Pin drill


  • Webster's Revised Unabridged Dictionary
    • Pin drill (Mech) a drill with a central pin or projection to enter a hole, for enlarging the hole, or for sinking a recess for the head of a bolt, etc.; a counterbore.
    • ***


In literature:

Small holes, drilled through the crank cheeks, serve to convey lubricant from the main bearings to the crank pins.
"A History of Aeronautics" by E. Charles Vivian
A hole 1 inch in diameter was drilled through the center of this circular piece to receive the pivot pin of a tripod.
"The Scientific American Boy" by A. Russell (Alexander Russell) Bond
They rest on small blocks which are fastened to the cleats, or if desired, small holes can be drilled and pins used instead.
"Mission Furniture" by H. H. Windsor
The upper part of this pin runs in a drill block of wood or bone.
"The Voyage of the Vega round Asia and Europe, Volume I and Volume II" by A.E. Nordenskieold
Then the long thin pin was tried in the touch-holes of both guns, and after a good deal of poking and drilling the orifices were cleared.
"The Young Castellan" by George Manville Fenn
This driver plate has two pins which engage holes drilled in the gear blank and prevent it from rotating.
"Turning and Boring" by Franklin D. Jones
Time had drilled her well in the part, time with the memories of pin-pricks behind the scenes.
"The Old Blood" by Frederick Palmer
They contain full Instructions as to PIN DRILL, POSITION DRILL, and NEEDLE DRILL, as required by the New Code.
"A Catalogue of Books for the Young" by Various

In news:

Grab your masking tape, pin, marker, drill, cowl , and fuselage then follow these easy steps.
The event ends Sunday with kids' scavenger hunt, an artillery and infantry drill, rolling pin competition and much more.
Tools and Materials Pumpkin Grease pencil Power drills and bits Scrapers Keyhole saws Vegetables, for facial features Hot glue, toothpicks, or straight pins.
Using the level, pre-drill two holes per side for each shelf, and insert shelf pins.

In science:

Screws and dowel pins fit into metallized holes drilled into the PCB.
Design of a Base-Board for arrays of closely-packed Multi-Anode Photo-Multipliers
The holes of the pin-holder are drilled parallel to the beam axis with an uncertainty of less than 20 arcsec.
Laue lenses for hard X-/soft Gamma-rays: new prototype results