METRIC COARSE THREAD SIZES in mm
| Tap Size | Drill size |
| M2 x 0.4 | 1.6 |
| M2.5 x 0.45 | 2.05 |
| M3 x 0.5 | 2.5 |
| M3.5 x 0.6 | 2.9 |
| Tap size | Basic major dia (mm) | Drill size (mm) |
|---|---|---|
| M10 x 1.25 | 10mm | 8,8mm |
| M12 x 1.75 | 12mm | 10,2mm |
| M12 x 1.25 | 12mm | 10,8mm |
| M14 x 2 | 14mm | 12mm |
What size drill do you use for tap?
Looking at the "Tap Drill Chart" section at the bottom, they recommend an "F" drill for a 5/16"-18 fastener. Then, looking up above at the "Decimal Equivalent Chart" section, an "F" drill measures 0.257", about halfway between 1/4" and 17/64". Keeping this in view, how do you determine tap drill size?
What size is M12?
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What is hole size for M12 bolt?
Whenever the pitch dimension is omitted from a metric bolt specification then the bolt is always coarse threaded. This example (M12-50) has a diameter of 12mm and a length of 50mm. As noted, the specification of metric bolts includes the definition of thread pitch, but if this is omitted then a coarse pitch is assumed.
What size is M12 bolt?
Size Nominal Thread Diameter; Decimal Nearest Fractional #10: 0.190″ 3/16″ #12: 0.216″ 7/32″ * Nominal thread diameter is measured on the outside of the threads per ASME B18.6.3 For more information about how to measure diameter see our Measuring Fastener Diameter page.
What size drill bit is 12mm?
Metric Tap and Drill Bit Size TableTapMetric DrillUS Drill10mm x 1.258.9mm11/32"10mm x 1.09.1mm-12mm x 1.7510.5mm-12mm x 1.510.7mm27/64"13 more rows
What is tapped drill size?
Rules of Thumb A good tap drill is 90% (± 2 pp) of major diameter for fine threads. For metric V threads, the concept of major minus pitch (i.e., the major or widest diameter of the intended screw in millimeters minus the pitch of the threads of that screw in millimeters per thread) yields a good tap drill diameter.
What is the drill size for m10 tap?
What size hole to drill for m10 tap? For m10 tap, drill size 8.50mm.
What is the correct drill size for M16 tap?
A M16 x 1.5 mm tap need a 14.5 mm diameter drill hole for tapping.
What size hole to drill for M12 tap?
Tap SizeTap SizeDrill SizeM11 x 1.509.7mmM12 x 1.2510.9mmM12 x 1.510.7mmM12 x 1.7513/3234 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 size hole do I need for an M12 bolt?
M12 needs a 13mm bit, the bolt should push through and be snug, only use cup head bolts and hit them with a hammer to lock the square bit of the bolt into the timber.
What size drill bit do I need for a M12 Rawl bolt?
20 mmAnswersSpecificationBolt SizeM12BrandRawlplugDrill Size20 mmManufacturer Guarantee1 Year Guarantee5 more rows
What size is M12 in inches?
Tap sizeBasic major dia (mm)Basic major dia (inch)M10 x 1.2510mm.3937M12 x 1.7512mm.4724M12 x 1.2512mm.4724M14 x 214mm.551224 more rows
What mm is M6?
Metric clearance and tapping drill hole sizes.SizeClearance Hole mmTapping Drill (fine pitch)M55.5M66.55.25 mmM897 mmM10119.0 or 8.75 mm5 more rows•Jun 19, 2020