Metric Tap Chart
| Aluminum, Brass, Plastics | Steel, Stainless Steel, Iron | Close Fit | Standard Fit | Standard Fit |
| 75% Thread | 50% Thread | 50% Thread | 50% Thread | 50% Thread |
| Screw Size | Major Dia (mm) | mm per Thread | Drill Size | Closest Imperial |
| M1.5 x 0.35 | 1.5 | 0.35 | 1.15 | #56 |
| M1.6 x 0.35 | 1.6 | 0.35 | 1.25 | #55 |
Full Answer
What is standard tap size?
List of drill and tap sizes
- Rules of thumb. A good tap drill is 85% (± 2 pp) of major diameter for coarse threads, and 90% (± 2 pp) of major diameter for fine threads.
- Examples. ...
- Chart. ...
- See also
- References. ...
- External links
What size drill bit for m8x1.25 tap?
To figure out the tap size for any metric tap, all you do is subtract the pitch from the size of the tap and that is your drill size. So for, M8x1.25 1.25mm - 8mm = 6.75mm So, 6.75mm is the drill size. To convert that to inches, 6.75/25.4= .265 .265 is 17/64ths Confused yet? :smile:
What is the drill size for M5 tap?
Tap Size Tap Size Drill Size M4 x 0.75 3.4mm M5 x 0.8 4.2mm M5 x 0.9 4.2mm M6 x 1 5mm 34 more rows What drill bit is 5mm? Standard metric drill bit sizes Drill size Diameter (in) 4.9 mm 0.1929 5 mm 0.1969 5.1 mm 0.2008 5.2 mm 0.2047 153 more rows
How to measure with a size chart?
MEASURE in centimetres or inches. 4. FIND your size on the hat size chart. 1. USE a soft tape measure. 2. PLACE it around your head, positioned mid-forehead and just above the ears. 3. MEASURE in centimetres or inches.
What are metric tap sizes?
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
How do you read a metric tap size?
Fractional sizes are listed in inches, while metric sizes are listed in millimeters following the letter "M". A screw size number corresponds to a diameter which is larger for a higher screw size. The thread spacing, which may be coarse or fine, is listed after the diameter.
What size is a M5 tap?
As I understand it the correct drill size for a M5 tapped thread is 4.2mm (hole size - pitch: 5.0mm - 0.8mm).
What size is M6 tap?
Tap SizeTap SizeDrill SizeM5 x 0.84.2mmM5 x 0.94.2mmM6 x 15mmM6.3 x 15.5mm34 more rows
Does M10 mean 10mm?
Those are metric screw dimensions. M10 means a 10 millimeter outer diameter for the bolt or whatever piece it is; M12 means 12 millimeters. The part after the 'x' is the pitch -- how many mm a thread is wide.
What size is M12?
M12 bolts are a metric sized bolt with a 12mm thread diameter. They have many applications but are often used to fasten metal to wood or to join different types of timber together.
Is M6 the same as 6mm?
M6 refers to a metric 6 mm screw. The outside diameter of the threads is 6 mm. The standard metric rack screw is actually an M6 x 0.1 mm. The number 0.1 mm refers to 0.1 threads per millimeter.
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
What diameter is M8?
SizeClearance HoleTapping Drill (fine pitch)M55.54.5mmM66.55.25 mmM897 mmM10119.0 or 8.75 mm5 more rows
How are tap sizes measured UK?
Use a ruler to measure across the thread diameter where the connector would attach. Include all the thread in your measurement. Now you've got your tap thread measurement, you can easily work out which tap connector is compatible for your tap.
What size is M7 in mm?
Dimensions for DIN931 Hex Head BoltDiameter (d)PitchAcross Flats (s)M40.7mm7mmM50.8mm8mmM61.0mm10mmM71.0mm11mm17 more rows
What does M10x1 5 mean?
Understanding Inch & Metric Thread Callouts For example, an M10x1. 5 (coarse) thread has a 1.5mm pitch, while an M10x1. 25 (fine) thread has a 1.25mm pitch. To simplify metric thread callouts, the international (ISO) standard for metric threads eliminates the pitch callout on coarse threads.
What is a Tap Tool?
During the process of machining or manufacturing, holes with female screws are often needed. A commonly used way to fabricate this type of threaded hole is using a drill bit to create a hole with appropriate size and then tap it with a tap. The tap tool allows you to tap holes right in the punch press with unparalleled speed and accuracy.
Tap Sizes Explained
To determine what sizes of tap drill to use for your screw, a standard tap size chart is required.
Tap Size Chart & Table – Tap Sizes & Dimensions Chart
The tap size table lists standard size taps, specifying the diameter and thread spacing, for fractional, metric, and screw sizes.
What is the thread size of a tap?
Higher numbers of flutes increase the strength of the tap and reduce space or chip flow. Thread size is the number of Threads Per Inch (TPI) which is measured along the length of the tap .
What is a tap in a drill?
A tap removes material from a pre-drilled or punched hole. The result of this cutting action produces threads within the drilled hole. These threads are used in conjunction with screws or bolts to hold two pieces of material together. The cutting edges at the front of a tap remove material from the workpiece.
Why do you need a pipe tap?
Pipe taps are used to cut internal threads in parts or fittings that will be mated with threaded pipe or fittings to make a pressure tight joint. Pipe threads require higher cutting forces than regular machine thread tapping because the threads require 100% thread depth. All threads on tapered pipe taps are cutting.
What is an Acme tap?
Acme taps produce a trapezoid-shaped thread used for rotary and transversing motions on machines. TThey are constructed with a 29° thread angle and are used to manufacture valves, jacks and other mechanisms that move heavy loads.
What is spiral point tap?
Spiral point taps are used for tapping through holes. They have a flute geometry that shoots chips ahead of the cutting action to reduce loading and clogging within the flute. Thread Forming taps Thread forming taps do not cut threads; rather, they form threads by displacing material.
What is an extension tap?
Extension taps are used for deep hole drilling and where a longer reach is required. They are designed with standard threads and an extended shank. Nut taps are used for the internal threading of nuts in small holes. They are designed with long threads and shanks for reaching into hard-to-reach holes.
What is a pulley tap?
Pulley taps are used for tapping hard-to-reach areas, pulley and set screw holes. They are similar to hand taps and have the same basic thread dimensions, but have longer shanks. They are also used for general purpose applications where an extra-long reach is required.