Attic Ventilators - In houses, screened openings provided to ventilate an attic space.
Bat - A half-brick.
Bond - The pattern in which bricks or other masonry units are laid. Also, the cementing action of an adhesive.
Boom - A truck used to hoist heavy material up and into place. To put trusses on a home or to set a heavy beam into place.
Flame retention burner - An oil burner, designed to hold the flame near the nozzle surface. Generally the most efficient type for residential use.
Hose bib - An exterior water faucet (sill cock).
Pilot hole - A small-diameter hole that guides a nail or screw.
Saturated felt - A felt which is impregnated with tar or asphalt.
Tab - The exposed portion of strip shingles defined by cutouts.
Thermoply T - Exterior laminated sheathing nailed to the exterior side of the exterior walls. Normally ¬ " thick, 4 X 8 or 4 x 10 sheets with an aluminumized surface.
End "21 32 high speed drill" research and recommendations
21/32" High Speed Steel Screw Machine Drill Bit
Feature: ... Size: 21/32"; Flute Length: 2 7/8"; Overall Length: 4 1/2"; Will NOT fit in a 3/8" or 1/2" Drill Chuck.; Shank diameter is the same as cutting diameter. ...more
Editorial Reviews — ... Product Description | Short length drill bits, often used in screw machines. Often called "stub drills". Shank is the same diameter as cutting diameter.High speed steel. Please note: Screw Machine Drill bits may be bright finished or black oxide, depending on stock....more
21/32" High Speed Steel "Taper Length" Straight Shank Long Drill Bit
Feature: ... Size: 21/32"; Overall Length: 9"; "Taper length" is a long Straight Shank drill used to drill deep holes.; Shank size is the same as the diameter of the drill.; Will NOT fit in a 3/8" or 1/2" Drill Chuck. ...more
Editorial Reviews — ... Product Description | High Speed Steel. Taper length is a longer straight shank drill used where a deeper hole is required. Shank size is the same as the diameter of the drill....more
Precision Twist QC21P 9/32" Parabolic FL Drill 135 Degree Split Point HSS 2 15/16" Flute 4 1/4" L
Editorial Reviews — ... Product Description | Precision Twist Drill parabolic flute drill bits, these have a large flute space for greater chip flow and improved coolant flow to the drill bit point. These factors allow bits to drill deeper and produce closer hole tolerances more quickly than regular jobber bits. A large cross section increases rigidity and strength. Bits have a reduced margin width to lessen contact between the bit and the hole sides to minimize friction and heat. A self centering 135 degree split point penetrates...more
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