Two-Way Ground Parallels

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Sets of Parallels

Keep multiple sizes of matched pairs on hand in one protective case. These parallels elevate, support, and align workpieces in machining, grinding, and inspection setups. They are precision ground to ensure accurate positioning in vises while providing additional clearance for cutting tools. Durable and wear resistant, parallels are made of hardened steel. They’re a rugged solution for shop-floor setups and heavy duty applications. To use, place a parallel against each vise jaw and rest the workpiece on top. You can also use them as reference surfaces for measurement and alignment.

Inch


Straight	Wave

Wave—These parallels make continuous contact that's spread across multiple points. They support thin, irregular, and soft workpieces without damaging them. The wave shape also creates space for chips and debris to fall away.

2 Precision-Ground Sides—Precision ground on the top and bottom edges.

					Tolerance
	No. of Pairs	Lg.	Thk.	Ht.	Ht.	Parallel	Material	Container Type		Each
Straight







				2 Precision-Ground Sides

				4	6"	3/16"	1", 1 1/4", 1 1/2", 1 3/4"	-0.0002" to 0.0002"	-0.0002" to 0.0002"	Hardened Steel	Wood Case	0000000	000000


				4	6"	1/2"	1", 1 1/4", 1 1/2", 1 3/4"	-0.0002" to 0.0002"	-0.0002" to 0.0002"	Hardened Steel	Wood Case	0000000	00000
				7	6"	1/2"	7/8", 1", 1 1/8", 1 1/4", 1 3/8", 1 5/8", 1 3/4"	-0.0002" to 0.0002"	-0.0002" to 0.0002"	Hardened Steel	Wood Case	0000000	000000
				8	6"	1/4"	3/4", 7/8", 1", 1 1/8", 1 3/8", 1 1/2", 1 5/8", 1 3/4"	-0.0002" to 0.0002"	-0.0002" to 0.0002"	Hardened Steel	Plastic Case	0000000	000000
				9	6"	1/4"	3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	Wood Case	0000000	000000
				9	6"	1/4"	15/16", 1", 1 1/16", 1 1/8", 1 3/16", 1 1/4", 1 5/16", 1 3/8", 1 7/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	Wood Case	0000000	000000
				10	6"	1/8"	1/2", 5/8", 3/4", 7/8", 1", 1 1/8", 1 1/4", 1 3/8", 1 1/2", 1 5/8"	-0.001" to 0.001"	-0.0004" to 0.0004"	Hardened Steel	Plastic Case	00000000	000000
				20	6"	1/32"	1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1 1/16", 1 1/8", 1 3/16", 1 1/4", 1 5/16", 1 3/8", 1 7/16", 1 1/2", 1 9/16", 1 5/8", 1 11/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	Plastic Case	000000	00000
				22	6"	1/4"	1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1 1/16", 1 1/8", 1 3/16", 1 1/4", 1 5/16", 1 3/8", 1 7/16", 1 1/2", 1 9/16", 1 5/8", 1 11/16", 1 3/4", 1 13/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	Wood Case	0000000	00000000


				Wave







								2 Precision-Ground Sides

								9	4 1/4"	1/8"	1/2", 5/8", 3/4", 7/8", 1", 1 1/8", 1 1/4", 1 3/8", 1 1/2"	-0.0002" to 0.0002"	-0.0002" to 0.0002"	Hardened Steel	Wood Case	00000000	000000

Metric

Straight

2 Precision-Ground Sides—Precision ground on the top and bottom edges.

					Tolerance, mm
	No. of Pairs	Lg., mm	Thk.	Ht.	Ht.	Parallel	Material	Container Type		Each
Straight







				2 Precision-Ground Sides

				20	100	2 mm 3 mm 4 mm 5 mm 6 mm	5 mm, 10 mm, 15 mm, 20 mm 6 mm, 11 mm, 16 mm, 21 mm 7 mm, 12 mm, 17 mm, 22 mm 8 mm, 13 mm, 18 mm, 23 mm 9 mm, 14 mm, 19 mm, 24 mm	-0.1 to 0.1	-0.01 to 0.01	Hardened Steel	Wood Stand	0000000	000000000

Parallels

Elevate, support, and align workpieces in machining, grinding, and inspection setups. These parallels are precision ground to ensure accurate positioning in vises while providing additional clearance for cutting tools. Made of hardened steel, they withstand the wear and tear of shop-floor setups and heavy duty applications. To use, place a parallel against each vise jaw and rest the workpiece on top. You can also use these parallels as reference surfaces for measurement and alignment.

2 Precision-Ground Sides—Precision ground on the top and bottom edges.

				Tolerance
	Lg.	Thk.	Ht.	Ht.	Parallel	Material		Pair







				2 Precision-Ground Sides

				6"	1/32"	1/2"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	000000


				6"	1/32"	9/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/32"	5/8"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/32"	11/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/32"	3/4"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/32"	13/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/32"	7/8"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/32"	15/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/32"	1"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/32"	1 1/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/32"	1 1/8"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000


				6"	1/32"	1 3/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/32"	1 1/4"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/32"	1 5/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/32"	1 3/8"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/32"	1 7/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/32"	1 1/2"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/32"	1 9/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/32"	1 5/8"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/32"	1 11/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/8"	1/2"	-0.001" to 0.001"	-0.0002" to 0.0002"	Hardened Steel	00000000	00000


				6"	1/8"	5/8"	-0.001" to 0.001"	-0.0002" to 0.0002"	Hardened Steel	00000000	00000
				6"	1/8"	3/4"	-0.001" to 0.001"	-0.0002" to 0.0002"	Hardened Steel	00000000	00000
				6"	1/8"	7/8"	-0.001" to 0.001"	-0.0002" to 0.0002"	Hardened Steel	00000000	00000
				6"	1/8"	1"	-0.001" to 0.001"	-0.0002" to 0.0002"	Hardened Steel	00000000	00000
				6"	1/8"	1 1/8"	-0.001" to 0.001"	-0.0002" to 0.0002"	Hardened Steel	00000000	00000
				6"	1/8"	1 1/4"	-0.001" to 0.001"	-0.0002" to 0.0002"	Hardened Steel	00000000	00000
				6"	1/8"	1 3/8"	-0.001" to 0.001"	-0.0002" to 0.0002"	Hardened Steel	00000000	00000
				6"	1/8"	1 1/2"	-0.001" to 0.001"	-0.0002" to 0.0002"	Hardened Steel	00000000	00000
				6"	1/8"	1 5/8"	-0.001" to 0.001"	-0.0002" to 0.0002"	Hardened Steel	00000000	00000
				6"	1/4"	3/8"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	0000000	00000


				6"	1/4"	7/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/4"	1/2"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	0000000	00000
				6"	1/4"	9/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	0000000	00000
				6"	1/4"	5/8"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/4"	11/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/4"	3/4"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	0000000	00000
				6"	1/4"	13/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/4"	7/8"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	0000000	00000
				6"	1/4"	15/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
				6"	1/4"	1"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	0000000	00000


				6"	1/4"	1 1/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	0000000	00000
				6"	1/4"	1 1/8"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	0000000	00000
				6"	1/4"	1 3/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	0000000	00000
				6"	1/4"	1 1/4"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	000000	00000
6"				1/4"	1 5/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
6"	1/4"			1 3/8"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	0000000	00000
6"	1/4"			1 7/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
6"	1/4"			1 1/2"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	0000000	00000
6"	1/4"			1 9/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	0000000	00000
6"	1/4"	1 5/8"		-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	0000000	00000
6"	1/4"	1 11/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	00000000	00000
6"	1/4"	1 3/4"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	0000000	00000
6"	1/4"	1 13/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	0000000	00000
6"	1/4"	1 7/8"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	0000000	00000
6"	1/4"	1 15/16"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	0000000	00000
6"	1/4"	2"	-0.001" to 0.001"	-0.0001" to 0.0001"	Hardened Steel	0000000	00000