Manek Tools
high speed steel metal cutting tools like metal slitting saw, side & face cutter, cylindrical cutter, single & double angle cutter, shell end mills, t slot cutter, slot drills, reamers, tool bits from Manek Tools Ahmedabad India.
http://www.hsscuttingtools.com

Hermann Pfisterer GmbH
ZEBO fertigt Spiralbohrer, Aufbohrer, Zentrierbohrer, NC-Anbohrer, Stufenbohrer und Senker nach DIN, Werknorm und als Sonderwerkzeug, aus Schnellarbeitsstahl (HSS,HSCO) und Hartmetall (VHM, HM).
http://www.zebo-werkzeuge.de

Division in Mean and Extreme Ratio
The base angle of the largest trinalges of most representations of Sri Yantra are about 52 degrees, close to the base angle of the Great Pyrmaid of Cheops, which is 51deg50'. With such a base angle, the ratio of the hypotenuse to half the base is phi, the Golden Ratio.
http://alumni.cse.ucsc.edu/~mikel/sriyantra/golden.html

Doofor Rock Drills
Information about Doofor's hydraulic rock drills and drifters for surface drilling, underground use and construction. Doofor drills are Doofor-designed and manufactured in Finland.
http://www.doofor.com/

Paranthaman Rock Drills
From the Country of India, Paranthaman Rock Drills manufactures and exports drilling rigs, wagon drills and drilling accessories.
http://www.prdrigs.com

Taft-Peirce Metrology
Suburban Tool, Inc. - THE TAFT-PEIRCE PRODUCT LINE
http://taftpeirce.com

FS Inventor AG.
Lightweight ice core drills. Easy transportation, installation, operation. 2- and 3-inch drills.
http://www.icedrill.ch/

Fast Newton-Raphson Torsion Angle Minimizer (FANTOM)
Calculates low-energy conformations of polypeptides and proteins, compatible with distance and dihedral angle constraints obtained typically from NMR experiments. Free for academics.
http://bose.utmb.edu/fantom/fm_home.html

Reedrill
Manufacturer of construction auger drills and tools, hydraulic percussive drills and rotary blasthole machines
http://www.reedrill.com

Hammond and Company
Deep hole drills, diameters 3 to 50, up to 3 metres long, used on gundrilling machines and standard machine tools, drilling components as diverse as inconel valve blocks to bagpipe chanters.
http://www.hammco.com