[PDF] drill size chart

  • What are standard drill sizes?

    1/4 in0.256.3517/64 in0.26566.74699/32 in0.28137.143819/64 in0.29697.5406

  • What is the order of drill bit sizes?

    For Morse taper-shank drill bits, the standard continues in 1/64 inch increments up to 1¾ inch, then 1/32 inch increments up to 2¼ inch, 1/16 inch increments up to 3 inches, 1/8 inch increments up to 3¼ inches, and a single 1/4 inch increment to 3½ inches.

  • How is drill size calculated?

    As a rule of thumb, for Metric threads, the tapping drill can be calculated by subtracting the pitch from the diameter of the thread. eg for an M5x0. 75 thread the tapping drill is 5-0.75mm = 4.25mm.
    For Imperial (inch) threads the tapping drill size is calculated in the same way, diameter minus pitch.

  • How is drill size calculated?

    Your 6.0 bit is evidently a 6 millimeter bit.
    A #6 drill is not 6mm.
    It is 5.18mm or 0.204 inches.

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inch/metric tap drill sizes & decimal equivalents

INCH/METRIC TAP DRILL SIZES & DECIMAL EQUIVALENTS. DRILL SIZE. DECIMAL. EQUIVALENT. TAP SIZE. 80 .0135 .0145. 79. 78 .0156 .0160. 77 .0180. 76 .0200 .0210 .0225.



DRILL SIZE DECIMAL EQUIVALENT & TAP DRILL CHART

DRILL SIZE DECIMAL EQUIVALENT & TAP DRILL CHART. DECIMAL EQUIVALENT CHART. DRILL. DECIMAL. SIZE. MM. EQUIVALENT. –. 0.10 .0039. –. 0.20 .0079. –. 0.25 .0098. –.



Metric Tap and Clearance Drill Sizes

Screw Size. (mm). Thread. Pitch (mm). Drill Size. (mm). Closest. American. Drill. Drill Size. (mm). Closest. American. Drill. Drill Size. (mm). Closest.



Drill Bit Conversion Chart Numbers & Letters Wire Gauge Drill Size

Wire Gauge Drill Size Comparison Chart gauge inches mm gauge inches mm gauge Metric Drill Size Conversion Chart. Equivalent. Drill Size. Hole. Diameter.



Sutton Tools Tapping Drill Size Chart

Threading Tapping Drill Size Chart. Page 2. www.suttontools.com. Rc (BSPT)*. ISO Rc TAPER SERIES 1:16 (55º). Tap Size. TPI. Drill. Only*. Drill &. Reamer. Rc 1/ 



VEXpro-DrillTapChart-2018.pdf

DRILL & TAP SIZE CHART. BOLT. CLOSE FIT. Nearest. Type. #6. Diameter. Close. Fit. Drill. Size. Fractional. Drill Size. Free. Drill. Fit. Size. FREE FIT. Nearest.



Pre-Ream Drill Size Chart

HANNIBAL PRE-REAM DRILL SIZE CHART. REAMER DIAMETER. FRACTION - DECIMAL. (NOMINAL). HOLE SIZE. TO LEAVE. 2%. DRILL SIZE. TO LEAVE. 2%. HOLE SIZE. TO LEAVE. 3%.



Tap & Drill Chart

Drill Size Dec. Eq. Drill Size Dec. Eq. Drill Size Dec. Eq. Drill Size Dec. Eq. 0. 0.060. 80. 0.045. 3/64. 0.047. 55. 0.052. 52. 0.064. 50. 0.070. 64. 0.054.



Drill Size Conversion Chart

MM. 2.261. 2.375. 2.380. 2.438. 2.489. 2.527. 2.578. 2.642. 2.705. 2.778. 2.794. 2.819. 2.870. 2.946. 3.048. 3.175. 3.264. 3.454. 3.569. 3.572. 3.658. 3.734.



Predrill Ø Chart Thread Mill

Drill Size. (inch). #0. -. -. 80. 3/64. #1. 64. 0.059 (#53) 72. 0.059 (#53). #2. 56. 0.067 (#51) 64. 0.070 (#50). #3. 48. 5/64. 56. 0.081 (#46).



DRILL SIZE DECIMAL EQUIVALENT & TAP DRILL CHART

DRILL SIZE DECIMAL EQUIVALENT & TAP DRILL CHART. DECIMAL EQUIVALENT CHART. DRILL. DECIMAL. SIZE. MM. EQUIVALENT. –. 0.10 .0039. –. 0.20 .0079. –. 0.25 .0098.



Precision Quality and Innovation Since 1880 INCH/METRIC TAP ...

INCH/METRIC TAP DRILL SIZES & DECIMAL EQUIVALENTS. DRILL SIZE. DECIMAL. EQUIVALENT TAP SIZE. DRILL SIZE. DECIMAL. EQUIVALENT. TAP SIZE. 80 .0135.



Metric Tap and Clearance Drill Sizes

Tap Drill. Clearance Drill. 75% Thread for. Aluminum Brass



Drill Size Chart

Diameter. (mm). 1. 0.228. 5.7912. 41. 0.096. 2.4384. A. 0.234. 5.9436. 2. 0.221. 5.6134. 42. 0.0935. 2.3749. B. 0.238. 6.0452. 3. 0.213. 5.4102. 43. 0.089.



DRILL SIZE CHART: Wire Gauge Fractional

https://www.fastenermart.com/files/drill-size-chart.pdf



DECIMAL

Drill Size. Decimal. eQUiValeNT. Tap Size 1.5000 pipe ThreaD SizeS (NpSc). ThreaD. Drill. ThreaD. Drill. 1/8 – 27. 11/32 11/2 – 111/2.



Drill Bit Conversion Chart Numbers & Letters Wire Gauge Drill Size

Metric Drill Size Conversion Chart. Equivalent. Drill Size. Hole. Diameter. Equivalent. Drill Size. Hole. Diameter. Equivalent. Drill Size.



Orifice Drill Size Chart

Orifice Drill Size Chart. Decimal. (inches). Fraction. (inches). Number mm. Decimal. (inches). Fraction. (inches). Number &.



OSG - Chart - Tap Drill Size and Pitch Diameter Limit - Vol 2.indd

Suggested Percentage of Full Thread in Tapped Holes. Tap Size. Threads Per Inch. Minor DIameter. Tap Drill Diameter - Cut Taps. UNC. UNF 8-Pitch.



Pre-Ream Drill Size Chart

REAMER GUIDE. BASIC TECHNICAL INFORMATION FOR REAMERS. HANNIBAL PRE-REAM DRILL SIZE CHART. REAMER DIAMETER. FRACTION - DECIMAL. (NOMINAL). HOLE SIZE.

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