ISO 2338-h8 Dowel Pins | McMaster-Carr

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96 Products

Undersized Dowel Pins

You don’t need to create precise holes for these pins when aligning parts you plan to bolt together. They have a slightly undersized diameter to slip into place without the need for special installation tools, like an arbor press. Undersized pins are also used for prototyping and positioning components you need to assemble and disassemble frequently.

Steel

Machinable Carbon Steel—Made of 12L14 carbon steel, these pins are the easiest to machine, so you can shape them if they don't quite match your hole dimensions. Stronger than stainless steel but not quite as strong as alloy steel, they won't deform from stress and vibration. Pins perform best in dry environments since moisture will cause them to rust.

	Lg., mm	Dia. Tolerance, mm	Double Shear Breaking Strength	Min. Hardness	Specs. Met	Pkg. Qty.		Pkg.
Machinable Carbon Steel





				2 mm Diameter

				4	-0.014 to 0	Not Rated	Rockwell B68	ISO 2338-h8	100	97049A201	00000
				6	-0.014 to 0	Not Rated	Rockwell B68	ISO 2338-h8	100	97049A202	0000
				8	-0.014 to 0	Not Rated	Rockwell B68	ISO 2338-h8	100	97049A203	0000
				10	-0.014 to 0	Not Rated	Rockwell B68	ISO 2338-h8	100	97049A204	0000




						3 mm Diameter

						6	-0.014 to 0	Not Rated	Rockwell B68	ISO 2338-h8	100	97049A205	00000
						8	-0.014 to 0	Not Rated	Rockwell B68	ISO 2338-h8	100	97049A206	00000
						10	-0.014 to 0	Not Rated	Rockwell B68	ISO 2338-h8	100	97049A207	00000
						12	-0.014 to 0	Not Rated	Rockwell B68	ISO 2338-h8	100	97049A208	00000
						16	-0.014 to 0	Not Rated	Rockwell B68	ISO 2338-h8	50	97049A329	00000
						20	-0.014 to 0	Not Rated	Rockwell B68	ISO 2338-h8	50	97049A330	00000




								4 mm Diameter

								8	-0.018 to 0	Not Rated	Rockwell B68	ISO 2338-h8	100	97049A209	00000
								10	-0.018 to 0	Not Rated	Rockwell B68	ISO 2338-h8	100	97049A211	00000
								12	-0.018 to 0	Not Rated	Rockwell B68	ISO 2338-h8	50	97049A212	00000
								14	-0.018 to 0	Not Rated	Rockwell B68	ISO 2338-h8	50	97049A331	0000
								16	-0.018 to 0	Not Rated	Rockwell B68	ISO 2338-h8	50	97049A213	00000
								20	-0.018 to 0	Not Rated	Rockwell B68	ISO 2338-h8	50	97049A332	0000




										5 mm Diameter

										10	-0.018 to 0	Not Rated	Rockwell B68	ISO 2338-h8	50	97049A333	00000
										12	-0.018 to 0	Not Rated	Rockwell B68	ISO 2338-h8	50	97049A214	00000
										14	-0.018 to 0	Not Rated	Rockwell B68	ISO 2338-h8	50	97049A334	00000
										16	-0.018 to 0	Not Rated	Rockwell B68	ISO 2338-h8	50	97049A215	00000
										20	-0.018 to 0	Not Rated	Rockwell B68	ISO 2338-h8	50	97049A216	00000




												6 mm Diameter

												12	-0.018 to 0	Not Rated	Rockwell B68	ISO 2338-h8	50	97049A217	00000
												16	-0.018 to 0	Not Rated	Rockwell B68	ISO 2338-h8	50	97049A218	00000
												20	-0.018 to 0	Not Rated	Rockwell B68	ISO 2338-h8	50	97049A219	00000
												24	-0.018 to 0	Not Rated	Rockwell B68	ISO 2338-h8	50	97049A221	00000




														8 mm Diameter

														16	-0.022 to 0	Not Rated	Rockwell B68	ISO 2338-h8	25	97049A222	00000
														18	-0.022 to 0	Not Rated	Rockwell B68	ISO 2338-h8	25	97049A223	00000
20														-0.022 to 0	Not Rated	Rockwell B68	ISO 2338-h8	25	97049A224	00000
24	-0.022 to 0													Not Rated	Rockwell B68	ISO 2338-h8	25	97049A225	00000
30	-0.022 to 0													Not Rated	Rockwell B68	ISO 2338-h8	10	97049A335	0000




		10 mm Diameter

		20	-0.022 to 0											Not Rated	Rockwell B68	ISO 2338-h8	5	97049A226	0000
		24	-0.022 to 0											Not Rated	Rockwell B68	ISO 2338-h8	5	97049A227	0000
		30	-0.022 to 0											Not Rated	Rockwell B68	ISO 2338-h8	5	97049A336	0000
		32	-0.022 to 0											Not Rated	Rockwell B68	ISO 2338-h8	5	97049A228	0000
		40	-0.022 to 0											Not Rated	Rockwell B68	ISO 2338-h8	5	97049A229	0000




				12 mm Diameter

				30	-0.027 to 0									Not Rated	Rockwell B68	ISO 2338-h8	5	97049A231	00000
				40	-0.027 to 0									Not Rated	Rockwell B68	ISO 2338-h8	5	97049A232	0000
				50	-0.027 to 0									Not Rated	Rockwell B68	ISO 2338-h8	5	97049A233	00000

Corrosion-Resistant Stainless Steel

18-8 Stainless Steel—The choice for wet and outdoor environments. In addition to resisting rust, these pins also withstand mild chemicals such as cleaners and degreasers. They are strong enough to join most components but won't withstand extreme stress and vibration as well as steel.

	Lg., mm	Dia. Tolerance, mm	Double Shear Breaking Strength	Min. Hardness	Specs. Met	Pkg. Qty.		Pkg.
18-8 Stainless Steel





				1 mm Diameter

				4	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	100	97049A301	000000
				5	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	100	97049A302	00000
				6	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	100	97049A303	00000




						1.5 mm Diameter

						4	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	50	97049A304	0000
						5	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	50	97049A305	0000
						6	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	50	97049A306	0000
						8	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	50	97049A307	0000
						10	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	50	97049A308	0000




								2 mm Diameter

								4	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	100	97049A101	00000
								5	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	50	97049A309	0000
								6	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	100	97049A102	00000
								8	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	100	97049A103	00000
								10	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	100	97049A104	00000
								12	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	50	97049A310	00000
								16	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	50	97049A311	00000




										2.5 mm Diameter

										6	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	50	97049A312	00000
										8	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	50	97049A313	00000
										10	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	50	97049A314	00000




												3 mm Diameter

												5	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	50	97049A315	00000
												6	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	100	97049A105	00000
												8	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	50	97049A106	00000
												10	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	50	97049A107	00000
												12	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	50	97049A108	00000
												14	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	50	97049A316	00000
												16	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	50	97049A317	00000
												20	-0.014 to 0	Not Rated	Rockwell B95	ISO 2338-h8	25	97049A318	0000




														4 mm Diameter

														6	-0.018 to 0	Not Rated	Rockwell B95	ISO 2338-h8	25	97049A319	0000
8														-0.018 to 0	Not Rated	Rockwell B95	ISO 2338-h8	50	97049A109	00000
10	-0.018 to 0													Not Rated	Rockwell B95	ISO 2338-h8	50	97049A111	00000
12	-0.018 to 0													Not Rated	Rockwell B95	ISO 2338-h8	50	97049A112	00000
14	-0.018 to 0	Not Rated												Rockwell B95	ISO 2338-h8	25	97049A320	0000
16	-0.018 to 0	Not Rated	Rockwell B95											ISO 2338-h8	50	97049A113	00000
20	-0.018 to 0	Not Rated	Rockwell B95											ISO 2338-h8	25	97049A321	00000




		5 mm Diameter

		8	-0.018 to 0											Not Rated	Rockwell B95	ISO 2338-h8	25	97049A322	0000
		10	-0.018 to 0	Not Rated										Rockwell B95	ISO 2338-h8	25	97049A323	00000
		12	-0.018 to 0	Not Rated	Rockwell B95									ISO 2338-h8	25	97049A114	00000
		14	-0.018 to 0	Not Rated	Rockwell B95									ISO 2338-h8	25	97049A324	0000
		16	-0.018 to 0	Not Rated	Rockwell B95									ISO 2338-h8	25	97049A115	00000
		20	-0.018 to 0	Not Rated	Rockwell B95									ISO 2338-h8	25	97049A116	00000




				6 mm Diameter

				10	-0.018 to 0									Not Rated	Rockwell B95	ISO 2338-h8	10	97049A325	0000
				12	-0.018 to 0	Not Rated								Rockwell B95	ISO 2338-h8	25	97049A117	00000
				14	-0.018 to 0	Not Rated	Rockwell B95							ISO 2338-h8	10	97049A326	0000
				16	-0.018 to 0	Not Rated	Rockwell B95							ISO 2338-h8	25	97049A118	00000
				18	-0.018 to 0	Not Rated	Rockwell B95							ISO 2338-h8	10	97049A327	0000
				20	-0.018 to 0	Not Rated	Rockwell B95							ISO 2338-h8	25	97049A119	00000
				24	-0.018 to 0	Not Rated	Rockwell B95							ISO 2338-h8	5	97049A121	0000
				30	-0.018 to 0	Not Rated	Rockwell B95							ISO 2338-h8	10	97049A328	00000




						8 mm Diameter

						16	-0.022 to 0							Not Rated	Rockwell B95	ISO 2338-h8	5	97049A122	0000
						18	-0.022 to 0	Not Rated						Rockwell B95	ISO 2338-h8	5	97049A123	0000
						20	-0.022 to 0	Not Rated	Rockwell B95					ISO 2338-h8	5	97049A124	0000
						24	-0.022 to 0	Not Rated	Rockwell B95					ISO 2338-h8	5	97049A125	00000




								10 mm Diameter

								20	-0.022 to 0					Not Rated	Rockwell B95	ISO 2338-h8	5	97049A126	0000
								24	-0.022 to 0	Not Rated				Rockwell B95	ISO 2338-h8	5	97049A127	00000
								32	-0.022 to 0	Not Rated	Rockwell B95			ISO 2338-h8	5	97049A128	00000
								40	-0.022 to 0	Not Rated	Rockwell B95			ISO 2338-h8	5	97049A129	00000




										12 mm Diameter

										30	-0.027 to 0			Not Rated	Rockwell B95	ISO 2338-h8	5	97049A131	00000
										40	-0.027 to 0			Not Rated	Rockwell B95	ISO 2338-h8	1	97049A132	0000
										50	-0.027 to 0			Not Rated	Rockwell B95	ISO 2338-h8	1	97049A133	0000