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Drill Size Chart. by Christopher James DeLucchi. Legend: Fractional Inch: Letter Drill: Millimeters: Number Drill: Millimeters: Inches: Designation: Tap Drill/Pilot.3429mm.0135" #80 .3683mm.0145" #79 .3969mm.015625" 1/64" #0 Pilot, Soft-Wood ... #0 Wood Shank Hole #3 Pilot, Hard-Wood #4 Pilot, Hard-wood #5 Pilot, Soft-wood #6 Pilot, Soft-wood ...
Number Drill Sizes. This chart shows the diameters of number gauge drills size 80 (the smallest) to size 1 (the largest).
9 wrz 2018 · The drill size chart below contains imperial and metric drill bit diameter measurements for all number and letter gauges.
7 lut 2024 · Using a drill bit size chart: Drill bit size charts provide a comprehensive reference for matching drill bit sizes to hole diameters. These charts are available online or in hardware stores. Using a drill bit gauge: A drill bit gauge is a simple tool that allows you to measure the size of your drill bits quickly and accurately. It typically ...
They are commonly used to drill lathe centres and spotting drills, i.e.marking holes to guide twist drilling. The drill size chart below contains all commonly used centre drill bit sizes.
The drill size chart provides a list of standard size drill bits in several measurement systems, including fractional, metric, wire gauge number, and letter. The decimal equivalents of the diameters are shown in both English and Metric units.
0.9844. 25.004. 1.0000. 25.400. Amazingly, we keep nearly all of the above sizes in stock as HSS Jobber Drills Even more amazingly, we haven't included all of the standard sizes available,