Arkansas Stones | McMaster-Carr

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	Shape Shape


Square	Rectangle

Triangle	Contoured

Round	Bevel

Knife	Point

Diamond	Oval

	Abrasive Material Abrasive Material

Novaculite

Aluminum Oxide

Silicon Carbide

	Grit Grit

	For Finish For Finish

Smooth

Extra Smooth

Polished

	Length Length

	Thickness Thickness

1/16" to 0.250"

0.125" to 0.250"

0.125" to 3/8"

	Minimum Width Minimum Width

	Individual/Set Individual/Set

Individual

Set

	Color Color

	Gray
	Off-White
	White

	Lubrication Lubrication

	Stone Style Stone Style

Straight

Tapered

	Stone Width Stone Width

1 5/8"

	For Sharpening For Sharpening

	Container Type Container Type

Box

Plastic Case

Fabric Roll-Up Pouch

	Number of Grits Number of Grits

	Stone Length Stone Length

10"

	Stone Thickness Stone Thickness

1/2"

3/4"

	Diameter Diameter

1/32"-5/16"

1/4"

3/8"

1/2"

	Number of Pieces Number of Pieces

	For ID For ID

	Barrel Length Barrel Length

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56 Products

About Finishing

Smoothing and Polishing Stones

Maintain tools, molds, and dies. These stones can be used by hand or in power tools with a compatible holder. Choose the shape that best matches the contour of your work surface.

Novaculite stones have extremely fine grains that cut very slowly for the most control over finishing. Also known as Arkansas stones. Grit is approximate. We recommend using a water-soluble or oil-based lubricant.

Straight Square

Stones								Hand-Held Stone Holders
Grit (For Finish)	Lg.	Wd.	Thick.	Color	Lubrication		Each		Each
Novaculite—For Use On Steel
800 (Polished)	4"	1/4"	1/4"	Gray	Recommended	0000000	000000	00000000	00000
800 (Polished)	4"	3/8"	3/8"	Gray	Recommended	0000000	00000	000000	00
800 (Polished)	4"	1/2"	1/2"	Gray	Recommended	0000000	00000	000000	00
800 (Polished)	6"	3/8"	3/8"	Gray	Recommended	0000000	00000	000000	00
800 (Polished)	6"	1/2"	1/2"	Gray	Recommended	0000000	00000	000000	00

Straight Triangular

Novaculite—For Use On Steel
Grit (For Finish)	Lg.	Wd.	Color	Lubrication		Each
800 (Polished)	4"	1/4"	Gray	Recommended	0000000	000000
800 (Polished)	4"	3/8"	Gray	Recommended	0000000	00000
800 (Polished)	4"	1/2"	Gray	Recommended	0000000	00000
800 (Polished)	6"	3/8"	Gray	Recommended	0000000	00000
800 (Polished)	6"	1/2"	Gray	Recommended	0000000	00000

Straight Round

Novaculite—For Use On Steel
Grit (For Finish)	Lg.	Dia.	Color	Lubrication		Each
800 (Polished)	4"	1/4"	Gray	Recommended	0000000	000000
800 (Polished)	6"	3/8"	Gray	Recommended	0000000	00000
800 (Polished)	6"	1/2"	Gray	Recommended	0000000	00000

Straight Rectangular

Novaculite—For Use On Steel
Grit (For Finish)	Lg.	Wd.	Thick.	Color	Lubrication		Each
800 (Polished)	4"	1/2"	3/16"	Gray	Recommended	0000000	000000

Straight Diamond

Novaculite—For Use On Steel
Grit (For Finish)	Lg.	Wd.	Thick.	Color	Lubrication		Each
800 (Polished)	4"	1/2"	3/16"	Gray	Recommended	0000000	000000

Straight Bevel

Novaculite—For Use On Steel
Grit (For Finish)	Lg.	Wd.	Thick.	Color	Lubrication		Each
800 (Polished)	4"	1/2"	3/16"	Gray	Recommended	0000000	000000

Straight Oval

Novaculite—For Use On Steel
Grit (For Finish)	Lg.	Wd.	Thick.	Color	Lubrication		Each
800 (Polished)	4"	1/2"	3/16"	Gray	Recommended	0000000	000000

Straight Knife

Novaculite—For Use On Steel
Grit (For Finish)	Lg.	Wd.	Thick.	Color	Lubrication		Each
800 (Polished)	3"	1"	1/8"-1/4"	Gray	Recommended	0000000	000000

Straight Contoured

Contoured

Novaculite—For Use On Steel
Grit (For Finish)	Lg.	Wd.	Thick.	Color	Lubrication		Each
800 (Polished)	3"	1 3/4"	1/16"-1/4"	White	Recommended	000000	000000
800 (Polished)	4"	1 1/4"	1/8"-1/4"	White	Recommended	000000	00000
800 (Polished)	4"	1 3/4"	1/8"-3/8"	White	Recommended	000000	000000

Tapered Point

Novaculite—For Use On Steel
Grit (For Finish)	Lg.	Dia.	Color	Lubrication		Each
800 (Polished)	3"	1/32"-5/16"	Gray	Recommended	0000000	000000

Smoothing and Polishing Stone Sets

Knife

Round

Square

Triangular

Maintain tools, molds, and dies. These stones can be used by hand or in power tools with a compatible holder. Choose the shape that best matches the contour of your work surface. We recommend using a water-soluble or oil-based lubricant.

Novaculite stones have extremely fine grains that cut very slowly for the most control over finishing. Also known as Arkansas stones. Grit is approximate.

Novaculite—For Use On Steel
No. of Pieces	Lg.	Includes	Stone Style	Grit (For Finish)	Color	Container Type		Each
4	4"	One Square Stone—1/4" Wd. × 1/4" Thick. One Triangular Stone—1/4" Wd. One Round Stone—1/4" Dia. One Knife Stone—29/32" Wd. × 1/8"-1/4" Thick.	Straight	900 (Polished)	Off-White	Box	0000000	000000
4	6"	One Square Stone—3/8" Wd. × 3/8" Thick. One Triangular Stone—3/8" Wd. One Round Stone—3/8" Dia. One Knife Stone—29/32" Wd. × 1/8"-3/8" Thick.	Straight	900 (Polished)	Off-White	Box	0000000	00000

Single-Grit Sharpening Stones

Quickly sharpen straight-blade tools.

Novaculite has extremely fine grains that cut very slowly for the most control over sharpening. Also known as Arkansas stones.

For stones that require lubrication, we recommend using a water-soluble or oil-based lubricant..

Stone
Lg.	Wd.	Thick.	Lubrication	Choose a Grit (For Finish)		Each
Rectangular
Novaculite
4"	2"	3/4"	Required	600 (Polished), 800 (Polished)	0000000	000000
6"	2"	3/4"	Required	600 (Polished), 800 (Polished)	0000000	00000
8"	2"	3/4"	Required	600 (Polished), 800 (Polished)	0000000	00000
10"	2"	3/4"	Required	600 (Polished), 800 (Polished)	0000000	000000

Two-Grit Sharpening Stones

A different grit on each side enables two-step sharpening with one stone. First sharpen your blade with a lower grit, then sharpen again with a finer (higher) grit until the desired edge is achieved.

Aluminum oxide cuts more slowly than silicon carbide for finer control. Also known as India stones.

Novaculite has extremely fine grains that cut very slowly for the most control over sharpening. Also known as Arkansas stones.

For stones that require lubrication, we recommend using a water-soluble or oil-based lubricant.

Rectangular

Stone
Lg.	Wd.	Thick.	Grit (For Finish)	Lubrication		Each
Aluminum Oxide × Novaculite
6"	2"	1"	100 (Smooth) × 600 (Polished)	Oil Filled × Required	0000000	000000
Novaculite × Novaculite
4"	2"	1/2"	400 (Extra Smooth) × 800 (Polished)	Required × Required	0000000	00000
6"	2"	1/2"	400 (Extra Smooth) × 800 (Polished)	Required × Required	0000000	00000
8"	2"	1/2"	400 (Extra Smooth) × 800 (Polished)	Required × Required	0000000	00000
10"	2"	1/2"	400 (Extra Smooth) × 800 (Polished)	Required × Required	0000000	00000

Sharpening Stone Sets

These stones have extremely fine grains that cut very slowly for the most control over sharpening. Also known as Arkansas stones.

Rectangular
No. of Pieces	Lubrication	Includes		Each
4	Required	Polished-Finish (600 Grit) Pink Novaculite Stone for Straight Blades—4" Lg. × 1 5/8" Wd. × 1/2" Thick. Polished-Finish (800 Grit) Gray Novaculite Stone for Straight Blades—3" Lg. × 1" Wd. × 1/4" Thick. 3 oz. Oil 23° Angle Guide	0000000	000000

Three-Grit Sharpening Stones

Three separate grit surfaces enables multistep sharpening with one stone. First sharpen your blade with a lower grit, then sharpen again with progressively finer (higher) grits until the desired edge is achieved.

Stone
Lg.	Wd.	Thick.	Grit (For Finish)	Lubrication	Includes		Each
Rectangular
Silicon Carbide × Novaculite × Novaculite
6"	1 5/8"	1/2"	150 (Smooth) × 600 (Smooth) × 800 (Extra Smooth)	Required × Required × Required	1 oz. Oil	0000000	000000

Bench Diamond Sharpening Stone Sets

Diamond is extremely hard and long lasting. No lubricants needed—use these stones dry or with water. Rinse with water to clean.

Rectangular
No. of Pieces	Lubrication	Includes		Each
4	Not Required	Smooth-Finish (220 Grit) Diamond Stone for Straight Blades—3 3/8" Diamond Surface Lg. × 7/8" Diamond Surface Wd. × 4 1/4" O'all Lg. Extra-Smooth-Finish (325 Grit) Diamond Stone for Straight Blades—3 3/8" Diamond Surface Lg. × 7/8" Diamond Surface Wd. × 4 1/4" O'all Lg. Polished-Finish (600 Grit) Diamond Stone for Straight Blades—3 3/8" Diamond Surface Lg. × 7/8" Diamond Surface Wd. × 4 1/4" O'all Lg. Polished-Finish (1200 Grit) Diamond Stone for Straight Blades—3 3/8" Diamond Surface Lg. × 7/8" Diamond Surface Wd. × 4 1/4" O'all Lg.	0000000	000000

Hand-Held Diamond Sharpening Stone Sets

Diamond is extremely hard and long lasting. No lubricants needed—use these stones dry or with water. Rinse with water to clean.

Rectangular
No. of Pieces	Lubrication	Includes	Handle Material		Each
6	Not Required	4" Lg. Coarse Diamond Stone (325 Grit) for Straight Blades 4" Lg. Fine Diamond Stone (600 Grit) for Straight Blades 4" Lg. Fine Diamond Stone (600 Grit) for Serrated Blades 4" Lg. Extra-Fine Diamond Stone (1200 Grit) for Straight Blades Adjustable-Angle Guide Blade Holder	Plastic	0000000	000000

Small-Hole Lap Sets

For holes up to 1/4", these laps include an expander tool to increase the size to fit a slightly larger ID. Use them with lapping paste to precisely size or polish the inside of the hole.

For Open-End Holes
No. of Pieces	Includes	Material		Each
18	Lap for 0.032" ID—2 1/2" O'all Lg. × 3/8" Barrel Lg. Lap for 0.036" ID—2 1/2" O'all Lg. × 3/8" Barrel Lg. Lap for 0.04" ID—2 1/2" O'all Lg. × 3/8" Barrel Lg. Lap for 0.046" ID—2 1/2" O'all Lg. × 3/8" Barrel Lg. Lap for 0.054" ID—2 1/2" O'all Lg. × 3/8" Barrel Lg. Lap for 0.062" ID—3" O'all Lg. × 1/2" Barrel Lg. Lap for 0.07" ID—3" O'all Lg. × 1/2" Barrel Lg. Lap for 0.079" ID—3" O'all Lg. × 1/2" Barrel Lg. Lap for 0.09" ID—3" O'all Lg. × 1/2" Barrel Lg. Lap for 0.104" ID—3 1/4" O'all Lg. × 5/8" Barrel Lg. Lap for 0.12" ID—3 7/8" O'all Lg. × 7/8" Barrel Lg. Lap for 0.135" ID—3 1/4" O'all Lg. × 3/4" Barrel Lg. Lap for 0.155" ID—3 1/4" O'all Lg. × 1" Barrel Lg. Lap for 0.17" ID—4 1/4" O'all Lg. × 1" Barrel Lg. Lap for 0.187" ID—4" O'all Lg. × 7/8" Barrel Lg. Lap for 0.218" ID—4 1/8" O'all Lg. × 1 1/4" Barrel Lg. Lap for 0.25" ID—4" O'all Lg. × 1 1/2" Barrel Lg. Expander Tool	Steel	0000000	000000

Small-Hole Laps

Lap with Expander

For holes up to 1/4", these laps include an expander tool to increase the size to fit a slightly larger ID. Use them with lapping paste to precisely size or polish the inside of the hole.

For Open-End Holes
For ID	Overall Lg.	Barrel Lg.	Material	Includes	Pkg. Qty.		Pkg.
0.032"	2 1/2"	3/8"	Steel	Expander Tool	12	0000000	00000
0.036"	2 1/2"	3/8"	Steel	Expander Tool	12	0000000	0000
0.04"	2 1/2"	3/8"	Steel	Expander Tool	12	0000000	0000
0.046"	2 1/2"	3/8"	Steel	Expander Tool	12	0000000	0000
0.054"	2 1/2"	3/8"	Steel	Expander Tool	12	0000000	0000
0.062"	3"	1/2"	Steel	Expander Tool	12	0000000	0000
0.07"	3"	1/2"	Steel	Expander Tool	12	0000000	0000
0.079"	3"	1/2"	Steel	Expander Tool	12	0000000	0000
0.09"	3"	1/2"	Steel	Expander Tool	12	0000000	00000
0.104"	3 1/4"	5/8"	Steel	Expander Tool	12	0000000	00000
0.12"	3 7/8"	7/8"	Steel	Expander Tool	12	0000000	00000
0.135"	3 1/4"	3/4"	Steel	Expander Tool	12	0000000	00000
0.155"	3 1/4"	1"	Steel	Expander Tool	12	0000000	00000
0.17"	4 1/4"	1"	Steel	Expander Tool	12	0000000	00000
0.187"	4"	7/8"	Steel	Expander Tool	12	0000000	00000
0.218"	4 1/8"	1 1/4"	Steel	Expander Tool	12	0000000	00000
0.25"	4"	1 1/2"	Steel	Expander Tool	12	0000000	00000

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