Diamond Groove Drill Bushings (DG)

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Diamond Groove (DG) drill bushings feature a unique knurled surface design, offering superior resistance to both axial and rotational forces compared to standard drill bushings. These bushings are securely embedded into holes using composite materials or resin, which flows into the grooves during the potting or casting process, ensuring a firm lock. Precision is key, as the inner diameter (ID) must be accurately positioned during installation, given the outer diameter (OD) is not ground. Ideal for guiding and supporting drill bits, reamers, countersinks, and counterbores, DG bushings enhance holemaking accuracy by preventing tool deflection, optimizing chip evacuation, and protecting the workpiece surface.

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Wire Size Standard-Wall Diamond Groove Drill Bushings

Fractional-Inch Standard-Wall Diamond Groove Drill Bushings

Letter Size Standard-Wall Diamond Groove Drill Bushings

Decimal-Inch Standard-Wall Diamond Groove Drill Bushings

Metric Standard-Wall Diamond Groove Drill Bushings

Wire Size Standard-Wall Diamond Groove Drill Bushings

Standard-wall diamond groove (DG) drill bushings are available in sizes that match the American Wire Gauge (AWG) standards. These bushings are designed to accommodate various wire sizes, with the bushing size inversely proportional to the wire gauge.

Wire

Vendor	Inside Dia.	Drill Size	Inside Dia. Tolerance	Outside Dia.	Outside Dia. Tolerance	Overall Length	Brand	Selling Price

Fractional-Inch Standard-Wall Diamond Groove Drill Bushings

Precision-engineered for accuracy, our Diamond Groove (DG) Drill Bushings are available in standard fractional-inch sizes. Ideal for maintaining drill alignment and extending tool life in industrial applications.

Fractional Inch

Vendor	Inside Dia.	Drill Size	Inside Dia. Tolerance	Outside Dia.	Outside Dia. Tolerance	Overall Length	Brand	Selling Price

Letter Size Standard-Wall Diamond Groove Drill Bushings

Our letter size diamond groove (DG) drill bushings are designed for precision and compatibility. Each bushing features a standardized trade letter size, ensuring seamless integration with tools of the same size for efficient and accurate drilling operations.

Letter

Vendor	Inside Dia.	Drill Size	Inside Dia. Tolerance	Outside Dia.	Outside Dia. Tolerance	Overall Length	Brand	Selling Price

Decimal-Inch Standard-Wall Diamond Groove Drill Bushings

Precision-engineered for accuracy, our Decimal-Inch Standard-Wall Diamond Groove (DG) Drill Bushings are available in standard sizes, meticulously measured in decimal inches for seamless compatibility and performance.

Fractional Inch

Vendor	Inside Dia.	Drill Size	Inside Dia. Tolerance	Outside Dia.	Outside Dia. Tolerance	Overall Length	Brand	Selling Price

Metric Standard-Wall Diamond Groove Drill Bushings

Precision-engineered metric diamond groove (DG) drill bushings are available in standard millimeter sizes, ensuring accurate and efficient drilling operations.

Metric

Vendor	Inside Dia.	Drill Size	Inside Dia. Tolerance	Outside Dia.	Outside Dia. Tolerance	Overall Length	Brand	Selling Price