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Diamond Groove Drill Bushings (DG)
Available370 products
Diamond-groove (DG) drill bushings have a knurled surface that provides better resistance to axial and rotational forces than other styles of drill bushings. They are cast or potted in a hole using composites or resin. The resin or composite runs through the grooves during the casting or potting process to lock the bushings in place. The bushings' outer diameter (OD) is not ground, so their inner diameter (ID) must be kept accurately located during casting or potting. Type DG drill bushings install into fixtures to guide, position, and support drill bits, reamers, countersinks, and counterbores during holemaking tasks. The bushings keep the cutting tool from wandering or bending as it enters the workpiece, maximize chip clearance, and minimize the risk of marring the workpiece.
Wire Size Standard-Wall Diamond Groove Drill Bushings
Wire size diamond groove (DG) drill bushings come in standard sizes that correspond to American Wire Gauge (AWG) sizes. The larger the wire size, the smaller the bushing.
Wire
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Fractional-Inch Standard-Wall Diamond Groove Drill Bushings
These diamond groove (DG) drill bushings come in standard sizes expressed in fractional inches.
Fractional Inch
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Letter Size Standard-Wall Diamond Groove Drill Bushings
Letter size diamond groove (DG) drill bushings each have a trade letter size that indicates the bushing's compatibility with other tools that have the same trade letter size.
Letter
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Decimal-Inch Standard-Wall Diamond Groove Drill Bushings
These diamond groove (DG) drill bushings come in standard sizes expressed in decimal inches.
Fractional Inch
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Metric Standard-Wall Diamond Groove Drill Bushings
Metric diamond groove (DG) drill bushings come in standard sizes expressed in millimeters.
Metric
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