Pointed Spacers | McMaster-Carr

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55 Products

Threaded-Stud Bumpers

Style 4

These bumpers absorb impact to protect equipment, walls, and floors from dents and scuffs. They're found everywhere from access panels to the bases of equipment. The rubber construction also stifles noise and absorbs vibration to prevent wear and tear to your machinery and nearby surfaces. No separate fasteners are needed—just twist them into a threaded hole.

Style 4

Abrasion-Resistant Polyurethane Rubber—Our toughest rubber bumpers, they keep their shape even when knocked and scraped by metal and other abrasive materials. They're often used on industrial vehicles, conveyors, and heavy construction equipment.

Hardness Rating—The harder the bumper, the better it withstands impact and abrasion over time. The softer the bumper, the more cushioning it provides for objects made of glass, soft metal, and other fragile materials. Bumpers with a medium rating offer a balance of impact resistance and cushioning.

	Thread
	Size	Lg.	OD	Ht.	Hardness	Hardness Rating	Color	Temp., ° F	Stud Material	Nonmarking	For Use Outdoors		Each
Abrasion-Resistant Polyurethane Rubber


		3/8"-16	15/16"	1 1/2"	1 9/16"	Durometer 85A	Hard	Black	-60 to 250	Steel	Yes	No	0000000	00000
		3/8"-16	15/16"	1 1/2"	1 9/16"	Durometer 85A	Hard	Red	-60 to 250	Steel	Yes	No	0000000	0000

Load-Rated Reinforced Threaded-Stud Bumpers


Style 2	Style 3

These bumpers are tested to ensure they'll support the load of your application. They'll bear the weight of everything from a 50-pound saw to a 5,000-pound air compressor. All have a metal base plate for added strength and a longer service life than all-rubber bumpers. No separate fasteners are needed—just twist them into a threaded hole.

Style 2

Natural Rubber—These bumpers absorb impact well enough for most applications. However, they're not for use outdoors and break down when exposed to oil and harsh chemicals.

Stainless Steel Stud—Unlike bumpers with steel studs, these handle repeated washdowns without corroding.

Steel Stud—Durable and economical, these are the choice for most jobs.

	Thread
	Size	Lg.	OD	Ht.	Max. Load, lb.	Hardness	Hardness Rating	Color	Temp., ° F	Nonmarking	For Use Outdoors		Each
Natural Rubber with Steel Stud and Base Plate


		1/4"-20	1/2"	3/4"	1"	22	Durometer 55A	Medium	Black	-40 to 170	No	No	00000000	00000
		1/4"-20	1/2"	63/64"	1 1/4"	30	Durometer 55A	Medium	Black	-40 to 170	No	No	00000000	0000
		5/16"-18	5/8"	1 17/64"	1 1/2"	45	Durometer 55A	Medium	Black	-40 to 170	No	No	00000000	0000
		5/16"-18	5/8"	1 1/2"	1 3/4"	140	Durometer 55A	Medium	Black	-40 to 170	No	No	00000000	0000
		3/8"-16	5/8"	1 49/64"	2"	160	Durometer 55A	Medium	Black	-40 to 170	No	No	0000000	00000
		3/8"-16	1 1/8"	2"	2 1/4"	190	Durometer 55A	Medium	Black	-40 to 170	No	No	00000000	00000
		M5 × 0.8 mm	12 mm	10 mm	10 mm	13	Durometer 55A	Medium	Black	-40 to 170	No	No	00000000	0000
		M5 × 0.8 mm	12 mm	10 mm	10 mm	25	Durometer 70A	Hard	Black	-40 to 170	No	No	00000000	0000
		M6 × 1 mm	18 mm	20 mm	15 mm	40	Durometer 55A	Medium	Black	-40 to 170	No	No	00000000	0000
		M6 × 1 mm	18 mm	20 mm	15 mm	70	Durometer 70A	Hard	Black	-40 to 170	No	No	00000000	0000
		M6 × 1 mm	18 mm	20 mm	24 mm	22	Durometer 50A	Medium	Black	-10 to 150	No	No	0000000	0000
		M6 × 1 mm	18 mm	20 mm	24 mm	70	Durometer 70A	Hard	Black	-40 to 170	No	No	00000000	0000
		M6 × 1 mm	18 mm	25 mm	20 mm	40	Durometer 55A	Medium	Black	-40 to 170	No	No	00000000	0000
		M6 × 1 mm	18 mm	25 mm	20 mm	110	Durometer 70A	Hard	Black	-40 to 170	No	No	00000000	0000
		M8 × 1.25 mm	18 mm	30 mm	30 mm	30	Durometer 50A	Medium	Black	-10 to 150	No	No	0000000	0000
		M8 × 1.25 mm	18 mm	30 mm	30 mm	140	Durometer 70A	Hard	Black	-40 to 170	No	No	00000000	0000
		M8 × 1.25 mm	20 mm	30 mm	36 mm	70	Durometer 55A	Medium	Black	-40 to 170	No	No	00000000	0000
		M8 × 1.25 mm	20 mm	30 mm	36 mm	140	Durometer 70A	Hard	Black	-40 to 170	No	No	0000000	0000
		M8 × 1.25 mm	23 mm	35 mm	40 mm	60	Durometer 55A	Medium	Black	-40 to 170	No	No	00000000	0000
		M8 × 1.25 mm	28 mm	50 mm	61 mm	160	Durometer 50A	Medium	Black	-10 to 150	No	No	0000000	00000
		M8 × 1.25 mm	28 mm	50 mm	61 mm	340	Durometer 70A	Hard	Black	-40 to 170	No	No	00000000	00000
		M10 × 1.5 mm	28 mm	50 mm	50 mm	210	Durometer 55A	Medium	Black	-40 to 170	No	No	00000000	00000
		M10 × 1.5 mm	28 mm	50 mm	50 mm	250	Durometer 70A	Hard	Black	-40 to 170	No	No	00000000	00000
		M10 × 1.5 mm	28 mm	50 mm	68 mm	190	Durometer 50A	Medium	Black	-10 to 150	No	No	0000000	00000
		M10 × 1.5 mm	28 mm	50 mm	68 mm	430	Durometer 70A	Hard	Black	-40 to 170	No	No	00000000	00000

		Natural Rubber with Corrosion-Resistant Stainless Steel Stud and Base Plate


				1/4"-20	1/2"	3/4"	1"	22	Durometer 55A	Medium	Black	-40 to 170	No	No	00000000	0000
				5/16"-18	5/8"	1 1/2"	1 3/4"	140	Durometer 55A	Medium	Black	-40 to 170	No	No	00000000	00000
				M5 × 0.8 mm	12 mm	10 mm	10 mm	13	Durometer 55A	Medium	Black	-40 to 170	No	No	00000000	0000
				M6 × 1 mm	18 mm	20 mm	15 mm	40	Durometer 55A	Medium	Black	-40 to 170	No	No	00000000	0000
				M6 × 1 mm	18 mm	20 mm	24 mm	25	Durometer 55A	Medium	Black	-40 to 170	No	No	00000000	0000
				M8 × 1.25 mm	18 mm	30 mm	30 mm	50	Durometer 55A	Medium	Black	-40 to 170	No	No	00000000	00000
				M8 × 1.25 mm	20 mm	30 mm	36 mm	70	Durometer 55A	Medium	Black	-40 to 170	No	No	00000000	00000

Style 3

Multipurpose Neoprene—A good choice for oily equipment that's exposed to sunlight, rain, and ozone. These aren't as oil resistant as Buna-N bumpers, but they can be used outdoors.

	Thread
	Size	Lg.	OD	Ht.	Max. Load, lb.	Hardness	Hardness Rating	Color	Temp., ° F	Nonmarking	For Use Outdoors	Pkg. Qty.		Pkg.
Multipurpose Neoprene with Steel Stud and Base Plate


		1/4"-20	1/2"	1"	1/2"	25	Durometer 50A	Medium	Black	-10 to 150	No	Yes	4	0000000	000000

Load-Rated Reinforced Threaded-Hole Bumpers

Style 2

These bumpers are tested to ensure they'll support the load of your application. They'll bear the weight of everything from a 50-pound saw to a 2,000-pound air compressor. All have a metal base plate for added strength and a longer service life than all-rubber bumpers. Twist them onto a threaded stud on your equipment, or pair them with your own stud to create a custom-length bumper.

Style 2

Natural Rubber—These bumpers absorb impact well enough for most applications. However, they're not for use outdoors and break down when exposed to oil and harsh chemicals.

	Thread
	Size	Dp., mm	OD, mm	Ht., mm	Max. Load, lb.	Hardness	Hardness Rating	Color	Temp., ° F	Nonmarking	For Use Outdoors		Each
Natural Rubber with Steel Base Plate


		M5 × 0.8 mm	5	10	10	10	Durometer 40A	Medium Soft	Black	-40 to 170	Yes	No	00000000	00000
		M5 × 0.8 mm	5	10	10	13	Durometer 55A	Medium	Black	-40 to 170	Yes	No	00000000	0000
		M5 × 0.8 mm	5	10	10	25	Durometer 70A	Hard	Black	-40 to 170	Yes	No	00000000	0000
		M6 × 1 mm	6	20	15	29	Durometer 40A	Medium Soft	Black	-40 to 170	Yes	No	00000000	0000
		M6 × 1 mm	6	20	24	18	Durometer 40A	Medium Soft	Black	-40 to 170	Yes	No	00000000	0000
		M6 × 1 mm	6	20	24	22	Durometer 55A	Medium	Black	-20 to 150	Yes	No	0000000	0000
		M6 × 1 mm	6	20	24	70	Durometer 70A	Hard	Black	-40 to 170	Yes	No	00000000	0000
		M6 × 1 mm	6	25	20	42	Durometer 55A	Medium	Black	-40 to 170	Yes	No	00000000	0000
		M6 × 1 mm	6	25	20	110	Durometer 70A	Hard	Black	-40 to 170	Yes	No	00000000	0000
		M8 × 1.25 mm	8	30	30	30	Durometer 55A	Medium	Black	-20 to 150	Yes	No	0000000	0000
		M8 × 1.25 mm	8	30	30	40	Durometer 40A	Medium Soft	Black	-40 to 170	Yes	No	00000000	0000
		M8 × 1.25 mm	8	50	61	160	Durometer 55A	Medium	Black	-20 to 150	Yes	No	0000000	00000
		M8 × 1.25 mm	8	50	61	340	Durometer 70A	Hard	Black	-40 to 170	Yes	No	00000000	00000
		M10 × 1.5 mm	10	50	68	190	Durometer 55A	Medium	Black	-20 to 150	Yes	No	0000000	00000
		M10 × 1.5 mm	10	50	68	430	Durometer 70A	Hard	Black	-40 to 170	Yes	No	00000000	00000
		M12 × 1.75 mm	12	75	89	570	Durometer 70A	Hard	Black	-40 to 170	Yes	No	00000000	00000

Adhesive-Back Bumpers

Style 4

Stick these bumpers onto glass and other surfaces that are too thin or fragile for fasteners. The adhesive back forms a tight grip without scratching or discoloring your surface. They're comparable to Bumpon bumpers.

Style 4

Abrasion-Resistant Polyurethane Rubber—Choose these bumpers for a balance of toughness and flexibility. Rough surfaces and repeated knocks won't wear them out, so you can use them as feet for small equipment and stops for cabinet doors and drawers.

	Ht.	Hardness	Hardness Rating	Temp., ° F	Nonmarking	For Use Outdoors	Choose a Color	Pkg. Qty.		Pkg.
Abrasion-Resistant Polyurethane Rubber


	3/8"	3/16"	Durometer 50A	Medium	70 to 150	Yes	Yes	Clear	72	000000000	00000
	23/32"	9/16"	Durometer 65A	Medium Hard	70 to 150	Yes	Yes	Black , Clear	25	000000000	0000
	3/4"	3/4"	Durometer 65A	Medium Hard	70 to 150	Yes	Yes	Black , Clear	25	000000000	00000
	25/32"	57/64"	Durometer 65A	Medium Hard	70 to 150	Yes	Yes	Black , Clear	10	000000000	0000