Oversized Pins | McMaster-Carr

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158 Products

Oversized Dowel Pins

These pins are slightly oversized to fit worn, enlarged holes where standard pins would be too loose. They’re typically used to replace dowel pins that no longer fit snugly.

Steel

High-Strength Alloy Steel—Our strongest, most wear-resistant pins, these won't bend or break from vibration. Use them for high-stress applications, such as mounting and aligning hydraulic cylinders and injection molds. They perform best in dry environments since moisture will cause them to rust.

				0.001" Oversize				0.002" Oversize
	Lg.	Double Shear Breaking Strength	Min. Hardness	Dia. Tolerance	Pkg. Qty.		Pkg.	Dia. Tolerance	Pkg. Qty.		Pkg.
High-Strength Alloy Steel







				1/16" Diameter

				1/4"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A120	000000	—	—	———	0


				5/16"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A123	00000	—	—	———	0
				3/8"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A126	00000	—	—	———	0
				1/2"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A129	00000	—	—	———	0
				5/8"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A132	00000	—	—	———	0
				3/4"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A135	00000	—	—	———	0




						3/32" Diameter

						1/4"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A141	00000	—	—	———	0


						5/16"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A144	00000	—	—	———	0
						3/8"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A147	00000	—	—	———	0
						1/2"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A150	00000	—	—	———	0
						5/8"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A153	00000	—	—	———	0
						3/4"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A165	00000	—	—	———	0




								1/8" Diameter

								3/8"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A170	00000	0.0019" to 0.0021"	10	98985A211	000000


								1/2"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A171	00000	0.0019" to 0.0021"	10	98985A214	00000
								5/8"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A172	00000	0.0019" to 0.0021"	10	98985A217	00000
								3/4"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A173	00000	0.0019" to 0.0021"	10	98985A221	00000
								1"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A175	00000	0.0019" to 0.0021"	10	98985A225	00000
								1 1/4"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A179	00000	0.0019" to 0.0021"	10	98985A229	00000
								1 1/2"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A183	00000	0.0019" to 0.0021"	10	98985A232	00000




										3/16" Diameter

										1/2"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A205	00000	0.0019" to 0.0021"	10	98985A309	00000


										5/8"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A207	00000	0.0019" to 0.0021"	10	98985A312	00000
										3/4"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A208	00000	0.0019" to 0.0021"	10	98985A315	00000
										1"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A210	00000	0.0019" to 0.0021"	10	98985A319	00000
										1 1/4"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A212	00000	0.0019" to 0.0021"	5	98985A323	0000
										1 1/2"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A214	00000	0.0019" to 0.0021"	5	98985A329	0000
										2"	Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A216	00000	0.0019" to 0.0021"	5	98985A333	00000




	1/4" Diameter

	1/2"										Not Rated	Rockwell C60	0.0009" to 0.0012"	25	98385A237	00000	0.0019" to 0.0021"	10	98985A408	00000


	5/8"	Not Rated									Rockwell C60	0.0009" to 0.0012"	25	98385A238	00000	0.0019" to 0.0021"	10	98985A411	00000
	3/4"	Not Rated	Rockwell C60								0.0009" to 0.0012"	25	98385A240	00000	0.0019" to 0.0021"	10	98985A414	00000
	1"	Not Rated	Rockwell C60								0.0009" to 0.0012"	25	98385A242	00000	0.0019" to 0.0021"	5	98985A418	0000
	1 1/4"	Not Rated	Rockwell C60								0.0009" to 0.0012"	25	98385A244	00000	0.0019" to 0.0021"	5	98985A422	0000
	1 1/2"	Not Rated	Rockwell C60								0.0009" to 0.0012"	25	98385A246	00000	0.0019" to 0.0021"	5	98985A427	00000
	2"	Not Rated	Rockwell C60								0.0009" to 0.0012"	25	98385A250	00000	0.0019" to 0.0021"	5	98985A431	00000
	2 1/2"	Not Rated	Rockwell C60								0.0009" to 0.0012"	10	98385A254	00000	—	—	———	0




			5/16" Diameter

			1/2"								Not Rated	Rockwell C60	0.0009" to 0.0012"	20	98385A279	00000	—	—	———	0


			3/4"	Not Rated	Rockwell C60						0.0009" to 0.0012"	20	98385A281	00000	0.0019" to 0.0021"	5	98985A501	0000
			1"	Not Rated	Rockwell C60						0.0009" to 0.0012"	20	98385A283	00000	0.0019" to 0.0021"	5	98985A505	0000
			1 1/4"	Not Rated	Rockwell C60						0.0009" to 0.0012"	20	98385A285	00000	0.0019" to 0.0021"	5	98985A508	00000
			1 1/2"	Not Rated	Rockwell C60						0.0009" to 0.0012"	20	98385A287	00000	0.0019" to 0.0021"	5	98985A512	00000
			2"	Not Rated	Rockwell C60						0.0009" to 0.0012"	20	98385A291	00000	0.0019" to 0.0021"	5	98985A515	00000
			2 1/2"	Not Rated	Rockwell C60						0.0009" to 0.0012"	10	98385A293	00000	0.0019" to 0.0021"	5	98985A519	00000
			3"	Not Rated	Rockwell C60						0.0009" to 0.0012"	10	98385A295	00000	—	—	———	0




					3/8" Diameter

					3/4"						Not Rated	Rockwell C60	0.0009" to 0.0012"	10	98385A622	00000	0.0019" to 0.0021"	5	98985A606	00000


					1"	Not Rated	Rockwell C60				0.0009" to 0.0012"	10	98385A624	00000	0.0019" to 0.0021"	5	98985A610	00000
					1 1/4"	Not Rated	Rockwell C60				0.0009" to 0.0012"	10	98385A626	00000	0.0019" to 0.0021"	5	98985A614	00000
					1 1/2"	Not Rated	Rockwell C60				0.0009" to 0.0012"	10	98385A628	00000	0.0019" to 0.0021"	5	98985A619	00000
					2"	Not Rated	Rockwell C60				0.0009" to 0.0012"	10	98385A632	00000	0.0019" to 0.0021"	5	98985A621	00000
					2 1/2"	Not Rated	Rockwell C60				0.0009" to 0.0012"	5	98385A634	00000	0.0019" to 0.0021"	5	98985A625	00000
					3"	Not Rated	Rockwell C60				0.0009" to 0.0012"	5	98385A636	00000	0.0019" to 0.0021"	5	98985A628	00000




							7/16" Diameter

							1"				Not Rated	Rockwell C60	0.0009" to 0.0012"	5	98385A651	00000	—	—	———	0


							1 1/2"	Not Rated	Rockwell C60		0.0009" to 0.0012"	5	98385A654	00000	—	—	———	0
							2"	Not Rated	Rockwell C60		0.0009" to 0.0012"	5	98385A658	00000	—	—	———	0
							2 1/2"	Not Rated	Rockwell C60		0.0009" to 0.0012"	5	98385A662	00000	—	—	———	0
							3"	Not Rated	Rockwell C60		0.0009" to 0.0012"	5	98385A665	00000	—	—	———	0




									1/2" Diameter

									1"		Not Rated	Rockwell C60	0.0009" to 0.0012"	5	98385A712	00000	0.0019" to 0.0021"	5	98985A711	00000


1 1/4"									Not Rated		Rockwell C60	0.0009" to 0.0012"	5	98385A714	00000	0.0019" to 0.0021"	5	98985A716	00000
1 1/2"									Not Rated		Rockwell C60	0.0009" to 0.0012"	5	98385A716	00000	0.0019" to 0.0021"	5	98985A721	00000
2"									Not Rated	Rockwell C60	0.0009" to 0.0012"	5	98385A720	00000	0.0019" to 0.0021"	1	98985A726	0000
2 1/2"									Not Rated	Rockwell C60	0.0009" to 0.0012"	5	98385A722	00000	0.0019" to 0.0021"	1	98985A731	0000
3"									Not Rated	Rockwell C60	0.0009" to 0.0012"	5	98385A724	00000	0.0019" to 0.0021"	1	98985A735	0000
3 1/2"									Not Rated	Rockwell C60	0.0009" to 0.0012"	5	98385A728	00000	—	—	———	0
4"									Not Rated	Rockwell C60	0.0009" to 0.0012"	5	98385A732	00000	—	—	———	0




										5/8" Diameter

	1 1/4"									Not Rated	Rockwell C60	0.0009" to 0.0012"	5	98385A741	00000	—	—	———	0


	1 1/2"	Not Rated								Rockwell C60	0.0009" to 0.0012"	5	98385A745	00000	—	—	———	0
	1 3/4"	Not Rated								Rockwell C60	0.0009" to 0.0012"	5	98385A749	00000	—	—	———	0
	2"	Not Rated								Rockwell C60	0.0009" to 0.0012"	5	98385A753	00000	—	—	———	0
	2 1/2"	Not Rated								Rockwell C60	0.0009" to 0.0012"	5	98385A757	00000	—	—	———	0
	3"	Not Rated								Rockwell C60	0.0009" to 0.0012"	5	98385A761	00000	—	—	———	0




										3/4" Diameter

										2"	Not Rated	Rockwell C60	0.0009" to 0.0012"	5	98385A771	00000	—	—	———	0


			2 1/2"	Not Rated						Rockwell C60	0.0009" to 0.0012"	1	98385A778	0000	—	—	———	0
			3"	Not Rated						Rockwell C60	0.0009" to 0.0012"	1	98385A779	0000	—	—	———	0
			3 1/2"	Not Rated						Rockwell C60	0.0009" to 0.0012"	1	98385A783	0000	—	—	———	0
			4"	Not Rated						Rockwell C60	0.0009" to 0.0012"	1	98385A787	00000	—	—	———	0

Corrosion-Resistant Stainless Steel About 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.

				0.001" Oversize
	Lg.	Double Shear Breaking Strength	Min. Hardness	Dia. Tolerance		Each
18-8 Stainless Steel







				1/8" Diameter

				3/8"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A111	00000


				1/2"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A115	0000
				5/8"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A119	0000
				3/4"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A123	0000
				1"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A127	0000




						3/16" Diameter

						1/2"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A145	0000


						5/8"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A149	0000
						3/4"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A153	0000
						1"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A157	0000
						1 1/4"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A161	0000
						1 1/2"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A165	0000
						2"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A169	0000




								1/4" Diameter

								1/2"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A181	0000


								3/4"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A185	0000
								1"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A189	0000
								1 1/4"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A193	0000
								1 1/2"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A197	0000
								2"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A201	0000




										5/16" Diameter

										3/4"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A261	0000


										1"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A265	0000
										1 1/4"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A269	0000
										1 1/2"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A273	0000
										2"	Not Rated	Not Rated	0.0009" to 0.0012"	99010A277	0000




												3/8" Diameter

3/4"												Not Rated	Not Rated	0.0009" to 0.0012"	99010A295	0000


1"	Not Rated											Not Rated	0.0009" to 0.0012"	99010A299	0000
1 1/4"	Not Rated											Not Rated	0.0009" to 0.0012"	99010A303	0000
1 1/2"	Not Rated	Not Rated										0.0009" to 0.0012"	99010A307	0000
2"	Not Rated	Not Rated	0.0009" to 0.0012"									99010A311	0000




		1/2" Diameter

		1"	Not Rated									Not Rated	0.0009" to 0.0012"	99010A334	0000


		1 1/4"	Not Rated									Not Rated	0.0009" to 0.0012"	99010A337	0000
		1 1/2"	Not Rated									Not Rated	0.0009" to 0.0012"	99010A341	0000
		2"	Not Rated									Not Rated	0.0009" to 0.0012"	99010A345	0000
		2 1/2"	Not Rated	Not Rated								0.0009" to 0.0012"	99010A349	0000
		3"	Not Rated	Not Rated	0.0009" to 0.0012"							99010A353	0000

Oversized Ejector Pins

To fit in holes that have widened from wear and are too big for standard ejector pins, these pins are oversized. Also known as knockout and forged pins, they’re used to push parts out of molds. These pins are H13 tool steel, so they resist rapid changes in temperature. They’re hardened for strength and wear resistance and precision ground to tight tolerances. Machining is not recommended.

Nitride-Coated H13 Tool Steel

		Head
Dia.	Dia. Tolerance	Dia.	Ht.	Min. Hardness		Each







			10" Long

			3/32"	0.0042" to 0.0045"	1/4"	1/8"	Rockwell C41	90458A114	00000


			1/8"	0.0042" to 0.0045"	1/4"	1/8"	Rockwell C41	90458A115	0000
			9/64"	0.0042" to 0.0045"	1/4"	1/8"	Rockwell C41	90458A102	0000
			5/32"	0.0042" to 0.0045"	9/32"	5/32"	Rockwell C41	90458A103	0000
			3/16"	0.0042" to 0.0045"	3/8"	3/16"	Rockwell C41	90458A113	0000
			1/4"	0.0042" to 0.0045"	7/16"	3/16"	Rockwell C41	90458A106	0000
			9/32"	0.0042" to 0.0045"	7/16"	1/4"	Rockwell C41	90458A107	0000
			5/16"	0.0042" to 0.0045"	1/2"	1/4"	Rockwell C41	90458A108	0000
			11/32"	0.0042" to 0.0045"	9/16"	1/4"	Rockwell C41	90458A109	0000
			3/8"	0.0042" to 0.0045"	5/8"	1/4"	Rockwell C41	90458A111	0000
			13/32"	0.0042" to 0.0045"	11/16"	1/4"	Rockwell C41	90458A112	0000