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    • Free Delivery on Orders Over £79 ex vat*
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    • The BEST Technical Advice in the Industry
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    Bore Gauges

    Digital & dial bore gauges available from Insize. These gauges measure the diameter of holes, cylinders or pipes with the aid of a digital indicator. Sets also available for measuring different sized bores.

      Shop Now Digital Bore Gauges

      Digital depth gauges from Insize. Ceramic and steel measuring faces create a durable, wear resistant tool which allows for repeated measurements.

      Shop Now Dial Bore Gauges

      Dial bore gauges from Insize. Metric and imperial sizes available as well as long length and small hole models for harder-to-reach bores.

      Shop Now Bore Gauge Sets

      Bore gauge sets from Insize. Sizes range from 3mm up to 160mm. These sets are a cost-effective solution where multiple bore gauges are required.

      Shop Now Three Point Bore Gauges

      Three Point Bore Gauges from Insize. Different sizes and lengths available as well as a pistol-grip style model for increased ease of use.

      Shop Now 2 Point Bore Gauges
    View Filters
    Filter Products
    Range (mm)
    1. 0.95-1.15
    2. 0.95-1.55
    3. 0.95-2.45
    4. 1-1.5
    5. 1.07-1.25
    6. 1.17-1.35
    7. 1.27-1.45
    8. 1.37-1.55
    9. 1.5-1.9
    10. 1.5-10
    11. 1.5-2.45
    12. 1.5-4.25
    13. 1.8-2.2
    14. 10-12
    15. 10-12.5
    16. 10-18.5
    17. 10-20
    18. 100-125
    19. 100-150
    20. 100-160
    21. 100-200
    22. 12-16
    23. 12-20
    24. 12.5-16
    25. 125-150
    26. 150-175
    27. 150-200
    28. 16-20
    29. 160-250
    30. 175-200
    31. 18-160
    32. 18-35
    33. 2-2.5
    34. 2-6
    35. 2.05-2.45
    36. 2.25-2.75
    37. 2.25-4.25
    38. 2.25-6.35
    39. 2.5-3
    40. 2.75-3.25
    41. 20-100
    42. 20-25
    43. 20-50
    44. 200-225
    45. 225-250
    46. 25-30
    47. 25-35
    48. 250-275
    49. 250-450
    50. 275-300
    51. 3-13
    52. 3-3.5
    53. 3-4
    54. 3.25-3.75
    55. 3.5-4
    56. 3.65-4.35
    57. 3.65-6.35
    58. 3.75-4.25
    59. 30-40
    60. 35-160
    61. 35-50
    62. 35-60
    63. 4-5
    64. 4.15-4.85
    65. 4.65-5.35
    66. 40-50
    67. 400-800
    68. 5-6
    69. 5.15-5.85
    70. 5.65-6.35
    71. 50-100
    72. 50-160
    73. 50-63
    74. 50-65
    75. 6-10
    76. 6-12
    77. 6-20
    78. 6-8
    79. 6.15-10.35
    80. 6.15-6.85
    81. 6.65-7.35
    82. 62-75
    83. 65-80
    84. 7.15-7.85
    85. 7.65-8.35
    86. 75-88
    87. 8-10
    88. 8.15-8.85
    89. 8.65-9.35
    90. 80-100
    91. 87-100
    92. 9.15-9.85
    93. 9.65-10.35
    Less
    Range (inch)
    1. 0.037-0.045"
    2. 0.042-0.049"
    3. 0.046-0.053"
    4. 0.05-0.057"
    5. 0.054-0.061"
    6. 0.059-0.075"
    7. 0.071-0.087"
    8. 0.08-0.1"
    9. 0.08-0.25"
    10. 0.081-0.096"
    11. 0.089-0.108"
    12. 0.098-0.118"
    13. 0.1-0.12"
    14. 0.108-0.128"
    15. 0.118-0.138"
    16. 0.12-0.16"
    17. 0.128-0.148"
    18. 0.138-0.157"
    19. 0.144-0.171"
    20. 0.148-0.167"
    21. 0.16-0.2"
    22. 0.163-0.191"
    23. 0.183-0.211"
    24. 0.2-0.25"
    25. 0.203-0.23"
    26. 0.222-0.25"
    27. 0.242-0.27"
    28. 0.262-0.29"
    29. 0.281-0.309"
    30. 0.301-0.329"
    31. 0.321-0.349"
    32. 0.34-0.368"
    33. 0.36-0.388"
    34. 0.38-0.408"
    35. 0.7-1.5"
    36. 1 3/8-2"
    37. 1-1 3/8"
    38. 1.4-2.4"
    39. 1/2-5/8"
    40. 1/4-3/4"
    41. 1/4-3/8"
    42. 1/4-5/16"
    43. 10-11"
    44. 11-12"
    45. 2 5/8-3 1/4"
    46. 2-2 5/8"
    47. 2-4"
    48. 2-6"
    49. 3 1/4-4"
    50. 3/4-1"
    51. 3/4-2"
    52. 3/4-4"
    53. 3/8-1/2"
    54. 3/8-3/4"
    55. 4-5"
    56. 4-6"
    57. 4-8"
    58. 5-6"
    59. 5/16-3/8"
    60. 5/8-3/4"
    61. 6-10"
    62. 6-7"
    63. 6-8"
    64. 7-8"
    65. 8-9"
    66. 9-10"
    Less
    Accuracy
    1. 0.00015"
    2. 0.00020"
    3. 0.00025"
    4. 0.00030"
    5. 0.00035"
    6. 0.00075"
    7. 0.0009"
    8. 0.004mm
    9. 0.005mm
    10. 0.006mm
    11. 0.007mm
    12. 0.008mm
    13. 0.009mm
    14. 0.012mm
    15. 0.015mm
    16. 0.018mm
    17. 0.025mm
    18. 0.04mm
    Less
    Price
    Less
    Readout
    1. Analogue
    2. Dial
    3. Digital
    Less
    Indicator Included
    1. No
    2. Yes
    Less
    Individual or Set
    1. Individual
    2. Set
    Less
    Measurement
    1. inch
    2. mm
    Less
    Brand
    1. Bowers
    2. Insize
    Less