Inside Micrometers

  1. Mitutoyo Series 133 Tubular Inside Micrometer (Metric or Inch) - Choice of Model and Sets
    Mitutoyo logo
    Mitutoyo Series 133 Tubular Inside Micrometer (Metric or Inch) - Choice of Model and Sets
    (no reviews)
    £112.68 £93.90
    • Sets available
    • Ranges in Metric or Inches
    • Sleeve rotates to adjust the index line position
    93 Reward Points
    Price Match Guarantee
    133-TUB
  2. Mitutoyo Series 115 Cylindrical/Spherical Anvil Tube Micrometers (BMB1/2/3/4) - Choice of Type
    Mitutoyo logo
    Mitutoyo Series 115 Cylindrical/Spherical Anvil Tube Micrometers (BMB1/2/3/4) - Choice of Type
    (no reviews)
    £122.28 £101.90
    • Constant measuring force
    • Equipped with Ratchet Stop
    • BMB1, BMB2, BMB3 & BMB4 types available
    101 Reward Points
    Price Match Guarantee
    115-3XX
  3. Mitutoyo Series 141 Inside Micrometer with Interchangeable Rods: 25-1,000mm or 1-40
    Mitutoyo logo
    Mitutoyo Series 141 Inside Micrometer with Interchangeable Rods: 25-1,000mm or 1-40" - Optional Carbide Face
    (no reviews)
    £150.60 £125.50
    • Each rod is marked with its measuring range
    • Satin-chrome finish on the rods and micrometer
    • Handle extension screws into the head enabling measurement in deep holes
    125 Reward Points
    Price Match Guarantee
    141-XXX
  4. Mitutoyo Series 137 Extension Tube Inside Micrometer (Metric or Inch) - Choice of Model/Sets
    Mitutoyo logo
    Mitutoyo Series 137 Extension Tube Inside Micrometer (Metric or Inch) - Choice of Model/Sets
    (no reviews)
    £183.60 £153.00
    • Resolution: 0.001 mm / .0001"
    • Wide range of inside measurements
    • Sleeve rotates to adjust the index line position
    153 Reward Points
    Price Match Guarantee
    137-0/2XX
  5. Mitutoyo Series 139 Long Range Extension Tube Inside Micrometer (Metric or Inch) - Choice of Model
    Mitutoyo logo
    Mitutoyo Series 139 Long Range Extension Tube Inside Micrometer (Metric or Inch) - Choice of Model
    (no reviews)
    £190.20 £158.50
    • Resolution: 0.001 mm / .0001"
    • Wide range of inside measurements
    • Sleeve rotates to adjust the index line position
    158 Reward Points
    Price Match Guarantee
    139-EX-TUBE
  6. Mitutoyo Series 147 Hub Micrometer (Inch or Metric) - Choice of Model
    Mitutoyo logo
    Mitutoyo Series 147 Hub Micrometer (Inch or Metric) - Choice of Model
    (no reviews)
    £207.48 £172.90
    • Equipped with Ratchet Stop
    • Suitable for measuring hub thickness and shoulders inside a bore
    • Available in metric (0 - 25 mm to 75 - 100 mm) or inch (0 - 1" - 3 - 4")
    172 Reward Points
    Price Match Guarantee
    147-3XX
  7. Mitutoyo Series 146 Groove Micrometer (Metric or Inch) - Choice of Model
    Mitutoyo logo
    Mitutoyo Series 146 Groove Micrometer (Metric or Inch) - Choice of Model
    (no reviews)
    £255.48 £212.90
    • Dual scales
    • Two-directional ratchet stop
    • Available in metric (0-25 mm - 75-100 mm) or inches (0-1" - 3-4")
    212 Reward Points
    Price Match Guarantee
    146-12X/13X
  8. Mitutoyo Series 145 Inside Caliper Micrometer (Metric or Inch) - Choice of Model
    Mitutoyo logo
    Free UK Delivery
    Mitutoyo Series 145 Inside Caliper Micrometer (Metric or Inch) - Choice of Model
    (no reviews)
    £303.48 £252.90
    • Carbide measuring faces
    • Accurate diameter measurements
    • Equipped with a constant measuring-force device
    252 Reward Points
    Price Match Guarantee
    145-INS-C
  9. Mitutoyo Series 368 Holtest (Type II) Three-Point Bore Micrometer (Metric or Inch) - Choice of Model and Sets
    Mitutoyo logo
    Free UK Delivery
    Mitutoyo Series 368 Holtest (Type II) Three-Point Bore Micrometer (Metric or Inch) - Choice of Model and Sets
    (no reviews)
    £324.60 £270.50
    • Sets available
    • Ranges in Metric or Inches
    • Measurement can be made with the accuracy of titanium-coated Holtest models
    270 Reward Points
    Price Match Guarantee
    368-TYPE2
  10. Mitutoyo Series 368 Holtest Three-Point/Two-Point Bore Micrometers (Metric or Inch) - Choice of Model
    Mitutoyo logo
    Free UK Delivery
    Mitutoyo Series 368 Holtest Three-Point/Two-Point Bore Micrometers (Metric or Inch) - Choice of Model
    (no reviews)
    £343.80 £286.50
    • Titanium-coated measuring pins
    • Ratchet Stop ensures constant force
    • Available in Two-Point and Three-Point ranges
    286 Reward Points
    Price Match Guarantee
    368-2P-3P
  11. Mitutoyo Series 146 Non-Rotating Spindle Groove Micrometer (Metric or Inch) - Choice of Model
    Mitutoyo logo
    Free UK Delivery
    Mitutoyo Series 146 Non-Rotating Spindle Groove Micrometer (Metric or Inch) - Choice of Model
    (no reviews)
    £430.80 £359.00
    • Dual scales
    • Two-directional ratchet stop
    • Available in metric (0-25 mm - 75-100 mm) or inches (0-1" - 3-4")
    359 Reward Points
    Price Match Guarantee
    146-22X/23X
  12. Mitutoyo Series 395 Cylindrical/Spherical Anvil Tube Micrometers (BMB2/3/4) - Choice of Type
    Mitutoyo logo
    Free UK Delivery
    Mitutoyo Series 395 Cylindrical/Spherical Anvil Tube Micrometers (BMB2/3/4) - Choice of Type
    (no reviews)
    £490.80 £409.00
    • Constant measuring force
    • Equipped with Ratchet Stop
    • BMB2, BMB3 & BMB4 types available
    409 Reward Points
    Price Match Guarantee
    395-36X
  13. Mitutoyo Series 345 Digimatic Inside Caliper Micrometer (.2 - 1.2
    Mitutoyo logo
    Free UK Delivery
    Mitutoyo Series 345 Digimatic Inside Caliper Micrometer (.2 - 1.2" or 1 - 2") - Choice of Model
    (no reviews)
    £708.00 £590.00
    • Carbide measuring faces
    • Accurate diameter measurements
    • Equipped with a constant measuring-force device
    590 Reward Points
    Price Match Guarantee
    345-35X-30
  14. Mitutoyo Series 510 Indicating Micrometer (Metric or Inch) - Choice of Model
    Mitutoyo logo
    Free UK Delivery
    Mitutoyo Series 510 Indicating Micrometer (Metric or Inch) - Choice of Model
    (no reviews)
    £774.00 £645.00
    • Water-resistant, level IP54
    • Easy-to-read indicator scale
    • Available in metric (0-25 mm - 75-100 mm) or inches (0-1" - 3-4")
    645 Reward Points
    Price Match Guarantee
    510-12X/13X
  15. Mitutoyo Series 368 Holtest Three-Point/Two-Point Bore Micrometers Sets (Metric or Inch) - Choice of Set
    Mitutoyo logo
    Free UK Delivery
    Mitutoyo Series 368 Holtest Three-Point/Two-Point Bore Micrometers Sets (Metric or Inch) - Choice of Set
    (no reviews)
    £802.80 £669.00
    • Metric or Inch Sets are available
    • Two-Point and Three-Point ranges
    669 Reward Points
    Price Match Guarantee
    368-SETS
  16. Mitutoyo Series 337 Digimatic Extension Tube Inside Micrometer (8-9
    Mitutoyo logo
    Free UK Delivery
    Mitutoyo Series 337 Digimatic Extension Tube Inside Micrometer (8-9", 8-40" or 8-60") - Choice of Model
    (no reviews)
    £1,056.00 £880.00
    • Resolution: 0.001 mm / .0001"
    • Wide range of inside measurements
    • Sleeve rotates to adjust the index line position
    880 Reward Points
    Price Match Guarantee
    337-102/303/4
  17. Mitutoyo Series 339 Digimatic Long Range Extension Tube Inside Micrometer - Choice of 8-9
    Mitutoyo logo
    Free UK Delivery
    Mitutoyo Series 339 Digimatic Long Range Extension Tube Inside Micrometer - Choice of 8-9", 8-40" or 8-60"
    (no reviews)
    £1,056.00 £880.00
    • Resolution: 0.001 mm / .0001"
    • Wide range of inside measurements
    • Sleeve rotates to adjust the index line position
    880 Reward Points
    Price Match Guarantee
    339-1/30X
  18. Mitutoyo Series 468 Digimatic Holtest Three-Point Bore Micrometer (.275-.35
    Mitutoyo logo
    Free UK Delivery
    Mitutoyo Series 468 Digimatic Holtest Three-Point Bore Micrometer (.275-.35" - 11-12") - Choice of Model
    (no reviews)
    £1,102.80 £919.00
    • IP65 protection
    • Large LCD readout
    • Ranges from .275 - .35" to 11 - 12"
    919 Reward Points
    Price Match Guarantee
    468-3-PB
  19. Mitutoyo Series 568 ABS Digi Borematic Snap-Open Bore Gauge (.275-.35
    Mitutoyo logo
    Free UK Delivery
    Mitutoyo Series 568 ABS Digi Borematic Snap-Open Bore Gauge (.275-.35" - 4.5-5") - Choice of Model and Sets
    (no reviews)
    £1,350.00 £1,125.00
    • Sets available
    • Ranges in Metric or Inches
    • Titanium-coated measuring pins provide excellent durability
    1125 Reward Points
    Price Match Guarantee
    568-SNAP
  20. Mitutoyo Series 468 Digi Holtest Three-Point Bore Micrometer Interchangeable-Head Sets - Choice of Set
    Mitutoyo logo
    Free UK Delivery
    Mitutoyo Series 468 Digi Holtest Three-Point Bore Micrometer Interchangeable-Head Sets - Choice of Set
    (no reviews)
    £1,786.80 £1,489.00
    • Interchangeable Head Sets
    • Available in .275 - .5", .5 - .8", .8 - 2", 2 - 4" & 4 - 8" ranges
    1489 Reward Points
    Price Match Guarantee
    498-INTER
  21. Mitutoyo Series 140 Long Range Extension Tube Inside Micrometer (Metric or Inch) - Choice of Model
    Mitutoyo logo
    Free UK Delivery
    Mitutoyo Series 140 Long Range Extension Tube Inside Micrometer (Metric or Inch) - Choice of Model
    (no reviews)
    £2,650.80 £2,209.00
    • Resolution: 0.001 mm / .0001"
    • Wide range of inside measurements
    • Sleeve rotates to adjust the index line position
    2209 Reward Points
    Price Match Guarantee
    140-EX-TUBE
  22. Mitutoyo Series 468 Digi Holtest Three-Point Bore Micrometer Non-Interchangeable-Head Sets - Choice of Set
    Mitutoyo logo
    Free UK Delivery
    Mitutoyo Series 468 Digi Holtest Three-Point Bore Micrometer Non-Interchangeable-Head Sets - Choice of Set
    (no reviews)
    £3,444.00 £2,870.00
    • Non-Interchangeable Head Sets
    • Available in .275 - .5", .5 - 1", 1 - 2", 2 - 3" & 3 - 4" ranges
    2870 Reward Points
    Price Match Guarantee
    498-N/INTER

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About Inside Micrometers

The inside micrometer precisely measures the inner diameter of objects bonded by walls, cylindrical bores, or hollow pipes. They are available in different designs and sizes for various measurements and can measure by mm or inches and gives precise readings.

The general equipment comprises a measuring head or a micrometer unit, extension rods, a spacer or spacing collar, and a handle. The measuring head consists of a thimble, which has one way marking known as the thimble division (TD) reading. The sleeve or barrel has the main or index scale and sub-scales, and they have two-waymarking, known as MSD (main scale division).

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