9/16" Head Diameter Grinding Bits

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For Use On

Shape

Tooth Style

System of Measurement

Shank Diameter

Overall Length

Tip Style

Head Length

Shank Flexibility

Sold As

Color

Maximum Rotation Speed

25,000 rpm

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

For Use With

Grinders for Bits and Burs

Length

REACH

RoHS

Rotation Speed

20,000 rpm to 29,999 rpm

Grit Rating

Material

Tip Angle

8 Products

Burs for Wood and Rubber

Pointed teeth cut wood and rubber quickly without clogging.

Cylinder with Flat Tip

Flat cylinder burs are for straight edges and flat surfaces.

		Head						Pointed Tooth (Coarse Grit)		Pointed Tooth (Fine Grit)
	Shank Dia.	Dia.	Lg.	Overall Lg.	For Use On	Max. Rotation Speed, rpm	Color		Each		Each
Carbide



		1/4"	9/16"	3/4"	2"	Wood, Rubber	25,000	Red	4257A45	000000	———	0


		1/4"	9/16"	1 1/4"	2 1/2"	Wood, Rubber	25,000	Blue	———	0	4257A75	000000

Cylinder with Round Tip

Round cylinder burs are for curved surfaces and slots and round-bottom holes and slots.

		Head						Pointed Tooth (Coarse Grit)		Pointed Tooth (Fine Grit)
	Shank Dia.	Dia.	Lg.	Overall Lg.	For Use On	Max. Rotation Speed, rpm	Color		Each		Each
Carbide



		1/4"	9/16"	3/4"	2"	Wood, Rubber	25,000	Blue	———	0	4257A81	000000


		1/4"	9/16"	3/4"	2"	Wood, Rubber	25,000	Red	4257A51	000000	———	0

Ball

Ball burs are for curved surfaces, round slots, and round-bottom holes.

		Head						Pointed Tooth (Coarse Grit)		Pointed Tooth (Fine Grit)
	Shank Dia.	Dia.	Lg.	Overall Lg.	For Use On	Max. Rotation Speed, rpm	Color		Each		Each
Carbide



		1/4"	9/16"	9/16"	1 3/4"	Wood, Rubber	25,000	Blue	———	0	4257A63	000000


		1/4"	9/16"	9/16"	1 3/4"	Wood, Rubber	25,000	Red	4257A33	000000	———	0

Tapered Cone with Round Tip

Round tapered cone burs are for tapered holes and slots with rounded bottoms.

		Head							Pointed Tooth (Coarse Grit)		Pointed Tooth (Fine Grit)
	Shank Dia.	Dia.	Lg.	Tip Angle	Overall Lg.	For Use On	Max. Rotation Speed, rpm	Color		Each		Each
Carbide



		1/4"	9/16"	1"	15°	2 3/8"	Wood, Rubber	25,000	Blue	———	0	4257A69	000000


		1/4"	9/16"	1"	15°	2 3/8"	Wood, Rubber	25,000	Red	4257A39	000000	———	0