Perforated Base Studs | McMaster-Carr

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Thread Size

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Length

System of Measurement

Base Diameter

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Hole Diameter

Thread Spacing

REACH

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

RoHS

Thread Fit

Unified Standard Class 2A

Thread Pitch

204 Products

Adhesive-Ready Studs

Large holes let adhesive flow through the base for a secure hold.

Zinc-Plated Steel—The most common choice for areas with occasional exposure to moisture.

316 Stainless Steel—Superior to 18-8 stainless steel, these studs won't degrade when exposed to harsh weather, salt water, and most chemicals.

	Lg.	Base Dia.	Hole Dia.	Tensile Strength	Hardness	Pkg. Qty.		Pkg.
Zinc-Plated Steel





				8-32
				3/8"	29/32"	0.197"	Not Rated	Not Rated	10	97590A741	00000
				3/8"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A110	0000
				1/2"	29/32"	0.197"	Not Rated	Not Rated	10	97590A742	0000
				1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A115	0000
				5/8"	29/32"	0.197"	Not Rated	Not Rated	10	97590A743	0000
				3/4"	29/32"	0.197"	Not Rated	Not Rated	10	97590A744	0000
				1"	29/32"	0.197"	Not Rated	Not Rated	10	97590A745	0000
				1"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A130	00000



						10-32
						1/2"	29/32"	0.197"	Not Rated	Not Rated	10	97590A746	0000
						1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A215	0000
						5/8"	29/32"	0.197"	Not Rated	Not Rated	10	97590A747	0000
						3/4"	29/32"	0.197"	Not Rated	Not Rated	10	97590A748	0000
						3/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A225	0000
						1"	29/32"	0.197"	Not Rated	Not Rated	10	97590A749	0000
						1"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A230	00000
						1 1/4"	29/32"	0.197"	Not Rated	Not Rated	10	97590A751	00000
						1 1/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A235	00000



								1/4"-20
								1/2"	29/32"	0.197"	Not Rated	Not Rated	10	97590A752	0000
								1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A315	0000
								5/8"	29/32"	0.197"	Not Rated	Not Rated	10	97590A753	0000
								3/4"	29/32"	0.197"	Not Rated	Not Rated	10	97590A754	0000
								3/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A325	00000
								1"	29/32"	0.197"	Not Rated	Not Rated	10	97590A755	0000
								1"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A330	00000
								1 1/4"	29/32"	0.197"	Not Rated	Not Rated	10	97590A756	00000
								1 1/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A335	00000
								1 1/2"	29/32"	0.197"	Not Rated	Not Rated	10	97590A757	00000
								1 1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A340	00000
								2"	29/32"	0.197"	Not Rated	Not Rated	10	97590A758	00000
								2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A771	00000
								2 1/2"	29/32"	0.197"	Not Rated	Not Rated	10	97590A759	00000
								2 1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A772	00000
								3"	29/32"	0.197"	Not Rated	Not Rated	10	97590A761	00000
								3"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A773	00000



										5/16"-18
										5/8"	29/32"	0.197"	Not Rated	Not Rated	10	97590A762	0000
										3/4"	29/32"	0.197"	Not Rated	Not Rated	10	97590A763	00000
										3/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A425	00000
										1"	29/32"	0.197"	Not Rated	Not Rated	10	97590A764	00000
										1"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A430	00000
										1 1/4"	29/32"	0.197"	Not Rated	Not Rated	10	97590A765	00000
										1 1/2"	29/32"	0.197"	Not Rated	Not Rated	10	97590A766	00000
										1 1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A440	00000
										2"	29/32"	0.197"	Not Rated	Not Rated	10	97590A767	00000
										2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A445	00000
										2 1/2"	29/32"	0.197"	Not Rated	Not Rated	10	97590A768	00000
										2 1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A774	00000
3"										29/32"	0.197"	Not Rated	Not Rated	10	97590A769	00000
3"	1 1/2"									0.157", 0.197"	Not Rated	Not Rated	10	97590A775	00000



		M4 × 0.7 mm
		10 mm	23 mm							5 mm	Not Rated	Not Rated	10	97590A711	0000
		10 mm	38 mm							4 mm, 5 mm	Not Rated	Not Rated	10	97590A776	0000
		12 mm	23 mm							5 mm	Not Rated	Not Rated	10	97590A712	0000
		12 mm	38 mm							4 mm, 5 mm	Not Rated	Not Rated	10	97590A777	0000
		16 mm	23 mm							5 mm	Not Rated	Not Rated	10	97590A713	0000
		16 mm	38 mm							4 mm, 5 mm	Not Rated	Not Rated	10	97590A778	0000
		20 mm	23 mm							5 mm	Not Rated	Not Rated	10	97590A714	0000
		20 mm	38 mm							4 mm, 5 mm	Not Rated	Not Rated	10	97590A779	0000
		25 mm	23 mm							5 mm	Not Rated	Not Rated	10	97590A715	0000
		25 mm	38 mm							4 mm, 5 mm	Not Rated	Not Rated	10	97590A781	00000



				M5 × 0.8 mm
				12 mm	23 mm					5 mm	Not Rated	Not Rated	10	97590A716	0000
				12 mm	38 mm					4 mm, 5 mm	Not Rated	Not Rated	10	97590A782	0000
				16 mm	23 mm					5 mm	Not Rated	Not Rated	10	97590A717	0000
				16 mm	38 mm					4 mm, 5 mm	Not Rated	Not Rated	10	97590A783	0000
				20 mm	23 mm					5 mm	Not Rated	Not Rated	10	97590A718	0000
				20 mm	38 mm					4 mm, 5 mm	Not Rated	Not Rated	10	97590A784	00000
				25 mm	23 mm					5 mm	Not Rated	Not Rated	10	97590A719	0000
				25 mm	38 mm					4 mm, 5 mm	Not Rated	Not Rated	10	97590A785	00000
				30 mm	23 mm					5 mm	Not Rated	Not Rated	10	97590A721	00000
				30 mm	38 mm					4 mm, 5 mm	Not Rated	Not Rated	10	97590A786	00000



						M6 × 1 mm
						12 mm	23 mm			5 mm	Not Rated	Not Rated	10	97590A722	0000
						12 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	10	97590A787	0000
						16 mm	23 mm			5 mm	Not Rated	Not Rated	10	97590A723	0000
						16 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	10	97590A788	0000
						20 mm	23 mm			5 mm	Not Rated	Not Rated	10	97590A724	0000
						20 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	10	97590A789	00000
						25 mm	23 mm			5 mm	Not Rated	Not Rated	10	97590A725	0000
						25 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	10	97590A791	00000
						30 mm	23 mm			5 mm	Not Rated	Not Rated	10	97590A726	00000
						30 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	10	97590A792	00000
						40 mm	23 mm			5 mm	Not Rated	Not Rated	10	97590A727	00000
						40 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	10	97590A793	00000



										M8 × 1.25 mm
										16 mm	23 mm	5 mm	Not Rated	Not Rated	10	97590A728	0000
										16 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	97590A794	00000
								20 mm		23 mm	5 mm	Not Rated	Not Rated	10	97590A729	00000
								20 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	97590A795	00000
								25 mm	23 mm	5 mm	Not Rated	Not Rated	10	97590A731	00000
								25 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	97590A796	00000
								30 mm	23 mm	5 mm	Not Rated	Not Rated	10	97590A732	00000
								30 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	97590A797	00000
								40 mm	23 mm	5 mm	Not Rated	Not Rated	10	97590A733	00000
								40 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	97590A798	00000
								50 mm	23 mm	5 mm	Not Rated	Not Rated	10	97590A734	00000
								50 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	97590A799	00000



										M10 × 1.5 mm
										25 mm	23 mm	5 mm	Not Rated	Not Rated	10	97590A735	00000
25 mm										38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	97590A801	00000
40 mm	23 mm									5 mm	Not Rated	Not Rated	10	97590A736	00000
40 mm	38 mm									4 mm, 5 mm	Not Rated	Not Rated	10	97590A802	00000
50 mm	23 mm									5 mm	Not Rated	Not Rated	10	97590A737	00000
50 mm	38 mm									4 mm, 5 mm	Not Rated	Not Rated	10	97590A803	00000
65 mm	23 mm									5 mm	Not Rated	Not Rated	10	97590A738	00000
65 mm	38 mm									4 mm, 5 mm	Not Rated	Not Rated	5	97590A804	00000
75 mm	23 mm									5 mm	Not Rated	Not Rated	5	97590A739	0000
75 mm	38 mm									4 mm, 5 mm	Not Rated	Not Rated	5	97590A805	00000

316 Stainless Steel





			8-32
			3/8"								29/32"	0.197"	Not Rated	Not Rated	10	97590A834	00000
			3/8"								1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A520	00000
			1/2"								29/32"	0.197"	Not Rated	Not Rated	10	97590A835	00000
			1/2"								1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A526	00000
			5/8"								29/32"	0.197"	Not Rated	Not Rated	10	97590A836	00000
			3/4"								29/32"	0.197"	Not Rated	Not Rated	10	97590A837	00000
			1"								29/32"	0.197"	Not Rated	Not Rated	10	97590A838	00000
			1"								1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A542	00000



												10-32
												1/2"	29/32"	0.197"	Not Rated	Not Rated	10	97590A839	00000
				1/2"								1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A551	00000
				5/8"	29/32"							0.197"	Not Rated	Not Rated	10	97590A841	00000
				3/4"	29/32"							0.197"	Not Rated	Not Rated	10	97590A842	00000
				3/4"	1 1/2"							0.157", 0.197"	Not Rated	Not Rated	10	97590A561	00000
				1"	29/32"							0.197"	Not Rated	Not Rated	10	97590A843	00000
				1"	1 1/2"							0.157", 0.197"	Not Rated	Not Rated	5	97590A567	0000
				1 1/4"	29/32"							0.197"	Not Rated	Not Rated	10	97590A844	00000
				1 1/4"	1 1/2"							0.157", 0.197"	Not Rated	Not Rated	5	97590A569	0000



												1/4"-20
												1/2"	29/32"	0.197"	Not Rated	Not Rated	10	97590A845	00000
												1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	97590A574	00000
												5/8"	29/32"	0.197"	Not Rated	Not Rated	10	97590A846	00000
												3/4"	29/32"	0.197"	Not Rated	Not Rated	10	97590A847	00000
						3/4"						1 1/2"	0.157", 0.197"	Not Rated	Not Rated	5	97590A582	0000
						1"	29/32"					0.197"	Not Rated	Not Rated	10	97590A848	00000
						1"	1 1/2"					0.157", 0.197"	Not Rated	Not Rated	5	97590A586	0000
						1 1/4"	29/32"					0.197"	Not Rated	Not Rated	10	97590A849	00000
						1 1/4"	1 1/2"					0.157", 0.197"	Not Rated	Not Rated	5	97590A589	0000
						1 1/2"	29/32"					0.197"	Not Rated	Not Rated	10	97590A851	00000
						1 1/2"	1 1/2"					0.157", 0.197"	Not Rated	Not Rated	5	97590A591	0000
						2"	29/32"					0.197"	Not Rated	Not Rated	5	97590A852	00000
						2"	1 1/2"					0.157", 0.197"	Not Rated	Not Rated	5	97590A864	00000
						2 1/2"	29/32"					0.197"	Not Rated	Not Rated	5	97590A853	00000
						2 1/2"	1 1/2"					0.157", 0.197"	Not Rated	Not Rated	5	97590A865	00000
						3"	29/32"					0.197"	Not Rated	Not Rated	5	97590A854	00000
						3"	1 1/2"					0.157", 0.197"	Not Rated	Not Rated	5	97590A866	00000



								5/16"-18
								5/8"	29/32"			0.197"	Not Rated	Not Rated	5	97590A855	0000
								3/4"	29/32"			0.197"	Not Rated	Not Rated	5	97590A856	0000
								3/4"	1 1/2"			0.157", 0.197"	Not Rated	Not Rated	5	97590A603	00000
								1"	29/32"			0.197"	Not Rated	Not Rated	5	97590A857	00000
								1"	1 1/2"			0.157", 0.197"	Not Rated	Not Rated	5	97590A606	00000
								1 1/4"	29/32"			0.197"	Not Rated	Not Rated	5	97590A858	00000
								1 1/2"	29/32"			0.197"	Not Rated	Not Rated	5	97590A859	00000
								1 1/2"	1 1/2"			0.157", 0.197"	Not Rated	Not Rated	5	97590A613	00000
								2"	29/32"			0.197"	Not Rated	Not Rated	5	97590A861	00000
								2"	1 1/2"			0.157", 0.197"	Not Rated	Not Rated	5	97590A616	00000
								2 1/2"	29/32"			0.197"	Not Rated	Not Rated	5	97590A862	00000
								2 1/2"	1 1/2"			0.157", 0.197"	Not Rated	Not Rated	5	97590A867	00000
3"								29/32"	0.197"			Not Rated	Not Rated	5	97590A863	00000
3"	1 1/2"							0.157", 0.197"	Not Rated			Not Rated	5	97590A868	00000



		M4 × 0.7 mm
		10 mm						23 mm	5 mm	Not Rated		Not Rated	10	97590A806	00000
		10 mm						38 mm	4 mm, 5 mm	Not Rated		Not Rated	10	97590A869	00000
		12 mm						23 mm	5 mm	Not Rated		Not Rated	10	97590A807	00000
		12 mm						38 mm	4 mm, 5 mm	Not Rated		Not Rated	10	97590A871	00000
		16 mm						23 mm	5 mm	Not Rated		Not Rated	10	97590A808	00000
		16 mm						38 mm	4 mm, 5 mm	Not Rated		Not Rated	10	97590A872	00000
		20 mm						23 mm	5 mm	Not Rated		Not Rated	10	97590A809	00000
		20 mm						38 mm	4 mm, 5 mm	Not Rated		Not Rated	10	97590A873	00000
		25 mm						23 mm	5 mm	Not Rated		Not Rated	10	97590A811	00000
		25 mm						38 mm	4 mm, 5 mm	Not Rated		Not Rated	10	97590A874	00000



								M5 × 0.8 mm
								12 mm	23 mm	5 mm	Not Rated	Not Rated	10	97590A812	00000
								12 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	97590A875	00000
								16 mm	23 mm	5 mm	Not Rated	Not Rated	10	97590A813	00000
								16 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	97590A876	00000
								20 mm	23 mm	5 mm	Not Rated	Not Rated	10	97590A814	00000
								20 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	97590A877	00000
								25 mm	23 mm	5 mm	Not Rated	Not Rated	10	97590A815	00000
								25 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	5	97590A878	0000
								30 mm	23 mm	5 mm	Not Rated	Not Rated	10	97590A816	00000
				30 mm				38 mm	4 mm, 5 mm	Not Rated	Not Rated	5	97590A879	00000



								M6 × 1 mm
								12 mm	23 mm	5 mm	Not Rated	Not Rated	10	97590A817	00000
								12 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	97590A881	00000
								16 mm	23 mm	5 mm	Not Rated	Not Rated	10	97590A818	00000
								16 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	5	97590A882	0000
								20 mm	23 mm	5 mm	Not Rated	Not Rated	5	97590A819	0000
								20 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	5	97590A883	00000
								25 mm	23 mm	5 mm	Not Rated	Not Rated	5	97590A821	00000
								25 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	5	97590A884	00000
								30 mm	23 mm	5 mm	Not Rated	Not Rated	5	97590A822	00000
								30 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	5	97590A885	00000
								40 mm	23 mm	5 mm	Not Rated	Not Rated	5	97590A823	00000
								40 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	5	97590A886	00000



										M8 × 1.25 mm
						16 mm				23 mm	5 mm	Not Rated	Not Rated	5	97590A824	00000
						16 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	5	97590A887	00000
						20 mm	23 mm			5 mm	Not Rated	Not Rated	5	97590A825	00000
						20 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	5	97590A889	00000
						25 mm	23 mm			5 mm	Not Rated	Not Rated	5	97590A826	00000
						25 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	5	97590A891	00000
						30 mm	23 mm			5 mm	Not Rated	Not Rated	5	97590A827	00000
						30 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	5	97590A892	00000
						40 mm	23 mm			5 mm	Not Rated	Not Rated	5	97590A828	00000
						40 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	5	97590A893	00000
						50 mm	23 mm			5 mm	Not Rated	Not Rated	5	97590A829	00000
						50 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	5	97590A894	00000



										M10 × 1.5 mm
										25 mm	23 mm	5 mm	Not Rated	Not Rated	5	97590A831	00000
25 mm										38 mm	4 mm, 5 mm	Not Rated	Not Rated	5	97590A895	00000
40 mm	23 mm									5 mm	Not Rated	Not Rated	5	97590A832	00000
40 mm	38 mm									4 mm, 5 mm	Not Rated	Not Rated	5	97590A896	00000
50 mm	23 mm									5 mm	Not Rated	Not Rated	5	97590A833	00000
50 mm	38 mm									4 mm, 5 mm	Not Rated	Not Rated	5	97590A897	00000

Adhesive-Back Studs

Stick these studs to nearly any surface for a strong bond and a watertight seal.

Zinc-Plated Steel—The most common choice for areas with occasional exposure to moisture.

	Hardness	Adhesive Type	Pkg. Qty.		Pkg.
Zinc-Plated Steel





	1/4"-20
	3/4"	29/32"	Not Rated	Not Rated	3M VHB (Very High Bond)	5	91206A110	000000
	1"	1 1/2"	Not Rated	Not Rated	3M VHB (Very High Bond)	5	91206A120	00000



			M6 × 1 mm
			20 mm	23 mm	Not Rated	Not Rated	3M VHB (Very High Bond)	5	91206A130	00000
			25 mm	38 mm	Not Rated	Not Rated	3M VHB (Very High Bond)	5	91206A140	00000