A23 Grinding Bits | McMaster-Carr

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2 Products

Grinding Bits for Metals

Made of aluminum oxide, these bits are well suited for use on most metals and materials that are not heat sensitive.

Bits are also known as mounted points and die grinder bits. 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.

For technical drawings and 3-D models, click on a part number.

Pear

	Head				Abrasive
	Dia.	Lg.	Max. Speed, rpm	Shape No.	Material	Bond Material	Shank Lg.	Choose a Grit (Surface Texture)	Pkg. Qty.		Pkg.
1/4" Shank Dia.
For Steel, Stainless Steel, Iron
28	3/4"	1"	39,370	A23	Aluminum Oxide	Vitrified Clay	1 1/2"	46 (Rough) Blue-Gray, 60 (Rough) Orange, 120 (Smooth) Blue	5	00000000	000000

High-Performance Grinding Bits for Metals

Made of ceramic alumina, these bits prevent material and heat buildup better than bits made of boron nitride and aluminum oxide when used on steel, stainless steel, iron, and titanium. They also last longer than boron nitride bits, so they’re the best choice for high-volume applications. Also known as mounted points and die grinder bits.

Head diameter is measured at the widest point.

For technical drawings and 3-D models, click on a part number.

	Head					Abrasive
	Dia.	Lg.	Max. Speed, rpm	Shape No.	Shape	Material	Bond Material	Shank Lg.	Grit (Surface Texture)		Each
For Iron, Stainless Steel, Steel, Titanium
1/4" Shank Dia.
6	3/4"	1"	40,300	A23	Pear	Ceramic Alumina	Vitrified Clay	1 1/2"	80 (Smooth) Green	0000000	00000