Boron Nitride-Abrasive Grinding Bits

Filter by

Product Family

Grinding Bits

System of Measurement

Head Diameter

For Use On

Shape

Shank Diameter

Abrasive Material

Nylon Mesh/Aluminum Oxide

Nylon Mesh/Silicon Carbide

Head Length

Grit

Material

Grit Rating

Rotation Speed

20,000 rpm to 29,999 rpm

30,000 rpm to 99,999 rpm

100,000 rpm or greater

Surface Texture

Extra Smooth

Smooth

Overall Length

2 1/4"

Maximum Rotation Speed

Length

Performance

For Use With

Grinders for Bits and Burs

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

Yes

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

RoHS

REACH

Color

25 Products

Long-Life Grinding Bits for Metals

Similar to diamond, boron nitride is harder than aluminum oxide and lasts longer. Bits are also known as jig grinding pins and mandrels.

Head diameter is measured at the widest point.

Caution: As bit shank is exposed beyond _1/2", maximum safe rpm decreases significantly. Refer to ANSI standard B7.1. Use only accessories that have a greater rpm rating than the maximum speed of the grinder you choose.

Cylinder

	Head
	Dia.	Lg.	Max. Rotation Speed, rpm	Abrasive Material	Overall Lg.	Grit (Surface Texture)		Each
For Steel, Stainless Steel, and Iron







				1/8" Diameter Shank

				0.03"	0.08"	100,000	Boron Nitride	2 1/4"	220 (Extra Smooth) Silver	4338A12	000000


				0.04"	0.08"	100,000	Boron Nitride	2 1/4"	220 (Extra Smooth) Silver	4338A11	00000
				0.05"	0.08"	100,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A13	00000
				0.06"	0.12"	100,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A14	00000
				0.07"	0.12"	100,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A17	00000
				0.08"	0.16"	100,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A15	00000
				0.09"	0.16"	100,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A16	00000
				0.1"	0.16"	100,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A18	00000
				0.11"	0.16"	60,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A19	00000
				0.12"	0.16"	60,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A41	00000
				0.13"	0.2"	60,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A42	00000


				0.14"	0.2"	60,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A21	00000
				0.16"	0.2"	60,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A22	00000
				1/4"	1/4"	50,000	Boron Nitride	2"	150 (Smooth) Green	4338A101	00000
				1/4"	1/2"	50,000	Boron Nitride	2"	150 (Smooth) Green	4338A102	00000
				3/8"	1/4"	50,000	Boron Nitride	2"	150 (Smooth) Green	4338A103	00000




						1/4" Diameter Shank

						0.2"	0.24"	60,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A24	00000


						0.24"	0.28"	60,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A43	00000
						0.26"	0.28"	60,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A26	00000
						0.32"	0.32"	30,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A27	00000
						0.34"	0.32"	30,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A28	00000
						0.39"	0.39"	30,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A44	00000
						0.47"	0.39"	30,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A3	00000
						0.59"	0.39"	20,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A45	00000
						0.73"	0.39"	20,000	Boron Nitride	2 1/4"	120 (Smooth) Silver	4338A32	00000