Threads (inches) basic minor dia of int. Machine screw and drill size chart (english) clearance hole drills screw designation tap drill size close fit loose fit number diameter pitch tap size drill diameter drill diameter drill diameter or dia.
8 0.3150 0 3/8 unc, met s p 9 mm 8.1 0.3189 tapping drill sizes.
Unc tap drill size chart pdf. Pitch (mm) drill size (mm) tap dia. Tap size cut tap drill roll tap drill minor ø major ø m1.6 x.35 1.25.0492 1.45.0571 1.221/1.321.0481/.0520 1.6.0630 m1.8 x.35 1.45.0571 #51.0670 1.371/1.421.0540/.0559 1.8.0709 m2 x.4 1.6.0630 1.8.0709 1.567/1.679.0620/.0661 2.0.0787 m2.2 x.45 1.75.0689 2.0.0787 1.648/1.713.0649/.0674 2.2.0866 m2.5 x.45 2.05.0807 2.3.0906 2.013/2.138.0793/.0842 2.5.0984 Ba = briitish association (tap drill size) bao = ba overall diamater , swg = standard wire gauge.
(inches) 0 #73 160 1⁄ 64″ 0 #63 120 #71 3⁄ 32″ 0 #55 90 #65 3⁄ 32″ 0 0.06 #52 — — 80 3⁄ 64″ 5⁄ 32″ 1 0.073 #48 64 #52 72 #53 56 #54 5⁄ 32″ 2 0.086 #43 56 #50 64 #50 — — 3⁄ 16″ 130 technical drill size for thread forming @ 62.5% thread metric threadsmetric threads unc / unf threads tap dia. Tap drill tap drill size alt.
M, mf, mj, unc, unjc, unf, unjf, pg, tr, g, bsw, unef, un,. Metric tap & clearance drill sizes tap drill clearance drill 75% thread for aluminum, brass, & plastics 50% thread for steel, stainless, & iron close fit standard fit screw size (mm) thread pitch (mm) drill size (mm) closest american drill drill size (mm) closest american drill drill size (mm) closest american drill drill size (mm) closest american 0 0.060 80 0.045 3/64 0.047 55 0.052 52 0.064 50 0.070 64 0.054 53 0.060 1/16 0.063
Tapping drill sizes imperial threads tap size b.s whit u.n.f u.n.c b.s.f b.s.p b.a drill size drill size drill size drill size drill size tap size drill size 1/16 1.1mm 0 5.1mm 3/32 1.8mm 1/8 2.5mm 11/32 1 4.5mm 5/32 2.9mm 1/8 3/16 3.7mm 5/32 2 5/32 7/32 4.2mm 4.4mm M2.5x.45 coarse tap drill size 0.0810: Often it is the corresponding dies and taps that you see.
Tap drill tap size pitch form tap drill size alt. Pitch (mm) drill size (mm) tap size tpi. Threads (inches) basic minor dia of int.
Tap drill tap drill size alt. 23 printable tap drill charts [pdf] a drill and tap chart is what specifies the right size of drill bit that one can use to create the correct sized opening that would complement tap dimensions. Tapping chart in pdf format from osg tools corporation.
Tap drill size chart for all standard threads: Basic major dia (inches) basic effective dia (inches) basic minor dia of ext. Tap drill tap size pitch form tap drill size alt.
You will find here handy guide to tap drill sizes. Threads (inches) basic minor dia of int. The tap drill sizes are listed in the order in which the threads per inch (tpi) are listed in the previous column.
A tap drill chart is key in matching pairs of female and male thread that tightly secure together. 8.2 0.3228 p 3/8 bsf 8.3 0.3268 8.33 0.3281 21/64 8.4 0.3307 q 1/8 bstp 8.5 0.3346 met c 10 mm, 3/8 unf.
