Breadboard Screws | McMaster-Carr

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83 Products

Thread-Mount Studs for Wood

Also known as hanger bolts, use these studs to hang, mount, and fasten parts to wood structures. Install them with a stud driver, or create wrench flats by threading two nuts onto the stud and jamming them together.

Black-Oxide Steel—Typically chosen for their appearance, these studs have a dark, matte coating that creates a finished look. They offer minimal corrosion resistance, so they're best for dry environments.

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

18-8 Stainless Steel—The choice for wet and outdoor environments, these studs resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.

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

	(A)		(B)
	Screw Size	Thread Lg.	Thread Size	Thread Lg.	Lg.	Tensile Strength, psi	Hardness	Pkg. Qty.		Pkg.
Black-Oxide Steel



		No. 8	7/8"	8-32	5/8"	1 1/2"	Not Rated	Not Rated	50	000000000	000000


		No. 8	1"	8-32	3/4"	1 3/4"	Not Rated	Not Rated	25	000000000	00000
		No. 8	1"	8-32	1"	2"	Not Rated	Not Rated	25	000000000	00000
		No. 10	7/8"	10-24	5/8"	1 1/2"	Not Rated	Not Rated	25	000000000	00000
		No. 10	1"	10-24	1"	2"	Not Rated	Not Rated	25	000000000	00000
		No. 10	1 1/2"	10-24	1"	2 1/2"	Not Rated	Not Rated	25	000000000	00000
		No. 10	1 1/2"	10-24	1 1/2"	3"	Not Rated	Not Rated	10	000000000	0000
		1/4"	1"	1/4"-20	1"	2"	Not Rated	Not Rated	10	000000000	0000
		1/4"	1 1/2"	1/4"-20	1"	2 1/2"	Not Rated	Not Rated	10	000000000	0000
		1/4"	1 1/2"	1/4"-20	1 1/2"	3"	Not Rated	Not Rated	10	000000000	00000
		5/16"	1 1/2"	5/16"-18	1"	2 1/2"	Not Rated	Not Rated	10	000000000	00000


		5/16"	1 1/2"	5/16"-18	1 1/2"	3"	Not Rated	Not Rated	5	000000000	0000
		5/16"	2"	5/16"-18	1 1/2"	3 1/2"	Not Rated	Not Rated	5	000000000	0000
		3/8"	1 1/2"	3/8"-16	1 1/2"	3"	Not Rated	Not Rated	5	000000000	0000
		3/8"	2"	3/8"-16	1 1/2"	3 1/2"	Not Rated	Not Rated	5	000000000	00000
		3/8"	2"	3/8"-16	2"	4"	Not Rated	Not Rated	5	000000000	00000
		3/8"	3"	3/8"-16	1 3/8"	5"	Not Rated	Not Rated	5	000000000	00000
		3/8"	3"	3/8"-16	1 1/2"	6"	Not Rated	Not Rated	5	000000000	00000
		3/8"	3"	3/8"-16	2 1/2"	10"	Not Rated	Not Rated	1	000000000	00000


		Zinc-Plated Steel



				No. 8	7/8"	8-32	5/8"	1 1/2"	Not Rated	Not Rated	100	000000000	0000


				No. 8	1"	8-32	3/4"	1 3/4"	Not Rated	Not Rated	100	000000000	0000
				No. 8	1"	8-32	1"	2"	Not Rated	Not Rated	100	000000000	00000
				No. 10	7/8"	10-24	5/8"	1 1/2"	Not Rated	Not Rated	100	000000000	00000
				No. 10	1"	10-24	1"	2"	Not Rated	Not Rated	50	000000000	00000
				No. 10	1 1/2"	10-24	1"	2 1/2"	Not Rated	Not Rated	50	000000000	00000
				No. 10	1 1/2"	10-24	1 1/2"	3"	Not Rated	Not Rated	50	000000000	00000
				1/4"	1"	1/4"-20	1"	2"	Not Rated	Not Rated	50	000000000	00000
				1/4"	1 1/2"	1/4"-20	1"	2 1/2"	Not Rated	Not Rated	50	000000000	00000
				1/4"	1 1/2"	1/4"-20	1 1/2"	3"	Not Rated	Not Rated	25	000000000	00000
				5/16"	1 1/2"	5/16"-18	1"	2 1/2"	Not Rated	Not Rated	25	000000000	00000


				5/16"	1 1/2"	5/16"-18	1 1/2"	3"	Not Rated	Not Rated	25	000000000	00000
				5/16"	2"	5/16"-18	1 1/2"	3 1/2"	Not Rated	Not Rated	25	000000000	00000
				3/8"	1 1/2"	3/8"-16	1 1/2"	3"	Not Rated	Not Rated	25	000000000	00000
				3/8"	2"	3/8"-16	1 1/2"	3 1/2"	Not Rated	Not Rated	10	000000000	00000
				3/8"	2"	3/8"-16	2"	4"	Not Rated	Not Rated	10	000000000	00000
				3/8"	3"	3/8"-16	1 3/8"	5"	Not Rated	Not Rated	10	000000000	00000
				3/8"	3"	3/8"-16	1 1/2"	6"	Not Rated	Not Rated	10	000000000	00000
				3/8"	3"	3/8"-16	2 1/2"	10"	Not Rated	Not Rated	1	000000000	0000
				3/8"	3"	3/8"-16	2 1/2"	12"	Not Rated	Not Rated	1	000000000	0000
				1/2"	3"	1/2"-13	2 1/2"	6"	Not Rated	Not Rated	1	000000000	0000


				1/2"	3"	1/2"-13	2 1/2"	12"	Not Rated	Not Rated	1	000000000	0000


				18-8 Stainless Steel



	No. 10				5/8"	10-24	3/8"	1"	Not Rated	Not Rated	25	000000000	00000


	No. 10				7/8"	10-24	5/8"	1 1/2"	Not Rated	Not Rated	25	000000000	00000
	No. 10				1"	10-24	1"	2"	Not Rated	Not Rated	25	000000000	00000
	No. 10				1 1/2"	10-24	1"	2 1/2"	Not Rated	Not Rated	10	000000000	0000
	No. 10				1 1/2"	10-24	1 1/2"	3"	Not Rated	Not Rated	10	000000000	0000
	1/4"				7/8"	1/4"-20	5/8"	1 1/2"	Not Rated	Not Rated	10	000000000	0000
	1/4"				1"	1/4"-20	1"	2"	Not Rated	Not Rated	10	000000000	0000
	1/4"				1 1/2"	1/4"-20	1"	2 1/2"	Not Rated	Not Rated	10	000000000	00000
	1/4"				1 1/2"	1/4"-20	1 1/2"	3"	Not Rated	Not Rated	10	000000000	00000
	1/4"				2"	1/4"-20	1 1/2"	3 1/2"	Not Rated	Not Rated	10	000000000	00000
	1/4"				2"	1/4"-20	2"	4"	Not Rated	Not Rated	10	000000000	00000


	1/4"				3"	1/4"-20	1 3/8"	5"	Not Rated	Not Rated	5	000000000	00000
	1/4"				3"	1/4"-20	1 1/2"	4 1/2"	Not Rated	Not Rated	10	000000000	00000
	1/4"				3"	1/4"-20	1 1/2"	6"	Not Rated	Not Rated	5	000000000	00000
	1/4"				3"	1/4"-20	2 1/2"	8"	Not Rated	Not Rated	5	000000000	00000
	5/16"				7/8"	5/16"-18	5/8"	1 1/2"	Not Rated	Not Rated	10	000000000	00000
	5/16"				1"	5/16"-18	1"	2"	Not Rated	Not Rated	10	000000000	00000
	5/16"				1 1/2"	5/16"-18	1"	2 1/2"	Not Rated	Not Rated	10	000000000	00000
	5/16"				1 1/2"	5/16"-18	1 1/2"	3"	Not Rated	Not Rated	10	000000000	00000
	5/16"				2"	5/16"-18	1 1/2"	3 1/2"	Not Rated	Not Rated	10	000000000	00000
	5/16"				2"	5/16"-18	2"	4"	Not Rated	Not Rated	5	000000000	00000


	5/16"	3"			5/16"-18	1 1/4"	5"	Not Rated	Not Rated	5	000000000	00000
	5/16"	3"	5/16"-18		1 1/2"	6"	Not Rated	Not Rated	5	000000000	00000
	3/8"	1 1/2"	3/8"-16		1 1/2"	3"	Not Rated	Not Rated	5	000000000	00000
	3/8"	2"	3/8"-16		1 1/2"	3 1/2"	Not Rated	Not Rated	5	000000000	00000
	3/8"	2"	3/8"-16		2"	4"	Not Rated	Not Rated	5	000000000	00000
	3/8"	3"	3/8"-16		1 3/8"	5"	Not Rated	Not Rated	1	000000000	0000
	3/8"	3"	3/8"-16		1 1/2"	6"	Not Rated	Not Rated	1	000000000	0000
	3/8"	3"	3/8"-16		2 1/2"	8"	Not Rated	Not Rated	1	000000000	0000
	1/2"	2"	1/2"-13		1"	3"	Not Rated	Not Rated	1	000000000	0000
	1/2"	2"	1/2"-13		1 1/2"	3 1/2"	Not Rated	Not Rated	1	000000000	0000


	1/2"	2"	1/2"-13		2"	4"	Not Rated	Not Rated	1	000000000	0000
	1/2"	3"	1/2"-13		2"	5"	Not Rated	Not Rated	1	000000000	0000
	1/2"	3"	1/2"-13		2 1/2"	6"	Not Rated	Not Rated	1	000000000	0000
	1/2"	3"	1/2"-13		2 1/2"	8"	Not Rated	Not Rated	1	000000000	00000


	316 Stainless Steel



			M5		30 mm	M5 × 0.8 mm	20 mm	50 mm	Not Rated	Not Rated	1	000000000	0000


			M6		40 mm	M6 × 1 mm	30 mm	70 mm	Not Rated	Not Rated	1	000000000	0000
			M8		60 mm	M8 × 1.25 mm	40 mm	100 mm	Not Rated	Not Rated	1	000000000	0000
			M10		20 mm	M10 × 1.5 mm	20 mm	60 mm	100,000	Rockwell C25	1	000000000	0000
			M10		20 mm	M10 × 1.5 mm	60 mm	80 mm	100,000	Rockwell C25	1	000000000	0000
			M10		30 mm	M10 × 1.5 mm	70 mm	100 mm	100,000	Rockwell C25	1	000000000	0000

Hex-Drive Thread-Mount Studs for Wood

Turn these studs with a hex key to install more quickly than other studs for wood. Use them to suspend electrical wiring and to hang, mount, and fasten parts to wood structures. Also known as hanger bolts.

Stainless Steel—The choice for wet and outdoor environments, these studs resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.

	(A)		(B)
	Screw Size	Thread Lg.	Thread Size	Thread Lg.	Lg.	Drive Size	Tensile Strength	Hardness	Pkg. Qty.		Pkg.
Stainless Steel



		No. 8	1 3/16"	5/16"-18	5/16"	1 1/2"	5/32"	Not Rated	Not Rated	1	000000000	00000