The meaning of DRILL is to fix something in the mind or habit pattern of by repetitive instruction. How to use drill in a sentence.
The meaning of DRILL is to fix something in the mind or habit pattern of by repetitive instruction. How to use drill in a sentence.
Tapping a Straight Hole With the Aid of a Drill Press: This is a description of a simple operation that might make tapping holes a little easier! Ever wondered why your taps have a little chamfered hole in the top? Read on and learn
can perform full automatic machining after being arranged in the square pipe; the machining efficiency of the automatic drill is two times the efficiency of a drill press operated by an operator; the labor intensity is reduced; the working efficiency is improved; and the hole spacing is precise...
To drill a dowel, loosen the wing nuts, slip the dowel into where you want to drill your hole, then tighten the wing nuts to secure the dowel. Using a drill press or a hand drill, you can drill the dowel directly in the center without worrying about the hole getting off center. ...
52 、They bored a hole through a board with a drill.───他们在板上钻了一个孔。 53 、The soldiers were at drill in the barrack square.───兵士们在营房的操场上操练。 54 、A sort of electric drill ran through the cafe.───咖啡馆里一阵兴奋,好像通过一阵电流一般。
square hole drill bits, with diameters of 1/4 inch (6.4mm), 5/16 inch (8mm), 3/8 inch (9.5mm), and 1/2 inch (12.7mm). The hand drill clamp diameter ranges from 38 to 55mm/1.5 to 2.2 inches. Please note that it is only suitable for bench drills and hand drills with clamps....
The air, typically pressurized to about 270-330 pounds per square inch (1.9-2.3 MPa) and entrained with oil, operates the hammer. Typically, the standard drill rod is a little over 5 feet (1.5 m) long and 6.5 inches (16.6 cm) in outside diameter. One end of the rod includes a ...
The soil is stabilised by a product capable of reacting with the constituents of the soil to improve its mechanical characteristics. It consists of making a hole with a cylindrical side surface by forcing down the soil beyond the limits of the hole and filling progressively with the product, wh...
A drill press comprises a hollow pillar with a base, a holder for a drill slidably mounted on the pillar and a clamp integral to the pillar for clamping the base to a work piece so