.\" $FabBSD$ .\" .\" Copyright (c) 2009 Hypertriton, Inc. .\" All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without .\" modification, are permitted provided that the following conditions .\" are met: .\" 1. Redistributions of source code must retain the above copyright .\" notice, this list of conditions and the following disclaimer. .\" 2. Redistributions in binary form must reproduce the above copyright .\" notice, this list of conditions and the following disclaimer in the .\" documentation and/or other materials provided with the distribution. .\" .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR .\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED .\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE .\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, .\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES .\" (INCLUDING BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR .\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, .\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING .\" IN ANY WAY OUT OF THE USE OF THIS SOFTWARE EVEN IF ADVISED OF THE .\" POSSIBILITY OF SUCH DAMAGE. .\" .Dd $Mdocdate: March 28 2009 $ .Dt DRILLPOINTS 7 .Os .Sh NAME .Nm drillpoints .Nd Lengths of drill points .Sh DESCRIPTION Where .Em D is the diameter of the drill and .Em K is a constant, the length of a drill point can be computed as .Em P = D*K . K constants for common drill point angles are listed below: .Bd -literal -offset left Point angle (degs) K constant ------------------ ---------- 60 0.866025404 82 0.575184204 90 0.500000000 118 0.300430310 120 0.288675135 125 0.260283525 130 0.233153829 135 0.207106781 140 0.181985117 145 0.157649394 150 0.133974596 .Ed .Sh SEE ALSO .Xr drills 7 .Sh HISTORY The .Nm manual page first appeared in FabBSD 1.0.