| Tap Size | Drill Size |
|---|---|
| 4 x .7 | 3.3 |
| 4.5 x .75 | 3.7 |
| 5 x .8 | 4.2 |
| 6 x 1 | 5 |
What is the formula for tap drill size?
Tap-drill diameter equals nominal diameter minus thread pitch. For example, drill size for a 3/8-16 thread is 0.375 0.0625 (pitch) = 0.312 in. in diameter, and for a 10-32 thread, the drill diameter is 0.190 0.032 = 0.159 in. (a #21 drill).
How do you read a tap drill chart?
0:164:11Tap Drill Chart - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe first column lists the standard drill sizes as a number fraction. Or letter drill. Size. TheMoreThe first column lists the standard drill sizes as a number fraction. Or letter drill. Size. The second column shows the inch decimal equivalent drill diameter.
What are the tap and drill chart table in metric and English?
Metric Tap and Drill Bit Size TableTapMetric DrillUS Drill5mm x 0.84.3mm-6mm x 1.05.2mm-7mm x 1.06.1mm15/64"8mm x 1.256.9mm17/64"13 more rows
What is tap drill chart?
Knowing the right tap drill size to use for your screws or bolts is nearly impossible to determine without the use of a good tap drill chart. A tap drill chart is an essential reference tool that every machinist should have readily accessible and at hand.
How do you read a metric tap?
0:242:15How to Read a Metric Screw Thread Callout - YouTubeYouTubeStart of suggested clipEnd of suggested clipSection on metric items this number is stamped on the surface of the fastener. And is preceded byMoreSection on metric items this number is stamped on the surface of the fastener. And is preceded by the letter M a bolt with M 3 stamped on its head will have a diameter of 3 millimeters.
What size drill bit is 8.5 mm?
0.3347Standard metric drill bit sizesDrill sizeDiameter (in)8.5 mm0.33478.6 mm0.33868.7 mm0.34258.8 mm0.3465153 more rows
What size is a M5 tap?
Tap sizeBasic major dia (mm)Drill size (mm)M3.5 x 0.63,5mm2,9mmM4 x 0.74mm3,3mmM5 x 0.85mm4,2mmM6 x 16mm5mm24 more rows
What size drill bit is 14mm?
Drill Bit Hole DiametersMetric SizeFractional Size13 mm.511811/3214 mm.551223/6415 mm.59063/877 more rows
Which drill is used for tapping 10mm tap?
Metric Tap and Drill Bit Size TableTapMetric DrillUS Drill10mm x 1.58.7mm-10mm x 1.258.9mm11/32"10mm x 1.09.1mm-12mm x 1.7510.5mm-13 more rows
What are standard drill sizes?
Downloadable versions:Drill sizeDiameter (in)Diameter (mm)1/64 in0.01560.39690.4 mm0.01580.4000#780.01600.4064#770.01800.4572147 more rows
How do you read a drill index?
Typical drill bits have markings somewhere on the shank above the threads. It's small, but it usually has the drill-bit diameter stamped into the metal; the number is written in fractions. For example, the markings may read: 1/4-inch, 3/6-inch or 25/32.
What size are tap threads?
3/4" BSPGarden tap thread size UK is 3/4" BSP The most standard tap thread for domestic garden taps in the UK is 3/4" BSP (British Standard Pipe). This measures 26.44mm across the outside diameter - roughly 1" The picture shows the measurement for a standard 3/4" tap thread.