DIN 85 Machine Screws | McMaster-Carr

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Rounded Head Profile

Thread Spacing

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Tensile Strength

30,000 psi to 99,999 psi

Hardness

Rockwell B71

Rockwell B80

Not Rated

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

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Compliant with Exemptions

Performance

163 Products

Performance

Corrosion Resistant

Stay strong when exposed to moisture, chemicals, and harsh weather

90 products

Chemical Resistant

Maintain their strength when exposed to most chemicals

20 products

Performance

Conductive

Conduct electricity better than other screws

29 products

Nonmagnetic

Won't damage or interfere with electronics

29 products

Steel Pan Head Slotted Screws

These pan head screws have the simplest drive style. With only two contact points, the slotted drive can't withstand much torque, so it's best to hand-tighten them. They have a moderate height and width profile, offering a middle ground between narrower button heads and wider truss heads.

Length is measured from under the head.

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

		Head, mm
	Lg., mm	Dia.	Ht.	Threading	Tensile Strength, psi	Specs. Met	Pkg. Qty.		Pkg.
Zinc-Plated Steel







				M2 × 0.4 mm

				4	4	1.3	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	00000


				6	4	1.3	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	00000
				8	4	1.3	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
				10	4	1.3	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000




						M2.5 × 0.45 mm

						4	5	1.5	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000


						5	5	1.5	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
						6	5	1.5	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
						8	5	1.5	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
						10	5	1.5	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
						12	5	1.5	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
						20	5	1.5	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000




								M2.6 × 0.45 mm

								4	5	1.5	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	00000


								5	5	1.5	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
								6	5	1.5	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
								8	5	1.5	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
								10	5	1.5	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
								12	5	1.5	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
								25	5	1.5	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	00000




										M3 × 0.5 mm

										4	6	1.8	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000


										5	6	1.8	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
										6	6	1.8	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
										8	6	1.8	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
										10	6	1.8	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
										12	6	1.8	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
										16	6	1.8	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
										20	6	1.8	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
										25	6	1.8	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
										30	6	1.8	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
										35	6	1.8	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000


40	6									1.8	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	00000




		M3.5 × 0.6 mm

		5	7							2.1	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000


		6	7							2.1	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
		8	7							2.1	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
		10	7							2.1	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
		12	7							2.1	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
		16	7							2.1	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
		20	7							2.1	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
		25	7	2.1						Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
		35	7	2.1	Fully Threaded					60,000	DIN 85, ISO 1580	100	000000000	00000




				M4 × 0.7 mm

				6	8					2.4	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000


				8	8					2.4	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
				10	8					2.4	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
				12	8					2.4	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
				14	8					2.4	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
				16	8					2.4	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
				20	8	2.4				Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
				25	8	2.4	Fully Threaded			60,000	DIN 85, ISO 1580	100	000000000	0000
				30	8	2.4	Fully Threaded			60,000	DIN 85, ISO 1580	100	000000000	0000
				35	8	2.4	Fully Threaded			60,000	DIN 85, ISO 1580	100	000000000	00000
				40	8	2.4	Fully Threaded			60,000	DIN 85, ISO 1580	100	000000000	00000




						M5 × 0.8 mm

						6	10			3	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000


						8	10			3	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
						10	10			3	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
						12	10	3		Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	0000
						16	10	3	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	00000
						20	10	3	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	00000
						25	10	3	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	00000
						30	10	3	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	00000
						40	10	3	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	00000




								M6 × 1 mm

								10	12	3.6	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	00000


								12	12	3.6	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	00000
								14	12	3.6	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	00000
								16	12	3.6	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	00000
								20	12	3.6	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	00000
25								12	3.6	Fully Threaded	60,000	DIN 85, ISO 1580	100	000000000	00000




								M8 × 1.25 mm

								12	16	4.8	Fully Threaded	60,000	DIN 85, ISO 1580	10	000000000	0000


								16	16	4.8	Fully Threaded	60,000	DIN 85, ISO 1580	25	000000000	00000
								20	16	4.8	Fully Threaded	60,000	DIN 85, ISO 1580	25	000000000	00000
								25	16	4.8	Fully Threaded	60,000	DIN 85, ISO 1580	10	000000000	00000
								30	16	4.8	Fully Threaded	60,000	DIN 85, ISO 1580	10	000000000	00000




			M10 × 1.5 mm

			20						20	6	Fully Threaded	60,000	DIN 85, ISO 1580	5	000000000	00000


			25						20	6	Fully Threaded	60,000	DIN 85, ISO 1580	5	000000000	00000
			30						20	6	Fully Threaded	60,000	DIN 85, ISO 1580	5	000000000	00000

Stainless Steel Pan Head Slotted Screws

The most corrosion-resistant pan head slotted screws we offer. They have a moderate height and width profile, offering a middle ground between narrower button heads and wider truss heads. With only two contact points, the slotted drive can't withstand much torque, so it's best to hand-tighten them.

Length is measured from under the head.

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.

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

		Head, mm
	Lg., mm	Dia.	Ht.	Threading	Tensile Strength, psi	Specs. Met	Pkg. Qty.		Pkg.
18-8 Stainless Steel







				M2 × 0.4 mm

				3	4	1.3	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	000000


				4	4	1.3	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	0000
				5	4	1.2	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	00000
				6	4	1.2	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	0000
				8	4	1.2	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	0000
				10	4	1.2	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	0000
				12	4	1.2	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	0000
				16	4	1.2	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	00000




						M2.5 × 0.45 mm

						4	5	1.5	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	0000


						6	5	1.5	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	0000
						8	5	1.5	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	0000
						10	5	1.5	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	0000




								M3 × 0.5 mm

								5	6	1.8	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	00000


								6	6	1.8	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	00000
								8	6	1.8	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	00000
								10	6	1.8	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	0000
								12	6	1.8	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	00000
								16	6	1.8	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	0000
								20	6	1.8	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	00000
								25	6	1.8	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	00000




										M4 × 0.7 mm

										6	8	2.4	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	00000


										8	8	2.4	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	00000
										10	8	2.4	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	00000
										12	8	2.4	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	00000
										16	8	2.4	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	00000
										25	8	2.4	Fully Threaded	70,000	DIN 85, ISO 1580	50	000000000	0000




	M5 × 0.8 mm

	8										10	3	Fully Threaded	70,000	DIN 85, ISO 1580	50	000000000	0000


	10	10									3	Fully Threaded	70,000	DIN 85, ISO 1580	50	000000000	0000
	12	10	3								Fully Threaded	70,000	DIN 85, ISO 1580	50	000000000	00000
	16	10	3								Fully Threaded	70,000	DIN 85, ISO 1580	50	000000000	00000
	20	10	3								Fully Threaded	70,000	DIN 85, ISO 1580	50	000000000	0000




			M6 × 1 mm

			10								12	3.6	Fully Threaded	70,000	DIN 85, ISO 1580	50	000000000	00000


			12								12	3.6	Fully Threaded	70,000	DIN 85, ISO 1580	50	000000000	00000
			16								12	3.6	Fully Threaded	70,000	DIN 85, ISO 1580	50	000000000	00000
			20								12	3.6	Fully Threaded	70,000	DIN 85, ISO 1580	25	000000000	00000
			25								12	3.6	Fully Threaded	70,000	DIN 85, ISO 1580	25	000000000	00000




					M8 × 1.25 mm

					12						16	4.8	Fully Threaded	70,000	DIN 85, ISO 1580	25	000000000	00000


					16						16	4.8	Fully Threaded	70,000	DIN 85, ISO 1580	25	000000000	00000
					20						16	4.8	Fully Threaded	70,000	DIN 85, ISO 1580	10	000000000	0000
					25						16	4.8	Fully Threaded	70,000	DIN 85, ISO 1580	10	000000000	0000
					30						16	4.8	Fully Threaded	70,000	DIN 85, ISO 1580	10	000000000	0000


					Highly Corrosion-Resistant 316 Stainless Steel







												M3 × 0.5 mm

												5	6	1.8	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	00000


												6	6	1.8	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	00000
												8	6	1.8	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	00000
								10				6	1.8	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	00000
								12	6			1.8	Fully Threaded	70,000	DIN 85, ISO 1580	100	000000000	00000




												M4 × 0.7 mm

												6	8	2.4	Fully Threaded	70,000	DIN 85, ISO 1580	50	000000000	00000


8												8	2.4	Fully Threaded	70,000	DIN 85, ISO 1580	50	000000000	00000
10												8	2.4	Fully Threaded	70,000	DIN 85, ISO 1580	50	000000000	00000
12												8	2.4	Fully Threaded	70,000	DIN 85, ISO 1580	50	000000000	00000
16										8		2.4	Fully Threaded	70,000	DIN 85, ISO 1580	50	000000000	00000




												M5 × 0.8 mm

												8	10	3	Fully Threaded	70,000	DIN 85, ISO 1580	50	000000000	00000


	10	10										3	Fully Threaded	70,000	DIN 85, ISO 1580	25	000000000	0000
	12	10										3	Fully Threaded	70,000	DIN 85, ISO 1580	25	000000000	00000
	16	10										3	Fully Threaded	70,000	DIN 85, ISO 1580	25	000000000	00000
	20	10										3	Fully Threaded	70,000	DIN 85, ISO 1580	25	000000000	00000




												M6 × 1 mm

												10	12	3.6	Fully Threaded	70,000	DIN 85, ISO 1580	25	000000000	00000


			12	12								3.6	Fully Threaded	70,000	DIN 85, ISO 1580	25	000000000	00000
			16	12								3.6	Fully Threaded	70,000	DIN 85, ISO 1580	25	000000000	00000
			20	12								3.6	Fully Threaded	70,000	DIN 85, ISO 1580	10	000000000	0000
			25	12								3.6	Fully Threaded	70,000	DIN 85, ISO 1580	10	000000000	00000

Brass Pan Head Slotted Screws

These pan head slotted screws have a shiny look and won't rust in damp environments. Made of brass, they're also conductive and nonmagnetic, making them useful for electrical applications. Pan heads have a moderate height and width profile, offering a middle ground between narrower button heads and wider truss heads. With only two contact points, the slotted drive can't withstand much torque, so it's best to hand-tighten them.

Length is measured from under the head.

		Head, mm
	Lg., mm	Dia.	Ht.	Threading	Tensile Strength, psi	Specs. Met	Pkg. Qty.		Pkg.
Brass







				M2.5 × 0.45 mm

				5	5	1.5	Fully Threaded	50,000	DIN 85, ISO 1580	50	000000000	000000


				6	5	1.5	Fully Threaded	50,000	DIN 85, ISO 1580	25	000000000	0000
				8	5	1.5	Fully Threaded	50,000	DIN 85, ISO 1580	25	000000000	0000
				10	5	1.5	Fully Threaded	50,000	DIN 85, ISO 1580	25	000000000	0000




						M3 × 0.5 mm

						5	6	1.8	Fully Threaded	50,000	DIN 85	50	000000000	00000


						6	6	1.8	Fully Threaded	50,000	DIN 85	50	000000000	00000
						8	6	1.8	Fully Threaded	50,000	DIN 85	50	000000000	00000
						10	6	1.8	Fully Threaded	50,000	DIN 85	50	000000000	00000
						12	6	1.8	Fully Threaded	50,000	DIN 85	50	000000000	00000
						16	6	1.8	Fully Threaded	50,000	DIN 85	50	000000000	00000
						20	6	1.8	Fully Threaded	50,000	DIN 85	25	000000000	00000
						25	6	1.8	Fully Threaded	50,000	DIN 85	25	000000000	00000




								M4 × 0.7 mm

								6	8	2.4	Fully Threaded	50,000	DIN 85, ISO 1580	25	000000000	0000


								8	8	2.4	Fully Threaded	50,000	DIN 85, ISO 1580	25	000000000	0000
								10	8	2.4	Fully Threaded	50,000	DIN 85, ISO 1580	25	000000000	0000
								12	8	2.4	Fully Threaded	50,000	DIN 85, ISO 1580	25	000000000	00000
								16	8	2.4	Fully Threaded	50,000	DIN 85	25	000000000	00000
								20	8	2.4	Fully Threaded	50,000	DIN 85	25	000000000	00000
								25	8	2.4	Fully Threaded	50,000	DIN 85	10	000000000	0000




										M5 × 0.8 mm

										8	10	3	Fully Threaded	50,000	DIN 85	10	000000000	0000


										10	10	3	Fully Threaded	50,000	DIN 85	10	000000000	0000
										12	10	3	Fully Threaded	50,000	DIN 85	10	000000000	0000
										16	10	3	Fully Threaded	50,000	DIN 85	10	000000000	0000
										20	10	3	Fully Threaded	50,000	DIN 85	10	000000000	0000




												M6 × 1 mm

10	12											3.6	Fully Threaded	50,000	DIN 85, ISO 1580	10	000000000	0000


12	12											3.6	Fully Threaded	50,000	DIN 85, ISO 1580	10	000000000	0000
16	12	3.6										Fully Threaded	50,000	DIN 85, ISO 1580	10	000000000	00000
20	12	3.6	Fully Threaded									50,000	DIN 85	10	000000000	00000
25	12	3.6	Fully Threaded									50,000	DIN 85	10	000000000	00000