the grind – the cross section shape of the blade.the edge – the cutting surface of the knife extending from the point to the heel.the point – the end of the knife used for piercing.See also: Kitchen knife § Nomenclature Characteristic parts of a knife Hunters use a hunting knife, soldiers use the combat knife, scouts, campers, and hikers carry a pocketknife there are kitchen knives for preparing foods (the chef's knife, the paring knife, bread knife, cleaver), table knife ( butter knives and steak knives), weapons ( daggers or switchblades), knives for throwing or juggling, and knives for religious ceremony or display (the kirpan). Most modern knives have either fixed or folding blades blade patterns and styles vary by maker and country of origin. Originally made of wood, bone, and stone (such as flint and obsidian), over the centuries, in step with improvements in both metallurgy and manufacturing, knife blades have been made from copper, bronze, iron, steel, ceramic, and titanium. One of the earliest tools used by humanity, knives appeared at least 2.5 million years ago, as evidenced by the Oldowan tools. A Bowie knife of pattern-welded steelĪ knife ( PL: knives from Old Norse knifr 'knife, dirk' ) is a tool or weapon with a cutting edge or blade, usually attached to a handle or hilt. For more information go to other uses, see Knife (disambiguation). WARNING This product can expose you to the chemical Ethylene Thiourea, known to the State of California to cause cancer and birth defects or other reproductive harm. ![]() Required for the US State of California only. The user must determine suitability for a particular application. Performance ratings are for guidance only. Hot Process Black Oxide, Impregnated with Naphthenic Oil, Centrifugally DriedĬode used to identify products to standardize nomenclature around the world. Operating temperature includes ambient temperature plus or minus factors such as system heat generated during operation, washdown, vacuum, etc. Minimum and maximum operating temperature. The balanced design allows for reduced vibration at high RPMs. Zero-backlash ensures there is no loss of motion during operation. This proprietary coating allows for repeated installations, prevents screws from coming loose during operation, and provides the necessary dissimilar material in stainless steel couplings to reduce galling. The max torque becomes based on the physical limitations of the key that is used.įull bearing support is a bearing in close proximity to both sides of the coupling to prevent axial loads that could result in rapid coupling failure. Keyed Rigids have an increased torque capability beyond the Rated Torque. Use torque wrench for accurate seating torque. Torque required to install supplied hardware. Surface finish and treatments on supplied hardware. Wrench size that fits the screw head to tighten or loosen the screw. Inch or metric socket head cap screw size. See installation instructions for more information.Īcceptable variance in nominal shaft diameter before performance loss. The recommended gap between halves to maintain during installation. Minimum diameter required to avoid interference with hardware. Variance in finished bore range before installation. The maximum depth the shaft can penetrate into Bore B2. The maximum depth the shaft can penetrate into Bore B1. SPC-18-18-F is manufactured in our Marlborough, MA factory under strict controls using proprietary processes. It is machined from solid bar stock that is sourced exclusively from North American mills and is RoHS3 and REACH compliant. SPC-18-18-F is made from 1215 lead-free steel with a proprietary black oxide finish that produces a fine glossy finish while increasing holding power and resisting corrosion. Tightly controlled bore tolerance of +.002"/+.0005" is maintained. Forged screws test beyond ANSI standards to ensure maximum holding power. It eliminates the need to treat screws upon receipt greatly reducing installation time. Proprietary Nypatch® anti-vibration coating on hardware allows for even seating of the screw, repeated screw installations, prevents galling, and maintains high holding power. ![]() SPC-18-18-F has opposing hardware for a balanced design. It has precision honed bores to ensure they are collinear and do not introduce misalignment or vibration into the system making it suitable for high precision servo appliactions as well as shaft to shaft connections.
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