Base Studs | McMaster-Carr

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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	000000000	00000
				3/8"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	0000
				1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
				1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	0000
				5/8"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
				3/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
				1"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
				1"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000



						10-32
						1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
						1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	0000
						5/8"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
						3/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
						3/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	0000
						1"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
						1"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
						1 1/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
						1 1/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000



								1/4"-20
								1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
								1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	0000
								5/8"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
								3/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
								3/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
								1"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
								1"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
								1 1/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
								1 1/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
								1 1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
								1 1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
								2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
								2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
								2 1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
								2 1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
								3"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
								3"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000



										5/16"-18
										5/8"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
										3/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
										3/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
										1"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
										1"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
										1 1/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
										1 1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
										1 1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
										2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
										2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
										2 1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
										2 1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
3"										29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
3"	1 1/2"									0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000



		M4 × 0.7 mm
		10 mm	23 mm							5 mm	Not Rated	Not Rated	10	000000000	0000
		10 mm	38 mm							4 mm, 5 mm	Not Rated	Not Rated	10	000000000	0000
		12 mm	23 mm							5 mm	Not Rated	Not Rated	10	000000000	0000
		12 mm	38 mm							4 mm, 5 mm	Not Rated	Not Rated	10	000000000	0000
		16 mm	23 mm							5 mm	Not Rated	Not Rated	10	000000000	0000
		16 mm	38 mm							4 mm, 5 mm	Not Rated	Not Rated	10	000000000	0000
		20 mm	23 mm							5 mm	Not Rated	Not Rated	10	000000000	0000
		20 mm	38 mm							4 mm, 5 mm	Not Rated	Not Rated	10	000000000	0000
		25 mm	23 mm							5 mm	Not Rated	Not Rated	10	000000000	0000
		25 mm	38 mm							4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000



				M5 × 0.8 mm
				12 mm	23 mm					5 mm	Not Rated	Not Rated	10	000000000	0000
				12 mm	38 mm					4 mm, 5 mm	Not Rated	Not Rated	10	000000000	0000
				16 mm	23 mm					5 mm	Not Rated	Not Rated	10	000000000	0000
				16 mm	38 mm					4 mm, 5 mm	Not Rated	Not Rated	10	000000000	0000
				20 mm	23 mm					5 mm	Not Rated	Not Rated	10	000000000	0000
				20 mm	38 mm					4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000
				25 mm	23 mm					5 mm	Not Rated	Not Rated	10	000000000	0000
				25 mm	38 mm					4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000
				30 mm	23 mm					5 mm	Not Rated	Not Rated	10	000000000	00000
				30 mm	38 mm					4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000



						M6 × 1 mm
						12 mm	23 mm			5 mm	Not Rated	Not Rated	10	000000000	0000
						12 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	10	000000000	0000
						16 mm	23 mm			5 mm	Not Rated	Not Rated	10	000000000	0000
						16 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	10	000000000	0000
						20 mm	23 mm			5 mm	Not Rated	Not Rated	10	000000000	0000
						20 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000
						25 mm	23 mm			5 mm	Not Rated	Not Rated	10	000000000	0000
						25 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000
						30 mm	23 mm			5 mm	Not Rated	Not Rated	10	000000000	00000
						30 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000
						40 mm	23 mm			5 mm	Not Rated	Not Rated	10	000000000	00000
						40 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000



										M8 × 1.25 mm
										16 mm	23 mm	5 mm	Not Rated	Not Rated	10	000000000	0000
										16 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000
								20 mm		23 mm	5 mm	Not Rated	Not Rated	10	000000000	00000
								20 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000
								25 mm	23 mm	5 mm	Not Rated	Not Rated	10	000000000	00000
								25 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000
								30 mm	23 mm	5 mm	Not Rated	Not Rated	10	000000000	00000
								30 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000
								40 mm	23 mm	5 mm	Not Rated	Not Rated	10	000000000	00000
								40 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000
								50 mm	23 mm	5 mm	Not Rated	Not Rated	10	000000000	00000
								50 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000



										M10 × 1.5 mm
										25 mm	23 mm	5 mm	Not Rated	Not Rated	10	000000000	00000
25 mm										38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000
40 mm	23 mm									5 mm	Not Rated	Not Rated	10	000000000	00000
40 mm	38 mm									4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000
50 mm	23 mm									5 mm	Not Rated	Not Rated	10	000000000	00000
50 mm	38 mm									4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000
65 mm	23 mm									5 mm	Not Rated	Not Rated	10	000000000	00000
65 mm	38 mm									4 mm, 5 mm	Not Rated	Not Rated	5	000000000	00000
75 mm	23 mm									5 mm	Not Rated	Not Rated	5	000000000	0000
75 mm	38 mm									4 mm, 5 mm	Not Rated	Not Rated	5	000000000	00000

316 Stainless Steel





			8-32
			3/8"								29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
			3/8"								1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
			1/2"								29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
			1/2"								1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
			5/8"								29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
			3/4"								29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
			1"								29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
			1"								1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000



												10-32
												1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
				1/2"								1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
				5/8"	29/32"							0.197"	Not Rated	Not Rated	10	000000000	00000
				3/4"	29/32"							0.197"	Not Rated	Not Rated	10	000000000	00000
				3/4"	1 1/2"							0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
				1"	29/32"							0.197"	Not Rated	Not Rated	10	000000000	00000
				1"	1 1/2"							0.157", 0.197"	Not Rated	Not Rated	5	000000000	0000
				1 1/4"	29/32"							0.197"	Not Rated	Not Rated	10	000000000	00000
				1 1/4"	1 1/2"							0.157", 0.197"	Not Rated	Not Rated	5	000000000	0000



												1/4"-20
												1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
												1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
												5/8"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
												3/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
						3/4"						1 1/2"	0.157", 0.197"	Not Rated	Not Rated	5	000000000	0000
						1"	29/32"					0.197"	Not Rated	Not Rated	10	000000000	00000
						1"	1 1/2"					0.157", 0.197"	Not Rated	Not Rated	5	000000000	0000
						1 1/4"	29/32"					0.197"	Not Rated	Not Rated	10	000000000	00000
						1 1/4"	1 1/2"					0.157", 0.197"	Not Rated	Not Rated	5	000000000	0000
						1 1/2"	29/32"					0.197"	Not Rated	Not Rated	10	000000000	00000
						1 1/2"	1 1/2"					0.157", 0.197"	Not Rated	Not Rated	5	000000000	0000
						2"	29/32"					0.197"	Not Rated	Not Rated	5	000000000	00000
						2"	1 1/2"					0.157", 0.197"	Not Rated	Not Rated	5	000000000	00000
						2 1/2"	29/32"					0.197"	Not Rated	Not Rated	5	000000000	00000
						2 1/2"	1 1/2"					0.157", 0.197"	Not Rated	Not Rated	5	000000000	00000
						3"	29/32"					0.197"	Not Rated	Not Rated	5	000000000	00000
						3"	1 1/2"					0.157", 0.197"	Not Rated	Not Rated	5	000000000	00000



								5/16"-18
								5/8"				29/32"	0.197"	Not Rated	Not Rated	5	000000000	0000
								3/4"	29/32"			0.197"	Not Rated	Not Rated	5	000000000	0000
								3/4"	1 1/2"			0.157", 0.197"	Not Rated	Not Rated	5	000000000	00000
								1"	29/32"			0.197"	Not Rated	Not Rated	5	000000000	00000
								1"	1 1/2"			0.157", 0.197"	Not Rated	Not Rated	5	000000000	00000
								1 1/4"	29/32"			0.197"	Not Rated	Not Rated	5	000000000	00000
								1 1/2"	29/32"			0.197"	Not Rated	Not Rated	5	000000000	00000
								1 1/2"	1 1/2"			0.157", 0.197"	Not Rated	Not Rated	5	000000000	00000
								2"	29/32"			0.197"	Not Rated	Not Rated	5	000000000	00000
								2"	1 1/2"			0.157", 0.197"	Not Rated	Not Rated	5	000000000	00000
								2 1/2"	29/32"			0.197"	Not Rated	Not Rated	5	000000000	00000
								2 1/2"	1 1/2"			0.157", 0.197"	Not Rated	Not Rated	5	000000000	00000
3"								29/32"	0.197"			Not Rated	Not Rated	5	000000000	00000
3"	1 1/2"							0.157", 0.197"	Not Rated			Not Rated	5	000000000	00000



		M4 × 0.7 mm
		10 mm						23 mm	5 mm	Not Rated		Not Rated	10	000000000	00000
		10 mm						38 mm	4 mm, 5 mm	Not Rated		Not Rated	10	000000000	00000
		12 mm						23 mm	5 mm	Not Rated		Not Rated	10	000000000	00000
		12 mm						38 mm	4 mm, 5 mm	Not Rated		Not Rated	10	000000000	00000
		16 mm						23 mm	5 mm	Not Rated		Not Rated	10	000000000	00000
		16 mm						38 mm	4 mm, 5 mm	Not Rated		Not Rated	10	000000000	00000
		20 mm						23 mm	5 mm	Not Rated		Not Rated	10	000000000	00000
		20 mm						38 mm	4 mm, 5 mm	Not Rated		Not Rated	10	000000000	00000
		25 mm						23 mm	5 mm	Not Rated		Not Rated	10	000000000	00000
		25 mm						38 mm	4 mm, 5 mm	Not Rated		Not Rated	10	000000000	00000



								M5 × 0.8 mm
								12 mm	23 mm	5 mm	Not Rated	Not Rated	10	000000000	00000
								12 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000
								16 mm	23 mm	5 mm	Not Rated	Not Rated	10	000000000	00000
								16 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000
								20 mm	23 mm	5 mm	Not Rated	Not Rated	10	000000000	00000
								20 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000
								25 mm	23 mm	5 mm	Not Rated	Not Rated	10	000000000	00000
								25 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	5	000000000	0000
								30 mm	23 mm	5 mm	Not Rated	Not Rated	10	000000000	00000
				30 mm				38 mm	4 mm, 5 mm	Not Rated	Not Rated	5	000000000	00000



								M6 × 1 mm
								12 mm	23 mm	5 mm	Not Rated	Not Rated	10	000000000	00000
								12 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	10	000000000	00000
								16 mm	23 mm	5 mm	Not Rated	Not Rated	10	000000000	00000
								16 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	5	000000000	0000
								20 mm	23 mm	5 mm	Not Rated	Not Rated	5	000000000	0000
								20 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	5	000000000	00000
								25 mm	23 mm	5 mm	Not Rated	Not Rated	5	000000000	00000
								25 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	5	000000000	00000
								30 mm	23 mm	5 mm	Not Rated	Not Rated	5	000000000	00000
								30 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	5	000000000	00000
								40 mm	23 mm	5 mm	Not Rated	Not Rated	5	000000000	00000
								40 mm	38 mm	4 mm, 5 mm	Not Rated	Not Rated	5	000000000	00000



										M8 × 1.25 mm
						16 mm				23 mm	5 mm	Not Rated	Not Rated	5	000000000	00000
						16 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	5	000000000	00000
						20 mm	23 mm			5 mm	Not Rated	Not Rated	5	000000000	00000
						20 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	5	000000000	00000
						25 mm	23 mm			5 mm	Not Rated	Not Rated	5	000000000	00000
						25 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	5	000000000	00000
						30 mm	23 mm			5 mm	Not Rated	Not Rated	5	000000000	00000
						30 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	5	000000000	00000
						40 mm	23 mm			5 mm	Not Rated	Not Rated	5	000000000	00000
						40 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	5	000000000	00000
						50 mm	23 mm			5 mm	Not Rated	Not Rated	5	000000000	00000
						50 mm	38 mm			4 mm, 5 mm	Not Rated	Not Rated	5	000000000	00000



										M10 × 1.5 mm
										25 mm	23 mm	5 mm	Not Rated	Not Rated	5	000000000	00000
25 mm										38 mm	4 mm, 5 mm	Not Rated	Not Rated	5	000000000	00000
40 mm	23 mm									5 mm	Not Rated	Not Rated	5	000000000	00000
40 mm	38 mm									4 mm, 5 mm	Not Rated	Not Rated	5	000000000	00000
50 mm	23 mm									5 mm	Not Rated	Not Rated	5	000000000	00000
50 mm	38 mm									4 mm, 5 mm	Not Rated	Not Rated	5	000000000	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	000000000	000000
	1"	1 1/2"	Not Rated	Not Rated	3M VHB (Very High Bond)	5	000000000	00000



			M6 × 1 mm
			20 mm	23 mm	Not Rated	Not Rated	3M VHB (Very High Bond)	5	000000000	00000
			25 mm	38 mm	Not Rated	Not Rated	3M VHB (Very High Bond)	5	000000000	00000