1-72 Set Screws | McMaster-Carr

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17 Products

Tip Type

Cup

Thin edges dig into surfaces for a secure hold

14 products

Soft

Secure delicate surfaces, such as glass, plastic, or polished metal

3 products

Performance

Nonmarring

Less likely than other tips to scratch, gouge, or deform surfaces

3 products

Corrosion Resistant

Won't corrode from moisture, chemicals, and harsh weather

9 products

Stainless Steel Cup-Tip Set Screws

These corrosion-resistant cup-tip screws grip parts tightly. Made of stainless steel, they won't rust, but they're not as strong as alloy steel. The tip has thin edges that dig into surfaces for a secure hold. They often lock gears, pulleys, and other transmission components onto shafts.

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

	Specs. Met	Pkg. Qty.		Pkg.
18-8 Stainless Steel







	1-72

	1/16"	0.035"	Rockwell B80	ASME B18.3	25	000000000	00000


	3/32"	0.035"	Rockwell B80	ASME B18.3	25	000000000	0000
	1/8"	0.035"	Rockwell B80	ASME B18.3	25	000000000	0000
	3/16"	0.035"	Rockwell B80	ASME B18.3	25	000000000	0000
	1/4"	0.035"	Rockwell B80	ASME B18.3	25	000000000	0000
	3/8"	0.035"	Rockwell B80	ASME B18.3	25	000000000	0000

Steel Cup-Tip Set Screws

Made of alloy steel, these screws are strong enough to hold components without wearing down. The tip has thin edges that dig into surfaces for a secure hold. They often lock gears, pulleys, and other transmission components onto shafts.

Black-Oxide Alloy Steel—These screws have a dark matte finish that offers minimal corrosion resistance, so they're best for dry environments.

	Specs. Met	Pkg. Qty.		Pkg.
Black-Oxide Alloy Steel







	1-72

	1/16"	0.035"	Rockwell C45	ASME B18.3	25	000000000	000000


	3/32"	0.035"	Rockwell C45	ASME B18.3	10	000000000	00000
	1/8"	0.035"	Rockwell C45	ASME B18.3	10	000000000	0000
	5/32"	0.035"	Rockwell C45	ASME B18.3, ASTM F912	10	000000000	0000
	3/16"	0.035"	Rockwell C45	ASME B18.3	10	000000000	00000
	1/4"	0.035"	Rockwell C45	ASME B18.3	10	000000000	00000
	5/16"	0.035"	Rockwell C45	ASME B18.3, ASTM F912	10	000000000	0000
	3/8"	0.035"	Rockwell C45	ASME B18.3, ASTM F912	5	000000000	0000

Nylon-Tip Stainless Steel Set Screws

These corrosion-resistant set screws have a soft nylon tip to secure delicate surfaces, such as glass, plastic, or polished metals. However, if you need a stronger tip, opt for screws with brass or silver tips. The stainless steel body won't rust, but it's not as strong as alloy steel.

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

		Tip
	Lg.	Dia.	Lg.	Temp., ° F	Color	Drive Size	Hardness	Specs. Met	Pkg. Qty.		Pkg.
18-8 Stainless Steel







				1-72

				3/32"	0.031"	0.031"	-50 to 250	Green	0.035"	Rockwell B80	ASME B18.3	1	000000000	00000


				1/8"	0.031"	0.031"	-50 to 250	Green	0.035"	Rockwell B80	ASME B18.3	1	000000000	0000
				3/16"	0.031"	0.031"	-50 to 250	Green	0.035"	Rockwell B80	ASME B18.3	1	000000000	0000