DIN 6321 Locating Pins | McMaster-Carr

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Locating Pin Head Type

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Locating Pins

Round Head

Diamond Head

Install these pins in a plate or table and mate with holes in a workpiece for precise alignment. Press the shank into a drilled hole for permanent installation.

Diamond-head pins make less contact with the inside of a hole than round-head pins to reduce sticking and jamming.

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

Metric

				Tolerance
Dia. (A), mm	Ht. (B), mm	Shank Dia. (C), mm	O'all Ht., mm	Head Dia., mm	Shank Dia., mm	Material	Hardness	Specifications Met		Each
Round Head
6	7	4	13	-0.012 to -0.004	0.008 to 0.016	Steel	Rockwell C54	DIN 6321	00000000	000000
8	10	6	19	-0.014 to -0.005	0.008 to 0.016	Steel	Rockwell C54	DIN 6321	00000000	00000
10	10	6	19	-0.014 to -0.005	0.008 to 0.016	Steel	Rockwell C54	DIN 6321	00000000	00000
12	10	6	19	-0.017 to -0.006	0.008 to 0.016	Steel	Rockwell C54	DIN 6321	00000000	00000
16	13	8	25	-0.017 to -0.006	0.01 to 0.019	Steel	Rockwell C54	DIN 6321	00000000	0000
20	15	12	33	-0.02 to -0.007	0.012 to 0.023	Steel	Rockwell C54	DIN 6321	00000000	0000
25	15	12	33	-0.02 to -0.007	0.012 to 0.023	Steel	Rockwell C54	DIN 6321	00000000	00000
Diamond Head
6	7	4	13	-0.012 to -0.004	0.008 to 0.016	Steel	Rockwell C54	DIN 6321	00000000	00000
8	10	6	19	-0.014 to -0.005	0.008 to 0.016	Steel	Rockwell C54	DIN 6321	00000000	00000
10	10	6	19	-0.014 to -0.005	0.008 to 0.016	Steel	Rockwell C54	DIN 6321	00000000	00000
12	10	6	19	-0.017 to -0.006	0.008 to 0.016	Steel	Rockwell C54	DIN 6321	00000000	00000
16	13	8	25	-0.017 to -0.006	0.01 to 0.019	Steel	Rockwell C54	DIN 6321	00000000	00000
20	15	12	33	-0.02 to -0.007	0.012 to 0.023	Steel	Rockwell C54	DIN 6321	00000000	00000
25	15	12	33	-0.02 to -0.007	0.012 to 0.023	Steel	Rockwell C54	DIN 6321	00000000	00000

Press-Fit Locating and Support Buttons

Support and position workpieces and fixtures from the bottom or side. These buttons press into a drilled hole for permanent installation. Also known as rest buttons.

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

Metric

		Stud		Tolerance
Dia., mm	Lg., mm	Dia., mm	Lg., mm	Lg., mm	Stud Dia., mm	Specifications Met		Each
Steel
6	5	4	6	-0.03 to 0	0 to 0.02	DIN 6321	0000000	000000
10	6	6	9	-0.03 to 0	0 to 0.02	DIN 6321	0000000	00000
16	8	8	12	-0.036 to 0	0 to 0.04	DIN 6321	0000000	00000
25	10	12	18	-0.036 to 0	0 to 0.04	DIN 6321	0000000	00000