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.

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.

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