CounterboredHolesChart.pdf COUNTERBORED (COUNTER-BORE) HOLES USA SOCKET-HEAD CAP SCREWS SCREW DIA ACOUNTERBORE DIA BCOUNTERBORE DEPTH CCOUNTERSINK DIA DCLEARANCE DIA Normal Fit Close Fit #0 1/8 .060 .074 #49 #51 #2 3/16 .086 .102 #36 3/32 #4 7/32 .112 .130 #29 1/8 #5 1/4 .125 .145 #23 9/64 #6 9/32 .138 .158 #18 #23 #8 5/16 .164… Continue reading Counterbored (Counter-Bored) Holes
View detailsMetricPrefixesChart.pdf METRIC PREFIXES Prefix Symbol Multiplier tera T 1,000,000,000,000 giga G 1,000,000,000 mega M 1,000,000 kilo k 1,000 hecto h 100 deka da 10 1 deci d .1 centi c .01 milli m .001 micro µ .000001 nano n .000000001 pico p .000000000001
View detailsMetricThreadsChart.pdf METRIC THREAD CUT TAP DRILL SIZESTap / Thread Size*Basic Major DiameterTap Drill Size**M1.6 x 0.350.0631.25mm or #55M2 x 0.40.07871.60mm or #52M2.5 x 0.450.09842.05mm or #46M3 x 0.50.11812.50mm or #39M3.5 x 0.60.13782.90mm or #32M4 x 0.70.15753.30mm or #30M5 x 0.80.19694.20mm or #19M6 x 10.23625.00mm or #8M8 x 1.250.3156.80mm or HM8 x 10.3157.00mm or JM10 x… Continue reading Metric Thread Cut Tap Drill Sizes Chart
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