Hole, Drill & Wire Gauges

Hole, Drill & Wire Gauges

  • Starrett® - 4000 Series™ SAE Precision Pin Gauge Set
    Starrett®4000 Series™ SAE Precision Pin Gauge Set
    0
    # 2969205671
    4000 Series™ SAE Precision Pin Gauge Set by Starrett®. If you’re looking for a reliable solution to get your job done with the ultimate accuracy, this top-notch measuring tool is right up to your alley. It is designed to help you...
    Color coded, fully adjustable Go/No-Go gage handle furnished with each setSets are supplied in rugged, high impact protective cases with each space marked for the appropriate gage
    $137.32 - $433.77
  • Starrett® - 829 Series™ SAE and Metric Small Hole Gauge
    Starrett®829 Series™ SAE and Metric Small Hole Gauge
    0
    # 2969205723
    829 Series™ SAE and Metric Small Hole Gauge by Starrett®. If you’re looking for a reliable solution to get your job done with the ultimate accuracy, this top-notch measuring tool is right up to your alley. It is designed to help you...
    Ideal for accurately measuring small holes, slots, grooves, and recessesPrecision Ground Radius on each gage provides two-point contact for maximum accuracy
    $61.22 - $76.21
  • Fowler High Precision® - 72-480 Series™ 1/16 to 1/2" SAE Drill Gauge
    Fowler High Precision®72-480 Series™ 1/16 to 1/2" SAE Drill Gauge (72-480-005)
    0
    # mpn4823659282
    72-480 Series™ 1/16 to 1/2" SAE Drill Gauge by Fowler High Precision®. If you’re looking for a reliable solution to get your job done with the ultimate accuracy, this top-notch measuring tool is right up to your alley. It is...
    Designed to help you get your job done rightProvides the ultimate in functionality
    $44.71
  • Mitutoyo® - 950 Series™ 0 to 36 AWG SAE U.S Standard Wire Gauge
    Mitutoyo®950 Series™ 0 to 36 AWG SAE U.S Standard Wire Gauge (950-203)
    0
    # mpn4657744122
    950 Series™ 0 to 36 AWG SAE U.S Standard Wire Gauge by Mitutoyo®. If you’re looking for a reliable solution to get your job done with the ultimate accuracy, this top-notch measuring tool is right up to your alley. It is designed to...
    Made of high quality steelSatin chrome finish
    $46.26
  • Starrett® - 185 Series™ 0.228 to 0.04" SAE Steel Tap and Drill Gauge
    Starrett®185 Series™ 0.228 to 0.04" SAE Steel Tap and Drill Gauge (185)
    0
    # mpn4692397639
    185 Series™ 0.228 to 0.04" SAE Steel Tap and Drill Gauge by Starrett®. The 185 Time Saver and Drill Gage provides correct sizing of a tap drill for any commonly sized machine screw tap in NF National Fine or NC National Coarse Thread...
    Leaves the right amount of stock for approximately 65% full threadShows correct drill body size
    $115.36
  • Starrett® - 186 Series™ 0.228 to 0.04" SAE Steel Drill and Wire Gauge
    Starrett®186 Series™ 0.228 to 0.04" SAE Steel Drill and Wire Gauge (186)
    0
    # mpn4692397773
    186 Series™ 0.228 to 0.04" SAE Steel Drill and Wire Gauge by Starrett®. Drill and Steel Wire Gage is widely used by mechanics for twist drills and steel drill rods. This product is similar to the Starrett 185 Time Saver Tap and Drill...
    60 holes from 1 to 60Marked with number sizes and decimal equivalents
    $109.79
  • Starrett® - 187 Series™ 1/16 to 1/2" SAE Hardened Steel Jobbers Drill Gauge
    Starrett®187 Series™ 1/16 to 1/2" SAE Hardened Steel Jobbers Drill Gauge (187)
    0
    # mpn4692397774
    187 Series™ 1/16 to 1/2" SAE Hardened Steel Jobbers Drill Gauge by Starrett®. Jobbers Drill Gage provides quick sizing of any twist drill from 1/16 to 1/2" by 64ths. This product includes 29 holes that are marked with drill size in...
    Rigidly tested after hardeningBlack matte finish with gage information steel stamped on one side and white marked on reverse for quick, clear reading
    $107.57
  • Starrett® - 198 Series™ 0.234 to 0.413" SAE Hardened Steel Standard Letter Size Drill Gauge with SLC
    Starrett®198 Series™ 0.234 to 0.413" SAE Hardened Steel Standard Letter Size Drill Gauge with SLC (198)
    0
    # mpn4692397187
    198 Series™ 0.234 to 0.413" SAE Hardened Steel Standard Letter Size Drill Gauge with SLC by Starrett®. 198 Standard Letter Size Drill Gage provides quick, convenient checking of letter size drills. Twenty-six holes are provided,...
    Approximate 5/64" thick by 2-5/16" wide and 6-1/4" longHardened with a satin finish
    $123.15
  • Starrett® - 270 Series™ 0.01 to 0.15" SAE and Metric Steel Taper Gauge
    Starrett®270 Series™ 0.01 to 0.15" SAE and Metric Steel Taper Gauge (270)
    0
    # mpn4692397459
    270 Series™ 0.01 to 0.15" SAE and Metric Steel Taper Gauge by Starrett®. Taper Gage measures hole and slot sizes. It is quick to use, very accurate, and is a convenient size. If you’re looking for a reliable solution to get your job...
    Very useful tool for bearing work and for gaging slotsMade of quality tool steel and accurately tapered throughout entire length for quick and convenient measuring
    $174.99
  • Starrett® - 287 Series™ 0 to 36 AWG 0.3065" to 0.009" SAE Steel American Standard Wire Gauge
    Starrett®287 Series™ 0 to 36 AWG 0.3065" to 0.009" SAE Steel American Standard Wire Gauge (287)
    0
    # mpn4692397460
    287 Series™ 0 to 36 AWG 0.3065" to 0.009" SAE Steel American Standard Wire Gauge by Starrett®. Gage is designed for gaging steel wire and drill rod to the American Steel & Wire Company. If you’re looking for a reliable solution to...
    Standards and checks sizes from 0 to 36 also known as United States Steel Wire Gage.3065 to .009"
    $120.93
  • Starrett® - 4000 Series™ 0.011 to 0.06" SAE Hardened Steel Precision Pin Gauge Set
    Starrett®4000 Series™ 0.011 to 0.06" SAE Hardened Steel Precision Pin Gauge Set (S4001-060)
    0
    # mpn4823662015
    4000 Series™ 0.011 to 0.06" SAE Hardened Steel Precision Pin Gauge Set (S4001-060) by Starrett®. The Starrett S4000 Precision Steel Pin Gage Set is used to determine small hole sizes, for gaging slots, and finding hole distances....
    Color coded, fully adjustable Go/No-Go gage handle furnished with each setSets are supplied in rugged, high impact protective cases with each space marked for the appropriate gage
    $137.32
  • Starrett® - 4000 Series™ 0.011 to 0.06" SAE Hardened Steel Precision Pin Gauge Set
    Starrett®4000 Series™ 0.011 to 0.06" SAE Hardened Steel Precision Pin Gauge Set (S4000-060)
    0
    # mpn4692397278
    4000 Series™ 0.011 to 0.06" SAE Hardened Steel Precision Pin Gauge Set (S4000-060) by Starrett®. The Starrett S4000 Precision Steel Pin Gage Set is used to determine small hole sizes, for gaging slots, and finding hole distances....
    Color coded, fully adjustable Go/No-Go gage handle furnished with each setSets are supplied in rugged, high impact protective cases with each space marked for the appropriate gage
    $137.32
  • Starrett® - 4000 Series™ 0.061 to 0.25" SAE Hardened Steel Precision Pin Gauge Set
    Starrett®4000 Series™ 0.061 to 0.25" SAE Hardened Steel Precision Pin Gauge Set (S4003-250)
    0
    # mpn4692397279
    4000 Series™ 0.061 to 0.25" SAE Hardened Steel Precision Pin Gauge Set (S4003-250) by Starrett®. The Starrett S4000 Precision Steel Pin Gage Set is used to determine small hole sizes, for gaging slots, and finding hole distances....
    Color coded, fully adjustable Go/No-Go gage handle furnished with each setSets are supplied in rugged, high impact protective cases with each space marked for the appropriate gage
    $294.97
  • Starrett® - 4000 Series™ 0.251 to 0.5" SAE Hardened Steel Precision Pin Gauge Set
    Starrett®4000 Series™ 0.251 to 0.5" SAE Hardened Steel Precision Pin Gauge Set (S4004-500)
    0
    # mpn4823660894
    4000 Series™ 0.251 to 0.5" SAE Hardened Steel Precision Pin Gauge Set (S4004-500) by Starrett®. The Starrett S4000 Precision Steel Pin Gage Set is used to determine small hole sizes, for gaging slots, and finding hole distances. Sizes...
    Color coded, fully adjustable Go/No-Go gage handle furnished with each setSets are supplied in rugged, high impact protective cases with each space marked for the appropriate gage
    $433.77
  • Starrett® - 829 Series™ 0.2 to 0.3" SAE and Metric Small Hole Gauge
    Starrett®829 Series™ 0.2 to 0.3" SAE and Metric Small Hole Gauge (829B)
    0
    # mpn4692397514
    829 Series™ 0.2 to 0.3" SAE and Metric Small Hole Gauge (829B) by Starrett®. The Starrett 829 Small Hole Gage is a full-ball gage that is used for general work. .200-.300" (5.1-7.6mm) Range, 3" (80mm) Length. If you’re looking for a...
    Ideal for accurately measuring small holes, slots, grooves, and recessesPrecision Ground Radius on each gage provides two-point contact for maximum accuracy
    $66.99
  • Starrett® - 829 Series™ 0.3 to 0.4" SAE and Metric Small Hole Gauge
    Starrett®829 Series™ 0.3 to 0.4" SAE and Metric Small Hole Gauge (829C)
    0
    # mpn4692397515
    829 Series™ 0.3 to 0.4" SAE and Metric Small Hole Gauge (829C) by Starrett®. The Starrett 829 Small Hole Gage is a full-ball gage that is used for general work. .300-.400" (7.6-10.2mm) Range, 3 3/8" (85mm) Length. If you’re looking...
    Ideal for accurately measuring small holes, slots, grooves, and recessesPrecision Ground Radius on each gage provides two-point contact for maximum accuracy
    $70.45
  • Central Tools® - SAE Small Hole Gauge
    Central Tools®SAE Small Hole Gauge
    0
    # 2969202652
    SAE Small Hole Gauge by Central Tools®. If you’re looking for a reliable solution to get your job done with the ultimate accuracy, this top-notch measuring tool is right up to your alley. It is designed to help you maintain precision...
    Designed to help you get your job done rightProvides the ultimate in functionality
    $23.43 - $62.82
  • Starrett® - 831 Series™ SAE and Metric Small Hole Gauge
    Starrett®831 Series™ SAE and Metric Small Hole Gauge
    0
    # 2969204534
    831 Series™ SAE and Metric Small Hole Gauge by Starrett®. If you’re looking for a reliable solution to get your job done with the ultimate accuracy, this top-notch measuring tool is right up to your alley. It is designed to help you...
    Ideal for accurately measuring small holes, slots, grooves, and recessesPrecision Ground Radius on each gage provides two-point contact for maximum accuracy
    $62.37 - $69.30
  • Central Tools® - 0.125 to 0.5" SAE Small Hole Gauge Set
    Central Tools®0.125 to 0.5" SAE Small Hole Gauge Set (6552)
    0
    # mpn4699235357
    0.125 to 0.5" SAE Small Hole Gauge Set (6552) by Central Tools®. If you’re looking for a reliable solution to get your job done with the ultimate accuracy, this top-notch measuring tool is right up to your alley. It is designed to...
    Use to measure valve guides and other small holesKnurled handles for better grip
    $62.82
  • Century Drill & Tool® - 1/16 to 1/2" SAE Steel Fractional Drill Gauge
    Century Drill & Tool®1/16 to 1/2" SAE Steel Fractional Drill Gauge (64120)
    0
    # mpn1142098776
    1/16 to 1/2" SAE Steel Fractional Drill Gauge by Century Drill & Tool®. If you’re looking for a reliable solution to get your job done with the ultimate accuracy, this top-notch measuring tool is right up to your alley. It is designed...
    Designed to help you get your job done rightProvides the ultimate in functionality
    $5.16
  • General Tools® - 0 to 36 AWG SAE Sheet Metal Wire Gauge
    General Tools®0 to 36 AWG SAE Sheet Metal Wire Gauge (21)
    0
    # mpn4653583793
    0 to 36 AWG SAE Sheet Metal Wire Gauge by General Tools®. The #21 Sheet Metal Gage is ideal for gaging uncoated sheet metal, plate iron and steel. If you’re looking for a reliable solution to get your job done with the ultimate...
    Made of satin finished, heavy gage hardened and tempered steelDecimal equivalents of sizes are stamped on back
    $21.60
  • General Tools® - 0 to 36 AWG SAE Wire Gauge
    General Tools®0 to 36 AWG SAE Wire Gauge (20)
    0
    # mpn4947670461
    0 to 36 AWG SAE Wire Gauge by General Tools®. The #20 Wire Gage is ideal for gaging non-ferrous wire and metals such as copper, brass and aluminum. If you’re looking for a reliable solution to get your job done with the ultimate...
    Made of satin finished, heavy gage hardened and tempered steelDecimal equivalents of sizes are stamped on back
    $19.51
  • General Tools® - 1/16 to 1/2" SAE Stainless Steel Fractional Drill Gauge
    General Tools®1/16 to 1/2" SAE Stainless Steel Fractional Drill Gauge (14)
    0
    # mpn4653583542
    1/16 to 1/2" SAE Stainless Steel Fractional Drill Gauge by General Tools®. Fractional Size Bits can quickly identify the size of a drill bit. If you’re looking for a reliable solution to get your job done with the ultimate accuracy,...
    Made of heat-treated heavy gage steel, machined and ground to close tolerancesHole sizes and decimal equivalents are permanently marked on face
    $14.44
  • General Tools® - Hobby™ 1/16 to 1/2" SAE Stainless Steel Fractional Drill Gauge
    General Tools®Hobby™ 1/16 to 1/2" SAE Stainless Steel Fractional Drill Gauge (24)
    0
    # mpn4653583798
    Hobby™ 1/16 to 1/2" SAE Stainless Steel Fractional Drill Gauge by General Tools®. 24 Hobby Drill Gage offers a quick and accurate way to check drill and rod sizes. This fractional drill gauge is a useful guide for identifying drill...
    IDENTIFIES DRILL BITS SIZES- Helpful when working with older, unmarked drill bits and bits too small to fit diameter markings29 MEASURING HOLES- Identified drill bits from 1/16 Inch to 1/2 Inch in 1/64th increments
    $9.16
  • General Tools® - SAE Tap and Drill Reference Table
    General Tools®SAE Tap and Drill Reference Table (715)
    0
    # mpn4653583824
    SAE Tap and Drill Reference Table by General Tools®. Tap and Drill Reference Table is a must have for any toolmaker, machinist or mechanic. The double-sided guide features a Tap Drill Depth Chart, decimal conversions from 1/64" to...
    Double-sided guide features a Tap Drill Depth Chart, decimal conversions from 1/64" to 63/64" and a ruler graduated in 64thsFront side has a machine screw size tap drill chart for recommended 75% depth thread
    $8.68
  • General Tools® - Twist Drill Gauge
    General Tools®Twist Drill Gauge (15)
    0
    # mpn4947670445
    Twist Drill Gauge by General Tools®. The #15 Drill Gage for Nos. 1 to 60 Bits can quickly indentify the size of a drll bit. If you’re looking for a reliable solution to get your job done with the ultimate accuracy, this top-notch...
    Made of heat-treated heavy gage steel, machined and ground to close tolerancesHole sizes and decimal equivalents are permanently marked on face
    $10.49
  • Irwin® - Hanson™ Drill Bit Gauge
    Irwin®Hanson™ Drill Bit Gauge (12092)
    0
    # mpn4526383448
    Hanson™ Drill Bit Gauge by Irwin®. Steel drill gauge for checking fractional bit diameters. If you’re looking for a reliable solution to get your job done with the ultimate accuracy, this top-notch measuring tool is right up to your...
    Steel drill gauge for checking fractional bit diametersDesigned to help you get your job done right
    $7.69
  • Irwin® - Hanson™ SAE and Metric Drill Bit Gauge with Thread Gauges
    Irwin®Hanson™ SAE and Metric Drill Bit Gauge with Thread Gauges (12087)
    0
    # mpn4526383447
    Hanson™ SAE and Metric Drill Bit Gauge with Thread Gauges by Irwin®. If you’re looking for a reliable solution to get your job done with the ultimate accuracy, this top-notch measuring tool is right up to your alley. It is designed...
    Shows 21 outside diameters (OD) in millimeters and decimals from 2.3mm (.0906) to 24mm (.9449)Measures thread pitch in millimeters from 0.35 to 3.00
    $12.99
  • Pit Posse® - Nut and Bolt Gauge
    Pit Posse®Nut and Bolt Gauge (PP2467RED)
    0
    # mpn4806078844
    Nut and Bolt Gauge by Pit Posse®. If you’re looking for a reliable solution to get your job done with the ultimate accuracy, this top-notch measuring tool is right up to your alley. It is designed to help you maintain precision...
    This handy tool takes the guess work out of metric bolts, SAE bolts, and allen bolt heads and nutsGives you the size, length, and thread pitch
    $9.22
  • Pit Posse® - SAE and Metric Nut and Bolt Gauge
    Pit Posse®SAE and Metric Nut and Bolt Gauge (PP2467)
    0
    # mpn4483465938
    SAE and Metric Nut and Bolt Gauge by Pit Posse®. This handy tool takes the guess work out of metric bolts, SAE bolts, and allen bolt heads and nuts. Gives you the size, length, and thread pitch. If you’re looking for a reliable...
    This handy tool takes the guess work out of metric bolts, SAE bolts, and allen bolt heads and nutsGives you the size, length, and thread pitch
    $8.86




Whether you are a DIYer, hobbyist, or professional worker, many jobs require precision. While some measurements can be easily taken through tools that are common in every household or workshop, others require specific precision instruments such as hole, drill, and wire gauges. Hole gauges refer to a collective category that includes several types of tools for measuring the bore of a hole. Drill gauges are handy tools to identify the drill bit and rod sizes quickly and accurately. Wire gauges, finally, are used to measure the cross-sectional areas of a wire, in order to determine the amount of electric current that a wire can carry safely and without getting damaged.

Small hole gauges are a sort of inside calipers; they are introduced into the hole, adjusted to fit it, and eventually measured with a caliper. Drill gauges are steel plates acid-engraved with the hole sizes and decimal equivalents. Wire gauges are circular steel plates carrying up to 36 gauge sizes growing incrementally. Most of these tools follow the SAE standards to ensure consistent measurement. In our online store, there is a large choice of quality hole, drill, and wire gauges for many applications.

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