Camera tripod mounting screwsUnit: m
Size Minor DiameterRecommended Hole Size
Max. Min.
1/4 - 20 5.267 4.9755.19

SP

28˚ 2.91 -3.3

SL

PO

ST

Automotive tire valve screws Unit: mm Bicycle tire valve screws Unit: mm

SizeMinor D Max.iameter Min.Recommended Hole Size
5V14.8014.5974.75
8V17.2397.0367.19
8V27.0356.7826.97
9V18.8658.6618.81
10V18.9008.7508.86
10V29.5509.3509.50
11V110.0339.7299.96
12V111.37911.17611.33
13V111.60811.32811.54
13V212.03911.83711.99
15V113.95013.75013.90
16V115.08814.85915.03
17V115.95015.75015.90
17V216.56016.30716.50
17V316.10315.74816.01
19V117.67817.32317.59
20V119.45019.25019.40
SizeMinor D Max.iameter Min.Recommended Hole Size
CTV5-364.7324.6304.71
CTV5-244.2143.9544.15
CTV8-327.1927.0407.15
CTV8-307.3447.1837.30
5V24.6004.4004.55
6V15.5405.4405.52
SizeMinor D Max.iameter Min.Recommended Hole SizeHAND TAPS
CTC19 -1618.20817.80818.11
CTC25 -1624.50824.10824.41
CTC31 -1630.90830.50830.81EG (STI)
CTC39 -1637.20836.80837.11
CTC51 -1649.90849.50849.81
CTC63 -1662.60862.20862.51
CTC75 -1675.30874.90875.21SPECIAL

CTC 75 - 16 75.308 74.908 75.21 THREADS,

Bicycle screws general (BC) Unit: mm GAUGES

SizeMinor D Max.iameter Min.Recommended Hole Size
BC5/16 -267.167.067.13
BC3/8 -268.758.658.73
BC7/16 -2610.3310.2310.31
BC1/2 -2011.6611.5511.63
BC9/16 -2013.2513.1413.23
BC5/8 -2014.8414.7314.81
BC11/16 -2416.5916.4816.57
BC3/4 -3018.4018.2918.37
BC31/32 -3023.9623.8523.94
BC1 -2424.5624.4424.53
BC1.29 -2431.9531.8231.92
BC1.37 -2433.9833.8533.95
BC1 7/16 -2435.6935.5635.66
BC1.45 -2436.0135.8835.98
BC1 9/16 -2438.8738.7438.84
SizeMinor D Max.iameter Min.Recommended Hole SizeTHREAD MILLS
CTG16-1419.52219.02219.40
CTG22-1425.00824.50824.88DIES
CTG28-1131.36130.76131.21
CTG36-1140.02239.42239.87
CTG42-1145.91545.31545.77
CTG54-1157.82657.12657.65CENTER
CTG70-1173.39672.69673.22DRILLS
CTG82-1186.09685.39685.92
CTG92-1198.54297.84298.37
CTG104-11111.242110.542111.07