutoyo)
Holtest Bore Micrometer (Metric) - 628 Series (Mitutoyo)

The Mitutoyo 368 Series Holtest Three-Point and Two-Point Bore Micrometers are available in a wide range of sizes. Three Point Bore Micrometers have titanium-coated measuring pins that provide excelle...

  • Titanium-coated measuring pins on the three-point micrometers provides excellent durability and impact resistance.
  • Three-Point Bore Micrometer with measuring range from 2-300mm allows stable measurement through automatic centering.
  • Ratchet stop ensures constant-force, repeatable measurement.

From £322.58 £268.82

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Holtest Bore Micrometer Set (Metric) - 628 Series (Mitutoyo)
Holtest Bore Micrometer Set (Metric) - 628 Series (Mitutoyo)

The Mitutoyo 368 Series Holtest Three-Point and Two-Point Bore Micrometer Sets are available with a wide range of Micrometer Head Units, Setting rings, Spanners and more. Three Point Bore Micrometers ...

  • A wide range of sets available.
  • Titanium-coated measuring pins on the three-point micrometers provides excellent durability and impact resistance.
  • Three-Point Bore Micrometer with measuring range of 0.275" or larger allows stable measurement through automatic centering.
  • Ratchet stop ensures constant-force, repeatable measurement.

From £785.59 £654.66

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Three-Point Holtest Bore Micrometer Type 2 (Metric) - 628 Series (Mitutoyo)
Three-Point Holtest Bore Micrometer Type 2 (Metric) - 628 Series (Mitutoyo)

The Mitutoyo 368 Series Type 2 Holtest Three-Point Bore Micrometer is made from hardened tool-steel anvils, instead of titanium-coated carbide, to allow a more eeconomically priced tool but with the s...

  • Hardened tool-steel anvils allow a more economically priced tool.
  • Constant-force device allows repeatable measurement.
  • Measurement can be made close to the bottom of a blind hole.
  • Same accuracy as the titanium-coated holtest models.

From £305.28 £254.40

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Three-Point Holtest Bore Micrometer Type 2 Set (Metric) - 628 Series (Mitutoyo)#
Three-Point Holtest Bore Micrometer Type 2 Set (Metric) - 628 Series (Mitutoyo)#

The Mitutoyo 368 Series Type 2 Holtest Three-Point Bore Micrometer Sets contain Bore Micrometers made from hardened tool-steel anvils, instead of titanium-coated carbide, to allow a more eeconomically...

  • Hardened tool-steel anvils allow a more economically priced tool.
  • Constant-force device allows repeatable measurement.
  • Measurement can be made close to the bottom of a blind hole.
  • Same accuracy as the titanium-coated holtest models.
  • A wide variety of sets.

From £719.45 £599.54

View Products
Three-Point Holtest Bore Micrometer Type 2 (Imperial) - 628 Series (Mitutoyo)
Three-Point Holtest Bore Micrometer Type 2 (Imperial) - 628 Series (Mitutoyo)

The Mitutoyo 368 Series Type 2 Holtest Three-Point Bore Micrometer is made from hardened tool-steel anvils, instead of titanium-coated carbide, to allow a more eeconomically priced tool but with the s...

  • Hardened tool-steel anvils allow a more economically priced tool.
  • Constant-force device allows repeatable measurement.
  • Measurement can be made close to the bottom of a blind hole.
  • Same accuracy as the titanium-coated holtest models.
  • A wide variety of sets.

From £305.28 £254.40

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Wide rangee Three Points Internal Bore Micrometer - 3228 Series (Insize)
Wide rangee Three Points Internal Bore Micrometer - 3228 Series (Insize)

The Insize 3228 Wide rangee Internal micrometer with 3 point measurement. With ratchet stop and carbide measuring faces create a durable, ware resistant tool which allows for repeated measurements. Si...

  • Graduation 0.001mm.
  • Carbide measuring faces.
  • Ratchet stop.
  • Supplied with setting rings (except 200-300mm).

From £560.71 £467.26

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Three Point Internal Bore Micrometer - 3227 Series (Insize)
Three Point Internal Bore Micrometer - 3227 Series (Insize)

The Insize 3227 Internal 3 point bore micrometer, with ratchet stop and carbide measuring faces create a durable, ware resistant tool which allows for repeated measurements. Sizes rangee up to 300mm....

  • Graduation: from 0.001-0.005mm.
  • Ratchet stop.
  • Supplied with setting rings (6-100mm) and extension rods.

From £186.80 £155.67

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