Board Foot - A unit of measure for lumber equal to 1 inch thick by 12 inches wide by 12 inches long. Examples -
Contractor - A company licensed to perform certain types of construction activities. In most states, the generals contractor's license and some specialty contractor's licenses don't require of compliance with bonding, workmen's compensation and similar regulations. Some of the specialty contractor licenses involve extensive training, testing and/or insurance requirements. There are various types of contractors:
Doorjamb, interior - The surrounding case into which and out of which a door closes and opens. It consists of two upright pieces, called side jambs, and a horizontal head jamb. These 3 jambs have the "door stop" installed on them.
Heat Rough - Work performed by the Heating Contractor after the stairs and interior walls are built. This includes installing all duct work and flue pipes. Sometimes, the furnace and fireplaces are installed at this stage of construction.
Jack rafter - A rafter that spans the distance from the wall plate to a hip, or from a valley to a ridge.
Rough opening - The horizontal and vertical measurement of a window or door opening before drywall or siding is installed.
Shingles, siding - Various kinds of shingles, used over sheathing for exterior wall covering of a structure.
Shingles - Roof covering of asphalt. asbestos, wood, tile, slate, or other material cut to stock lengths, widths, and thickness'.
Short circuit - A situation that occurs when hot and neutral wires come in contact with each other. Fuses and circuit breakers protect against fire that could result from a short.
Siding, (lap siding) - Slightly wedge -shaped boards used as horizontal siding in a lapped pattern over the exterior sheathing. Varies in butt thickness from « to _ inch and in widths up to 12".
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Precision Twist 27/64" Taper Length Drill 135 Deg Cobalt L 7 1/4" Flute 4 5/8"
Editorial Reviews — ... Product Description | Precision Twist taper length drill bits have longer flutes and a longer overall length than jobber twist drill bits, which allows for deeper drilling. The shank diameter is the same as the drill bit size. High speed steel drill bits are for use with a wide variety of materials including steel, cast iron, and forgings. Cobalt steel drill bits provide better heat and abrasion resistance for high tensile alloys, stainless steels, and other difficult-to-machine metals. Their self-centering...more
Interstate 32891 27/64 Cobalt Jobbers Drills
Feature: ... Package Quantity: (1) Piece; Size (Inch): 27/64; Size (Decimal Inch): .4219"; Overall Length (Inch): 5-3/8; Type: Standard; Material: Cobalt; Finish/Coating: Bright; Drill Grade: Heavy-Duty; Point Type: Split Point; Flute Length (Inch): 3-15/16 ...more
Editorial Reviews — ... Product Description | Cobalt 135° Split Point Jobber Drills Size: 0.4219 In., 27/64 Overall Length: 5-3/8 Type: Standard Material: Cobalt Finish/Coating: Bright Drill Grade: Heavy-Duty Point Type: Split Point...more
Dewalt DW1227B Cobalt 27/64" Cobalt Drill Bit Pilot Point (Bulk 6) DW1227B
Editorial Reviews — ... Product Description | 27/64" COBALT PILOT POINT DRILL BIT (BULK 6)Applications:Ideal for Drilling in Stainless Steel or other Hard MetalsPilot Pt eliminates walking on Metal PipeFeatures:Maximum Speed and Life in Stainless Steel and other hard metalsPilot Pt Tip Desgin starts on contact and eliminates bit walkingIndustrial Strength Cobalt for optimum life and durability in Metal...more
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