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Quick Hits
- The standard tripod screw size for cameras and accessories is commonly known as the 1/4"-20 thread. This means that the screw has a diameter of 1/4 inch and a pitch of 20 threads per inch.
- In typography the measurement of one 'point' is 1/72" or 0.352778mm - a pica is 12 points or 1/6" or 4.233336mm
- The Speed of light is a constant at 299792458 m/s
Standards
SI Standards
Wikipedia article
The seven SI base units
Symbol - Name - Quantity
- s - second - time
- m - metre - length
- kg - kilogram - mass
- A - ampere - electric current
- K - kelvin - thermodynamic temperature
- mol - mole - amount of substance
- cd - candela - luminous intensity
Metric Prefixes for SI Units
- P (PETA_) = x 1,000,000,000,000,000 (or 10-15)
- T (TERA_) = x 1,000,000,000,000 (or 10-12)
- G (GIGA-) = x 1,000,000,000 (or 10-9)
- M (MEG-) = x 1,000,000 (or 106
- K (KILO-) = × 1,000 (or 103
- h (HECTO-) = x 100 (or 102)
- d (DECI-) = x 1.0 (or 10-1)
- c (CENTI-) = x 0.01 (or 10-2)
- m (MILLI-) = x 0.001 (or /1000 or 10-3)
- µ (MICRO-) = x 0.000 001 (or /1000000 or 10-6) (also mc)
- n (NANO-) = x 0.000 000 001 (or /1000000000 or 10-9)
- p (PICO-) = x 0.000 000 000 001 (or /10000000000 or 10-12)
- f (FEMTO-) = x 0.000 000 000 000 001 (or /10000000000000 or 10-15)
The Imperial System
Please refer to the Wikipedia page on the Imperial units or the conversion chart and information below:
Conversions
Length (Distance)
- Inches(in) x 25.4 = Millimeters x 0.0394 = Inches (in)
- Feet (ft) x 0.305 = Meters (m) x 3.281 = Feet
- Miles x 1.609 = Kilometers (km) x 0.621 = Miles
| Base quantity
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
10
|
50
|
100
|
| Miles in x km *
|
0.621371
|
1.242742
|
1.864113
|
2.485484
|
3.106855
|
3.728226
|
4.349597
|
6.21371
|
31.06855
|
62.1371
|
| km in x Miles *
|
1.60934
|
3.21868
|
4.82802
|
6.43736
|
8.0467
|
9.65604
|
11.26538
|
16.0934
|
80.467
|
160.934
|
| Yards in x Meters *
|
0.9144
|
1.8288
|
2.7432
|
3.6576
|
4.572
|
5.4864
|
6.4008
|
9.144
|
45.72
|
91.44
|
| Meters in x Yards *
|
1.09361
|
2.18722
|
3.28083
|
4.37444
|
5.46805
|
6.56166
|
7.65527
|
10.9361
|
54.6805
|
109.361
|
| Feet in x Meters *
|
3.28084
|
6.56168
|
9.84252
|
13.12336
|
16.4042
|
19.68504
|
22.96588
|
32.8084
|
164.042
|
328.084
|
| Meters to Feet *
|
0.3048
|
0.6096
|
0.9144
|
1.2192
|
1.524
|
1.8288
|
2.1336
|
3.048
|
15.24
|
30.48
|
| mm in x Inches *
|
25.400
|
50.800
|
76.200
|
101.60
|
127
|
152.4
|
177.8
|
254
|
1270
|
2540
|
| Inches in x mm *
|
0.0393701
|
0.0787402
|
0.1181103
|
0.1574804
|
0.1968505
|
0.2362206
|
0.2755907
|
0.393701
|
1.968505
|
3.93701
|
Volume (Capacity)
- Cubic Inches (CU in) x 16.387 = Cubic Centemeters (cc) x 0.061 = Cubic Inches (CU in)
- Imperial Pints (imp Pt) x 0.568 = Litres (l) x 1.76 = Imperial Pints (imp Pt)
- Imperial Quarts (Imp qt) x 1.137 = Litres (l) x 0.88 = Imperial Quarts (Imp qt)
- Imperial Quarts (Imp qt) x 1.201 = US Quarts (US qt) x 0.833 = Imperial Quarts (Imp qt)
- US Quarts (Imp qt) x 0.946 = Litres (l) x 1.057 = US Quarts (Imp qt)
- Imperial Gallons (Imp gal) x 4.546 = Litres (l) x .22 = Imperial Gallons (Imp gal)
- Imperial Gallons (Imp gal) x 1.201 = US Gallons (US Gal) x 0.833= Imperial Gallons (Imp gal)
- US Gallons (US Gal) x 3.785 = Litres (l) x 0.264 = US Gallons (US Gal)
Mass (weight)
- Ounces (oz) x 28.35 = Grams (g) x 0.035 = Ounces (oz)
- Pounds (lb) x 0.454 = Kilograms (kg) x 2.205 = Pounds (lb)
Force
- Ounces-force (off; oz) x 0.278 = Newtons (N) x 3.6 = Ounces-force (off; oz)
- Pounds-force (lbs; lb) x 4.448 = Newtons (N) x 0.225 =0.225 = Pounds-force (lbs; lb)
- Newtons (N) x 0.1 = Kilograms-force (kgs; kg) x 9.81 = Newtons (N)
Pressure
- Pounds-force per square inch (psi; Ibf/in:; Ib/in*) x 0.070 = Kilograms-force per square centimetre (kgf/cm'; kg/cm:) x 14.223 = Pounds-force per square inch (psi; Ibf/in:; Ib/in*)
- Pounds-force per square inch (psi; Ibf/in'; Ib/in*) x 0.068 = Atmospheres (atm) x 14.696 = Pounds-force per square inch (psi; Ibf/in'; Ib/in*)
- Pounds-force per square inch (psi; Ibf/in*; Ib/in*) x 0.069 = Bars x 14.5 = Pounds-force per square inch (psi; Ibf/in*; Ib/in*)
- Pounds-force per square inch (psi; Ibf/in*; Ib/in2) x 6.895 = Kilopascals (kPa) x 0.145 = Pounds-force per square inch (psi; Ibf/in*; Ib/in*)
- Kilopascals (kPa) x 0.01 = Kilograms-force per square centimetre (kgf/cm2; kg/cm2) x98.1 = Kilopascals (kPa)
- Millibar (mbar) x 100 = Pascals (Pa) × 0.01 =0.01 = Millibar (mbar)
- Millibar (mbar) x 0.0145 = Pounds-force per square inch (psi; Ibf/in2; Ib/in2) x 68.947 = Millibar (mbar)
- Millibar (mbar) x 0.75 = Millimetres of mercury (mmHg) x 1.333 = Millibar (mbar)
- Millibar (mbar) x 0.401 = Inches of water (inH20) x2.491 = Millibar (mbar)
- Millimetres of mercury (mmHg) x 0.535 = Inches of water (inH20) x 1.868 = Millimetres of mercury (mmHg)
- Inches of water (inH2O) x 0.036 = Pounds-force per square inch (psi; Ibf/in*; Ib/in2) x27.68 = Inches of water (inH2O)
Torque (Moment of force)
- Pounds-force inches (Ibf in; Ib in) x 1.152 = Kilograms-force centimetre (kgf cm; kg cm) x 0.868 = Pounds-force inches (Ibf in; Ib in)
- Pounds-force inches (Ibf in; Ib in) x 0.113 = Newton metres (Nm) x 8.85 = Pounds-force inches (Ibf in; Ib in)
- Pounds-force inches (Ibf in; Ib in) x 0.083 = Pounds-force feet (Ibf ft; Ib ft) x 7.233 = Pounds-force inches (Ibf in; Ib in)
- Pounds-force feet (Ibf ft; Ib ft) x 1.356 = Newton metres (Nm) x 0.738 = Pounds-force feet (Ibf ft; Ib ft)
- Newton metres (Nm) x 0.102 = Kilograms-force metres (kgf m; kg m) x 9.804 = Newton metres (Nm)
Power
- Horsepower (hp) x 745.7 = Watts (W) x 0.0013 = 0.0013 = Horsepower (hp)
Velocity (Speed)
- Miles per hour (miles/hr; mph) x 1.609 = Kilometres per hour (km/hr; kph) x 0.621 = Miles per hour (miles/hr; mph)
Fuel Consumption
- Miles per gallon, Imperial (mpg) × 0.354 = Kilometres per litre (km/l) x 2.825 = Miles per gallon, Imperial (mpg)
- Miles per gallon, US (mpg) × 0.425 = Kilometres per litre (km/l) x 2.352 = Miles per gallon, US (mpg)
It is common practice to convert from miles per gallon (mpg) to litres/100 kilometres (l/100km), where mpg x 1/100 km = 282
Temperature
- Degrees Fahrenheit = (°C × 1.8) + 32 Degrees Celsius (Degrees Centigrade; °C) = (°F - 32) × 0.56
| Centigrade |
-30 |
-29 |
-28 |
-27 |
-26 |
-25 |
-24 |
-23 |
-22 |
-21 |
-20 |
-19 |
-18 |
-17 |
-16 |
-15 |
-14 |
-13 |
-12 |
-11 |
-10 |
-9 |
-8 |
-7 |
-6 |
-5 |
-4 |
-3 |
-2 |
-1 |
0
|
| Fahrenheit |
-22 |
-20.2 |
-18.4 |
-16.6 |
-14.8 |
-13 |
-11.2 |
-9.4 |
-7.6 |
-5.8 |
-4 |
-2.2 |
-0.4 |
1.4 |
3.2 |
5 |
6.8 |
8.6 |
10.4 |
12.2 |
14 |
15.8 |
17.6 |
19.4 |
21.2 |
23 |
24.8 |
26.6 |
28.4 |
30.2 |
32
|
| Centigrade |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
31 |
32 |
33 |
34 |
35 |
36 |
37 |
38
|
| Fahrenheit |
33.8 |
35.6 |
37.4 |
39.2 |
41 |
42.8 |
44.6 |
46.4 |
48.2 |
50 |
51.8 |
53.6 |
55.4 |
57.2 |
59 |
60.8 |
62.6 |
64.4 |
66.2 |
68 |
69.8 |
71.6 |
73.4 |
75.2 |
77 |
78.8 |
80.6 |
82.4 |
84.2 |
86 |
87.8 |
89.6 |
91.4 |
93.2 |
95 |
96.8 |
98.6 |
100.44
|
Electrical
Concepts
- Direct Current (DC) flows in one direction, either steadily or in pulses.
- Alternating Current (AC) flows in alternating directions across a circuit
- Current refers to the quantity of electrons passing a given point.
- Unit - Amperes
- Symbol - I
- Voltage - refers to the electrical pressure or force
- Resistance - refers to a cause of restriction in the flow of a current
- Unit - Ohms
- Symbol - R (or Ω)
- Power - refers to the work performed by a current
- Potential Difference - the difference in voltage between the two ends of a conductor through which a current flows. Also known as voltage drop.
Ohm's Law
a potential difference of 1 volt will force a current of 1 ampere through a resistance of 1 ohm, or: V = I x R or I = V / R or R = V / I
Ohm's law also is used to calculate power where P = I x V (or I^2 x R)
Electrical Resistance of Materials
| Material
|
Electrical conductivity
|
Electrical resistivity
|
|
(10.E6 Siemens/m) |
(10.E-8Ohm.m)
|
| Silver |
62.1 |
1.6
|
| Copper |
58.5 |
1.7
|
| Gold |
44.2 |
2.3
|
| Aluminium |
36.9 |
2.7
|
| Molybdenum |
18.7 |
5.3
|
| Zinc |
16.6 |
6.0
|
| Lithium |
10.8 |
9.3
|
| Brass |
15.9 |
6.3
|
| Nickel |
14.3 |
7.0
|
| Iron |
10.1 |
9.9
|
| Palladium |
9.5 |
10.5
|
| Platinum |
9.3 |
10.8
|
| Tungsten |
8.9 |
11.2
|
| Tin |
8.7 |
11.5
|
| Bronze |
7.4 |
13.5
|
| Carbon steel |
5.9 |
16.9
|
| Lead |
4.7 |
21.3
|
| Titanium |
2.4 |
41.7
|
Voltage drop
| Cable diameter
|
Cable cross-section
|
Max current (A)
|
Max current (A)
|
Max current (A)
|
Max current (A)
|
| (mm) |
(mm2) |
Tot. Len. up to 5m |
Tot. Len. up to 10m |
Tot. Len. up to 15m |
Tot. Len. up to 20m
|
| 0.98 |
0.75 |
2.3 |
1.1 |
0.8 |
0.6
|
| 1.38 |
1.5 |
4.5 |
2.3 |
1.5 |
1.1
|
| 1.78 |
2.5 |
7.5 |
3.8 |
2.5 |
1.9
|
| 2.26 |
4 |
12 |
6 |
4 |
3
|
| 2.76 |
6 |
18 |
9 |
6 |
5
|
| 3.57 |
10 |
30 |
15 |
10 |
8
|
| 4.51 |
16 |
48 |
24 |
16 |
12
|
| 5.64 |
25 |
75 |
38 |
25 |
19
|
| 6.68 |
35 |
105 |
53 |
35 |
26
|
| 7.98 |
50 |
150 |
75 |
50 |
38
|
| 9.44 |
70 |
210 |
105 |
70 |
53
|
| 11.00 |
95 |
285 |
143 |
95 |
71
|
| 12.36 |
120 |
360 |
180 |
120 |
90
|
Bolt sizes and Threads
BA Screws and Threads
| BA
|
Thread pitch
|
Outside diameter
|
Threads density
|
Outside diameter
|
Spanner
|
Tapping Drill Size
|
| (mm) |
(mm) |
threads per inch(tpi) |
(in) |
(mm) |
(in) |
(mm)
|
| 0 |
1.00 |
6.00 |
25.40 |
0.2362 |
10.5000 |
0.4134 |
5.1
|
| 1 |
0.90 |
5.30 |
28.22 |
0.2087 |
9.2750 |
0.3652 |
4.5
|
| 2 |
0.81 |
4.70 |
31.36 |
0.1850 |
8.2250 |
0.3238 |
4
|
| 3 |
0.73 |
4.10 |
34.79 |
0.1614 |
7.1750 |
0.2825 |
3.4
|
| 4 |
0.66 |
3.60 |
38.48 |
0.1417 |
6.3000 |
0.2480 |
3
|
| 5 |
0.59 |
3.20 |
43.05 |
0.1260 |
5.6000 |
0.2205 |
2.65
|
| 6 |
0.53 |
2.80 |
47.92 |
0.1102 |
4.9000 |
0.1929 |
2.3
|
| 7 |
0.48 |
2.50 |
52.92 |
0.0984 |
4.3750 |
0.1722 |
2.05
|
| 8 |
0.43 |
2.20 |
59.07 |
0.0866 |
3.8500 |
0.1516 |
1.8
|
| 9 |
0.39 |
1.90 |
65.13 |
0.0748 |
3.3250 |
0.1309 |
1.55
|
| 10 |
0.35 |
1.70 |
72.57 |
0.0669 |
2.9750 |
0.1171 |
1.4
|
| ⋮
|
| 25 |
0.072 |
0.25 |
352.78 |
0.0098 |
0.4375 |
0.0172 |
.
|
Common Screw Sizes and Standards
| Designation |
Nominal Dia (mm) |
Nominal Dia (inch) |
Pitch (mm) |
Pitch (per inch) |
Angle
|
| 10 BA |
1.7000 |
0.0669 |
0.3500 |
72.5700 |
47.50
|
| 9 BA |
1.9000 |
0.0748 |
0.3900 |
65.1300 |
47.50
|
| M2 x 0.4 |
2.0000 |
0.0787 |
0.4000 |
63.5000 |
60.00
|
| 8 BA |
2.2000 |
0.0866 |
0.4300 |
59.0700 |
47.50
|
| 7 BA |
2.5000 |
0.0984 |
0.4800 |
52.9200 |
47.50
|
| M2.5 x 0.45 |
2.5000 |
0.0984 |
0.4500 |
56.4444 |
60.00
|
| 6 BA |
2.8000 |
0.1102 |
0.5301 |
47.9200 |
47.50
|
| M3 x 0.5 |
3.0000 |
0.1181 |
0.5000 |
50.8000 |
60.00
|
| 1/8 x 40 BSW |
3.1750 |
0.1250 |
0.6350 |
40.0000 |
55.00
|
| 5 BA |
3.2000 |
0.1260 |
0.5900 |
43.0500 |
47.50
|
| 4 BA |
3.6000 |
0.1417 |
0.6601 |
38.4800 |
47.50
|
| M4 x 0.7 |
4.0000 |
0.1575 |
0.7000 |
36.2857 |
60.00
|
| 3 BA |
4.1000 |
0.1614 |
0.7301 |
34.7900 |
47.50
|
| 2 BA |
4.7000 |
0.1850 |
0.8099 |
31.3600 |
47.50
|
| 3/16 x 32 BSF |
4.7625 |
0.1875 |
0.7938 |
32.0000 |
55.00
|
| 3/16 x 24 BSW |
4.7625 |
0.1875 |
1.0583 |
24.0000 |
55.00
|
| M5 x 0.8 |
5.0000 |
0.1969 |
0.8000 |
31.7500 |
60.00
|
| 1 BA |
5.3000 |
0.2087 |
0.9001 |
28.2200 |
47.50
|
| 7/32 x 28 BSF |
5.5563 |
0.2188 |
0.9071 |
28.0000 |
55.00
|
| M6 x 1 |
6.0000 |
0.2362 |
1.0000 |
25.4000 |
60.00
|
| 0 BA |
6.0000 |
0.2362 |
1.0000 |
25.4000 |
47.50
|
| 1/4 x 28 UNF |
6.3500 |
0.2500 |
0.9071 |
28.0000 |
60.00
|
| 1/4 x 26 BSF |
6.3500 |
0.2500 |
0.9769 |
26.0000 |
55.00
|
| 1/4 x 20 UNC |
6.3500 |
0.2500 |
1.2700 |
20.0000 |
60.00
|
| 1/4 x 20 BSW |
6.3500 |
0.2500 |
1.2700 |
20.0000 |
55.00
|
| M7 x 1 |
7.0000 |
0.2756 |
1.0000 |
25.4000 |
60.00
|
| 9/32 x 26 BSF |
7.1438 |
0.2813 |
0.9769 |
26.0000 |
55.00
|
| 5/16 x 24 UNF |
7.9375 |
0.3125 |
1.0583 |
24.0000 |
60.00
|
| 5/16 x 22 BSF |
7.9375 |
0.3125 |
1.1545 |
22.0000 |
55.00
|
| 5/16 x 18 UNC |
7.9375 |
0.3125 |
1.4111 |
18.0000 |
60.00
|
| 5/16 x 18 BSW |
7.9375 |
0.3125 |
1.4111 |
18.0000 |
55.00
|
| M8 x 1 (Fine) |
8.0000 |
0.3150 |
1.0000 |
25.4000 |
60.00
|
| M8 x 1.25 |
8.0000 |
0.3150 |
1.2500 |
20.3200 |
60.00
|
| 3/8 x 24 UNF |
9.5250 |
0.3750 |
1.0583 |
24.0000 |
60.00
|
| 3/8 x 20 BSF |
9.5250 |
0.3750 |
1.2700 |
20.0000 |
55.00
|
| 3/8 x 16 UNC |
9.5250 |
0.3750 |
1.5875 |
16.0000 |
60.00
|
| 3/8 x 16 BSW |
9.5250 |
0.3750 |
1.5875 |
16.0000 |
55.00
|
| M10 x 1 (Super Fine) |
10.0000 |
0.3937 |
1.0000 |
25.4000 |
60.00
|
| M10 x 1.25 (Fine) |
10.0000 |
0.3937 |
1.2500 |
20.3200 |
60.00
|
| M10 x 1.5 |
10.0000 |
0.3937 |
1.5000 |
16.9333 |
60.00
|
| 7/16 x 20 UNF |
11.1125 |
0.4375 |
1.2700 |
20.0000 |
60.00
|
| 7/16 x 18 BSF |
11.1125 |
0.4375 |
1.4111 |
18.0000 |
55.00
|
| 7/16 x 14 UNC |
11.1125 |
0.4375 |
1.8143 |
14.0000 |
60.00
|
| 7/16 x 14 BSW |
11.1125 |
0.4375 |
1.8143 |
14.0000 |
55.00
|
| M12 x 1.25 (Super Fine) |
12.0000 |
0.4724 |
1.2500 |
20.3200 |
60.00
|
| M12 x 1.5 (Fine) |
12.0000 |
0.4724 |
1.5000 |
16.9333 |
60.00
|
| M12 x 1.75 |
12.0000 |
0.4724 |
1.7500 |
14.5143 |
60.00
|
| 1/2 x 20 UNF |
12.7000 |
0.5000 |
1.2700 |
20.0000 |
60.00
|
| 1/2 x 16 BSF |
12.7000 |
0.5000 |
1.5875 |
16.0000 |
55.00
|
| 1/2 x 13 UNC |
12.7000 |
0.5000 |
1.9538 |
13.0000 |
60.00
|
| 1/2 x 12 BSW |
12.7000 |
0.5000 |
2.1167 |
12.0000 |
55.00
|
| M14 x 1.5 (Fine) |
14.0000 |
0.5512 |
1.5000 |
16.9333 |
60.00
|
| M14 x 2 |
14.0000 |
0.5512 |
2.0000 |
12.7000 |
60.00
|
| 9/16 x 18 UNF |
14.2875 |
0.5625 |
1.4111 |
18.0000 |
60.00
|
| 9/16 x 16 BSF |
14.2875 |
0.5625 |
1.5875 |
16.0000 |
55.00
|
| 9/16 x 12 UNC |
14.3002 |
0.5630 |
2.1167 |
12.0000 |
60.00
|
| 9/16 x 12 BSW |
14.2875 |
0.5625 |
2.1167 |
12.0000 |
55.00
|
| 5/8 x 18 UNF |
15.8750 |
0.6250 |
1.4111 |
18.0000 |
60.00
|
| 5/8 x 14 BSF |
15.8750 |
0.6250 |
1.8143 |
14.0000 |
60.00
|
| 5/8 x 11 UNC |
15.8750 |
0.6250 |
2.3091 |
11.0000 |
55.00
|
| 5/8 x 11 BSW |
15.8750 |
0.6250 |
2.3091 |
11.0000 |
55.00
|
| M16 x 1.5 (JIS) |
16.0000 |
0.6299 |
1.5000 |
16.9333 |
60.00
|
| M16 x 2 |
16.0000 |
0.6299 |
2.0000 |
12.7000 |
60.00
|
| 11/16 x 14 BSF |
17.4625 |
0.6875 |
1.8143 |
14.0000 |
55.00
|
| 11/16 x 11 BSW |
17.4625 |
0.6875 |
2.3091 |
11.0000 |
55.00
|
| M18 x 1.5 (JIS) |
18.0000 |
0.7087 |
1.5000 |
16.9333 |
60.00
|
| M18 x 2.5 |
18.0000 |
0.7087 |
2.5000 |
10.1600 |
60.00
|
| 3/4 x 16 UNF |
19.0500 |
0.7500 |
1.5875 |
16.0000 |
60.00
|
| 3/4 x 12 BSF |
19.0500 |
0.7500 |
2.1167 |
12.0000 |
55.00
|
| 3/4 x 10 UNC |
19.0500 |
0.7500 |
2.5400 |
10.0000 |
60.00
|
| 3/4 x 10 BSW |
19.0500 |
0.7500 |
2.5400 |
10.0000 |
55.00
|
| M20 x 1.5 (JIS) |
20.0000 |
0.7874 |
1.5000 |
16.9333 |
60.00
|
| M20 x 2.5 |
20.0000 |
0.7874 |
2.5000 |
10.1600 |
60.00
|
| 13/16 x 12 BSF |
20.6375 |
0.8125 |
2.1167 |
12.0000 |
55.00
|
| 7/8 x 14 UNF |
22.2250 |
0.8750 |
1.8143 |
14.0000 |
60.00
|
| 7/8 x 11 BSF |
22.2250 |
0.8750 |
2.3091 |
11.0000 |
55.00
|
| 7/8 x 9 BSW |
22.2250 |
0.8750 |
2.8222 |
9.0000 |
55.00
|
| 1 x 12 UNF |
25.4000 |
1.0000 |
2.1167 |
12.0000 |
60.00
|
| 1 x 10 BSF |
25.4000 |
1.0000 |
2.5400 |
10.0000 |
55.00
|
| 1 x 8 UNC |
25.4000 |
1.0000 |
3.1750 |
8.0000 |
60.00
|
| 1 x 8 BSW |
25.4000 |
1.0000 |
3.1750 |
8.0000 |
55.00
|
| 1 1/8 x 12 UNF |
28.5750 |
1.1250 |
2.1167 |
12.0000 |
60.00
|
| 1 1/8 x 9 BSF |
28.5750 |
1.1250 |
2.8222 |
9.0000 |
55.00
|
| 1 1/8 x 7 UNC |
28.5750 |
1.1250 |
3.6286 |
7.0000 |
60.00
|
| 1 1/8 x 7 BSW |
28.5750 |
1.1250 |
3.6286 |
7.0000 |
55.00
|
| 1 1/4 x 12 UNF |
31.7500 |
1.2500 |
2.1167 |
12.0000 |
60.00
|
| 1 1/4 x 9 BSF |
31.7500 |
1.2500 |
2.8222 |
9.0000 |
55.00
|
| 1 1/4 x 7 UNC |
31.7500 |
1.2500 |
3.6286 |
7.0000 |
60.00
|
| 1 1/4 x 7 BSW |
31.7500 |
1.2500 |
3.6286 |
7.0000 |
55.00
|
| 1 3/8 x 12 UNF |
34.9250 |
1.3750 |
2.1167 |
12.0000 |
60.00
|
| 1 3/8 x 8 BSF |
34.9250 |
1.3750 |
3.1750 |
8.0000 |
55.00
|
| 1 1/2 x 12 UNF |
38.1000 |
1.5000 |
2.1167 |
12.0000 |
60.00
|
| 1 1/2 x 8 BSF |
38.1000 |
1.5000 |
3.1750 |
8.0000 |
55.00
|
| 1 1/2 x 6 UNC |
38.1000 |
1.5000 |
4.2333 |
6.0000 |
60.00
|
| 1 1/2 x 6 BSW |
38.1000 |
1.5000 |
4.2333 |
6.0000 |
55.00
|
| 1 5/8 x 8 BSF |
41.2750 |
1.6250 |
3.1750 |
8.0000 |
55.00
|
| 1 3/4 x 12 UNF |
44.4500 |
1.7500 |
2.1167 |
12.0000 |
60.00
|
| 1 3/4 x 7 BSF |
44.4500 |
1.7500 |
3.6286 |
7.0000 |
55.00
|
| 1 3/4 x 5 UNC |
44.4500 |
1.7500 |
5.0800 |
5.0000 |
60.00
|
| 1 3/4 x 5 BSW |
44.4500 |
1.7500 |
5.0800 |
5.0000 |
55.00
|
| 2 x 12 UNF |
50.8000 |
2.0000 |
2.1167 |
12.0000 |
60.00
|
| 2 x 7 BSF |
50.8000 |
2.0000 |
3.6286 |
7.0000 |
55.00
|
| 2 x 4 UNC |
50.8000 |
2.0000 |
6.3500 |
4.0000 |
60.00
|
| 2 x 4.5 BSW |
50.8000 |
2.0000 |
5.6444 |
4.5000 |
55.00
|
Rivet Nut Sizes and holes
| Designation |
Internal Dia (mm) |
External Dia (mm-steel) |
Hole size (mm-steel) |
External Dia (mm-alum) |
Hole size (mm-alum)
|
| M3 |
3 |
4.9 |
5 |
5 |
5.5
|
| M4 |
4 |
5.7 |
6 |
6 |
6.5
|
| M5 |
5 |
6.8 |
7 |
7 |
7.5
|
| M6 |
6 |
8.8 |
9 |
9 |
9.5
|
| M8 |
8 |
10.7 |
11 |
11 |
11.5
|
| M10 |
10 |
12.8 |
13 |
13 |
13.5
|
| M12 |
12 |
14.8 |
15 |
15 |
15.5
|