ISO 7045 Screws | McMaster-Carr

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192 Products

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Performance

Vibration Resistant

Keep parts from coming loose on machinery with movement and vibration

80 products

Corrosion Resistant

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

103 products

Performance

Chemical Resistant

Maintain their strength when exposed to most chemicals

20 products

Nonmagnetic

Won't damage or interfere with electronics

20 products

Steel Pan Head Phillips Screws

Our most popular steel pan head screws. They have a moderate height and width profile, offering a middle ground between narrower button heads and wider truss heads. The Phillips drive easily aligns with drivers and withstands more torque than slotted drives, but drivers slip when you apply too much force.

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	Certificate Type	Pkg. Qty.		Pkg.
Zinc-Plated Steel







				M3 × 0.5 mm

				4	6	2.4	Fully Threaded	60,000	—	100	92005A112	00000


				5	6	2.4	Fully Threaded	60,000	Material Certificate	100	92005A114	0000
				6	6	2.4	Fully Threaded	60,000	Material Certificate	100	92005A116	0000
				8	6	2.4	Fully Threaded	60,000	Material Certificate	100	92005A118	0000
				10	6	2.4	Fully Threaded	60,000	Material Certificate	100	92005A120	0000
				12	6	2.4	Fully Threaded	60,000	—	100	92005A122	0000
				16	6	2.4	Fully Threaded	60,000	—	100	92005A126	0000
				20	6	2.4	Fully Threaded	60,000	Material Certificate	100	92005A128	0000
				25	6	2.4	Fully Threaded	60,000	—	100	92005A130	0000
				30	6	2.4	Fully Threaded	60,000	—	100	92005A132	0000




						M4 × 0.7 mm

						6	8	3.1	Fully Threaded	60,000	Material Certificate	100	92005A215	0000


						8	8	3.1	Fully Threaded	60,000	Material Certificate	100	92005A218	0000
						10	8	3.1	Fully Threaded	60,000	Material Certificate	100	92005A220	0000
						12	8	3.1	Fully Threaded	60,000	Material Certificate	100	92005A222	0000
						16	8	3.1	Fully Threaded	60,000	Material Certificate	100	92005A226	0000
						20	8	3.1	Fully Threaded	60,000	Material Certificate	100	92005A228	0000
						25	8	3.1	Fully Threaded	60,000	—	100	92005A230	0000
						30	8	3.1	Fully Threaded	60,000	—	100	92005A232	00000
						40	8	3.1	Fully Threaded	60,000	—	100	92005A236	00000
						45	8	3.1	Fully Threaded	60,000	—	100	92005A238	00000
						50	8	3.1	Fully Threaded	60,000	—	100	92005A240	00000


						55	8	3.1	Fully Threaded	60,000	—	25	92005A242	0000




								M5 × 0.8 mm

								6	10	3.8	Fully Threaded	60,000	—	100	92005A316	0000


								8	10	3.8	Fully Threaded	60,000	—	100	92005A318	0000
								10	10	3.8	Fully Threaded	60,000	Material Certificate	100	92005A320	0000
								12	10	3.8	Fully Threaded	60,000	—	100	92005A322	0000
								16	10	3.8	Fully Threaded	60,000	—	100	92005A326	0000
								20	10	3.8	Fully Threaded	60,000	—	100	92005A328	00000
								25	10	3.8	Fully Threaded	60,000	—	100	92005A330	00000
								30	10	3.8	Fully Threaded	60,000	—	100	92005A332	00000
								35	10	3.8	Fully Threaded	60,000	—	100	92005A334	00000




M6 × 1 mm

10	12									4.6	Fully Threaded	60,000	Material Certificate	100	92005A420	00000


12	12									4.6	Fully Threaded	60,000	Material Certificate	100	92005A422	00000
16	12	4.6								Fully Threaded	60,000	Material Certificate	100	92005A426	00000
20	12	4.6	Fully Threaded							60,000	—	100	92005A428	00000
25	12	4.6	Fully Threaded							60,000	Material Certificate	50	92005A430	0000
30	12	4.6	Fully Threaded							60,000	Material Certificate	50	92005A435	00000
35	12	4.6	Fully Threaded							60,000	—	50	92005A440	00000
40	12	4.6	Fully Threaded							60,000	—	50	92005A442	00000
45	12	4.6	Fully Threaded							60,000	—	50	92005A444	00000
50	12	4.6	Fully Threaded							60,000	—	50	92005A446	00000
60	12	4.6	Fully Threaded							60,000	—	25	92005A450	00000


75	12	4.6	Fully Threaded							60,000	Material Certificate	10	92005A452	0000
90	12	4.6	Fully Threaded							60,000	—	5	92005A457	0000




		M8 × 1.25 mm

		16	16	6						Fully Threaded	60,000	—	25	92005A526	00000


		20	16	6	Fully Threaded					60,000	Material Certificate	25	92005A528	00000
		25	16	6	Fully Threaded					60,000	Material Certificate	25	92005A530	00000
		90	16	6	Fully Threaded					60,000	—	1	92005A548	0000




				M10 × 1.5 mm

				45	20					7.5	Fully Threaded	60,000	—	1	92005A640	0000


				50	20					7.5	Fully Threaded	60,000	—	1	92005A643	0000
				60	20					7.5	Fully Threaded	60,000	—	1	92005A646	0000
				70	20					7.5	Fully Threaded	60,000	—	1	92005A649	0000
				80	20					7.5	Fully Threaded	60,000	—	1	92005A652	0000

Thread-Locking Stainless Steel Pan Head Phillips Screws

Corrosion and vibration resistant, these pan head screws secure parts in place on machinery with mild vibration. With a nylon-patch threadlocker bonded to the threads, they save you the time and mess of adding it yourself. Pan heads have a moderate height and width profile, offering a middle ground between narrower button heads and wider truss heads. The Phillips drive easily aligns with drivers and withstands more torque than slotted drives, but drivers slip when you apply too much force.

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.

		Head, mm
	Lg., mm	Dia.	Ht.	Threading	Tensile Strength, psi	Threadlocker Type	Certificate Type	Threadlocker Temp. Range, ° F	Pkg. Qty.		Pkg.
18-8 Stainless Steel







				M2 × 0.4 mm

				3	4	1.6	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A104	00000


				4	4	1.6	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A107	0000
				5	4	1.6	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A111	0000
				6	4	1.6	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A114	0000
				8	4	1.6	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A118	0000




						M2.5 × 0.45 mm

						3	5	2	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A154	0000


						4	5	2	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A159	0000
						5	5	2	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A161	0000
						6	5	2	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A164	0000
						8	5	2	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A168	0000
						10	5	2	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A171	00000
						16	5	2	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	10	95911A611	0000
						20	5	2	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	10	95911A612	0000
						25	5	2	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	10	95911A613	0000




								M3 × 0.5 mm

								4	6	2.4	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A204	0000


								5	6	2.4	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A207	0000
								6	6	2.4	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A211	00000
								8	6	2.4	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A214	0000
								10	6	2.4	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A218	00000
								12	6	2.4	Fully Threaded	70,000	Nylon Patch	Material Certificate	-70 to 250	25	95911A221	00000
								16	6	2.4	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A511	00000
								20	6	2.4	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	10	95911A614	0000
								25	6	2.4	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	10	95911A615	0000
								30	6	2.4	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	10	95911A616	0000
								35	6	2.4	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	10	95911A617	0000


								40	6	2.4	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	10	95911A618	0000




										M4 × 0.7 mm

										5	8	3.1	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	10	95911A622	0000


6										8	3.1	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A254	00000
8	8									3.1	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A257	00000
10	8									3.1	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A261	00000
12	8									3.1	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A512	00000
16	8									3.1	Fully Threaded	70,000	Nylon Patch	—	-70 to 250	25	95911A513	00000
20	8	3.1								Fully Threaded	70,000	Nylon Patch	—	-70 to 250	10	95911A623	0000
25	8	3.1	Fully Threaded							70,000	Nylon Patch	—	-70 to 250	10	95911A624	0000
30	8	3.1	Fully Threaded							70,000	Nylon Patch	—	-70 to 250	10	95911A625	0000
35	8	3.1	Fully Threaded							70,000	Nylon Patch	—	-70 to 250	10	95911A626	00000
40	8	3.1	Fully Threaded							70,000	Nylon Patch	—	-70 to 250	10	95911A627	0000


45	8	3.1	Fully Threaded							70,000	Nylon Patch	—	-70 to 250	10	95911A628	0000
50	8	3.1	Fully Threaded							70,000	Nylon Patch	—	-70 to 250	10	95911A629	00000
55	8	3.1	Fully Threaded							70,000	Nylon Patch	—	-70 to 250	10	95911A631	00000
75	8	3.1	Fully Threaded							70,000	Nylon Patch	—	-70 to 250	5	95911A633	0000




		M5 × 0.8 mm

		6	10	3.8	Fully Threaded					70,000	Nylon Patch	—	-70 to 250	10	95911A634	0000


		8	10	3.8	Fully Threaded					70,000	Nylon Patch	—	-70 to 250	25	95911A514	00000
		10	10	3.8	Fully Threaded					70,000	Nylon Patch	—	-70 to 250	10	95911A304	0000
		12	10	3.8	Fully Threaded					70,000	Nylon Patch	—	-70 to 250	10	95911A307	0000
		16	10	3.8	Fully Threaded					70,000	Nylon Patch	Material Certificate	-70 to 250	10	95911A311	0000
		20	10	3.8	Fully Threaded					70,000	Nylon Patch	—	-70 to 250	25	95911A515	00000
		35	10	3.8	Fully Threaded					70,000	Nylon Patch	—	-70 to 250	10	95911A637	0000




				M6 × 1 mm

				8	12	4.6				Fully Threaded	70,000	Nylon Patch	—	-70 to 250	10	95911A644	0000


				10	12	4.6	Fully Threaded			70,000	Nylon Patch	—	-70 to 250	10	95911A516	0000
				12	12	4.6	Fully Threaded			70,000	Nylon Patch	—	-70 to 250	10	95911A517	0000
				16	12	4.6	Fully Threaded			70,000	Nylon Patch	—	-70 to 250	10	95911A518	0000
				20	12	4.6	Fully Threaded			70,000	Nylon Patch	—	-70 to 250	10	95911A519	0000
				25	12	4.6	Fully Threaded			70,000	Nylon Patch	—	-70 to 250	10	95911A521	0000
				35	12	4.6	Fully Threaded			70,000	Nylon Patch	—	-70 to 250	10	95911A646	00000
				40	12	4.6	Fully Threaded			70,000	Nylon Patch	—	-70 to 250	5	95911A647	0000

Stainless Steel Pan Head Phillips Screws

These stainless steel pan head Phillips screws won't rust or corrode when exposed to moisture and chemicals. They have a moderate height and width profile, offering a middle ground between narrower button heads and wider truss heads. The Phillips drive easily aligns with drivers and withstands more torque than slotted drives, but drivers slip when you apply too much force.

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.

		Head, mm					Small Pack
	Lg., mm	Dia.	Ht.	Threading	Tensile Strength, psi	Certificate Type	Pkg. Qty.		Pkg.
18-8 Stainless Steel







				M1.6 × 0.35 mm

				2	3.2	1.4	Fully Threaded	70,000	—	100	92000A040	000000


				16	3.2	1.4	Fully Threaded	70,000	—	50	92000A041	00000
				20	3.2	1.4	Fully Threaded	70,000	—	50	92000A042	00000




						M2 × 0.4 mm

						30	4.24	1.58	Fully Threaded	70,000	Material Certificate	25	92000A054	00000

Sealing Stainless Steel Pan Head Phillips Screws

Keep out dust and contaminants while locking in air and fluid. These pan head screws have a rubber O-ring under the head that compresses to form a tight seal as you tighten them. Made of stainless steel, they won't rust or corrode when exposed to moisture and chemicals. The Phillips drive aligns easily with drivers and withstands more torque than slotted drives, but drivers slip when you apply too much force.

These screws are reusable as long as the rubber O-ring is intact and undamaged. 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.

Silicone Rubber O-Ring—Tolerate a wider range of temperatures than Buna-N and fluoroelastomer seals without becoming brittle. However, these seals degrade when exposed to oil, grease, and fuel.

		Head, mm
	Lg., mm	Dia.	Ht.	Threading	Tensile Strength, psi	Certificate Type	For Max. Hole Dia., mm	Max. Pressure, psi	O-Ring Temp. Range, ° F	Pkg. Qty.		Pkg.
18-8 Stainless Steel with Silicone Rubber O-Ring







				M2 × 0.4 mm

				10	4.96	1.6	Fully Threaded	70,000	—	2.41	1,500	-80 to 400	10	93627A641	00000




						M2.5 × 0.45 mm

						10	5.59	2.1	Fully Threaded	70,000	—	2.84	1,500	-80 to 400	10	93627A642	0000


						12	5.59	2.1	Fully Threaded	70,000	—	2.84	1,500	-80 to 400	10	93627A711	00000




								M3 × 0.5 mm

								14	6.83	2.4	Fully Threaded	70,000	—	3.65	1,500	-80 to 400	10	93627A712	0000


								16	6.83	2.4	Fully Threaded	70,000	—	3.65	1,500	-80 to 400	10	93627A643	0000
								20	6.83	2.4	Fully Threaded	70,000	—	3.65	1,500	-80 to 400	10	93627A644	0000
								25	6.83	2.4	Fully Threaded	70,000	—	3.65	1,500	-80 to 400	5	93627A713	0000




										M3.5 × 0.6 mm

										6	8.23	2.6	Fully Threaded	70,000	—	3.99	1,500	-80 to 400	10	93627A645	0000


										10	8.23	2.6	Fully Threaded	70,000	Material Certificate	3.99	1,500	-80 to 400	10	93627A647	0000




												M4 × 0.7 mm

												20	8.82	3.05	Fully Threaded	70,000	—	4.54	1,500	-80 to 400	10	93627A648	0000




														M5 × 0.8 mm

														20	10.03	3.7	Fully Threaded	70,000	—	5.66	1,500	-80 to 400	10	93627A649	00000




																M6 × 1 mm

																8	12.58	4.6	Fully Threaded	70,000	—	6.83	1,500	-80 to 400	10	93627A650	00000


12	12.58															4.6	Fully Threaded	70,000	—	6.83	1,500	-80 to 400	5	93627A651	0000
20	12.58															4.6	Fully Threaded	70,000	Material Certificate	6.83	1,500	-80 to 400	5	93627A652	0000
25	12.58															4.6	Fully Threaded	70,000	Material Certificate	6.83	1,500	-80 to 400	5	93627A653	0000

Steel Pan Head Phillips Screws with Split Lock Washer

Stop screws from loosening due to light vibration. These screws have a washer with uneven ends that bite into the screw head and the mating surface as you tighten them. While they're not as vibration resistant as tooth lock washers, they're a good choice for electrical panels, light fixtures, and other light duty assemblies. Also known as Sems screws, the washer rotates freely but is permanently attached. Pan heads have a moderate height and width profile, offering a middle ground between narrower button heads and wider truss heads. The Phillips drive easily aligns with drivers and withstands more torque than slotted drives, but drivers slip when you apply too much force.

Length is measured from under the head.

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

		Head, mm		Washer, mm
	Lg., mm	Dia.	Ht.	OD	Thk.	Threading	Tensile Strength, psi	Certificate Type	Pkg. Qty.		Pkg.
Zinc-Plated Steel







				M3 × 0.5 mm

				6	6	2.52	6	0.8	Fully Threaded	60,000	Material Certificate	25	90460A101	00000


				8	6	2.52	6	0.8	Fully Threaded	60,000	—	25	90460A102	0000
				10	6	2.52	6	0.8	Fully Threaded	60,000	Material Certificate	25	90460A103	0000




						M4 × 0.7 mm

						6	8	3.25	7.6	0.9	Fully Threaded	60,000	Material Certificate	25	90460A104	0000


						8	8	3.25	7.6	0.9	Fully Threaded	60,000	—	25	90460A105	0000
						10	8	3.25	7.6	0.9	Fully Threaded	60,000	Material Certificate	25	90460A106	0000
						12	8	3.25	7.6	0.9	Fully Threaded	60,000	Material Certificate	25	90460A107	0000




								M5 × 0.8 mm

								8	10	3.95	9.2	1.2	Fully Threaded	60,000	Material Certificate	25	90460A108	0000


								10	10	3.95	9.2	1.2	Fully Threaded	60,000	—	25	90460A109	0000
								12	10	3.95	9.2	1.2	Fully Threaded	60,000	—	25	90460A111	0000
								16	10	3.95	9.2	1.2	Fully Threaded	60,000	—	25	90460A112	0000

Titanium Pan Head Phillips Screws

The best of both worlds, these Grade 2 titanium screws are lightweight like aluminum and more corrosion resistant than stainless steel. They stand up to salt water, strong acids, and harsh chemicals, so they're often used in chemical-processing and water-treatment facilities. Pan heads have a moderate height and width profile, offering a middle ground between narrower button heads and wider truss heads. The Phillips drive easily aligns with drivers and withstands more torque than slotted drives, but drivers slip when you apply too much force.

Length is measured from under the head.

		Head, mm
	Lg., mm	Dia.	Ht.	Threading	Tensile Strength, psi	Pkg. Qty.		Pkg.
Lightweight Ultra-Corrosion-Resistant Grade 2 Titanium







				M3 × 0.5 mm

				5	5.6	2.33	Fully Threaded	40,000	10	90234A304	000000


				6	5.6	2.33	Fully Threaded	40,000	10	90234A305	00000
				8	5.6	2.33	Fully Threaded	40,000	10	90234A306	00000
				10	5.6	2.33	Fully Threaded	40,000	10	90234A307	00000
				12	5.6	2.33	Fully Threaded	40,000	10	90234A308	00000




						M4 × 0.7 mm

						6	8	3.01	Fully Threaded	40,000	10	90234A322	00000


						8	8	3.01	Fully Threaded	40,000	10	90234A323	00000
						10	8	3.01	Fully Threaded	40,000	10	90234A324	00000
						12	8	3.01	Fully Threaded	40,000	10	90234A325	00000
						16	8	3.01	Fully Threaded	40,000	10	90234A327	00000




								M5 × 0.8 mm

								8	9.5	3.61	Fully Threaded	40,000	10	90234A342	00000


								10	9.5	3.61	Fully Threaded	40,000	10	90234A343	00000
								12	9.5	3.61	Fully Threaded	40,000	10	90234A344	00000
								16	9.5	3.61	Fully Threaded	40,000	5	90234A346	00000
								20	9.5	3.61	Fully Threaded	40,000	5	90234A348	00000




										M6 × 1 mm

										10	12	4.45	Fully Threaded	40,000	5	90234A362	00000


										12	12	4.45	Fully Threaded	40,000	5	90234A363	00000
										16	12	4.45	Fully Threaded	40,000	5	90234A365	00000
										20	12	4.45	Fully Threaded	40,000	5	90234A367	00000
										25	12	4.45	Fully Threaded	40,000	5	90234A369	00000

Plastic Pan Head Phillips Screws

Our most common plastic pan head screws, these are often used to attach panels and covers to electronics and automated equipment. They're lightweight and nonconductive. Pan heads have a moderate height and width profile, offering a middle ground between narrower button heads and wider truss heads. The Phillips drive easily aligns with drivers and withstands more torque than slotted drives, but drivers slip when you apply too much force.

Length is measured from under the head.

Clear Impact-Resistant Polycarbonate—Our most impact-resistant plastic rounded head screws. These absorb bumps and vibration without cracking or breaking.

			Head, mm
	Lg., mm	Threading	Dia.	Ht.	Tensile Strength	Certificate Type	Temp. Range, ° F	Color	Pkg. Qty.		Pkg.
Clear Impact-Resistant Polycarbonate







				M3 × 0.5 mm

				5	Fully Threaded	6	2.4	Not Rated	—	-50 to 300	Clear	10	93140A015	00000


				6	Fully Threaded	6	2.4	Not Rated	—	-50 to 300	Clear	10	93140A154	0000
				8	Fully Threaded	6	2.4	Not Rated	—	-50 to 300	Clear	10	93140A258	0000
				10	Fully Threaded	6	2.4	Not Rated	—	-50 to 300	Clear	10	93140A342	0000
				12	Fully Threaded	6	2.4	Not Rated	—	-50 to 300	Clear	10	93140A455	0000




						M4 × 0.7 mm

						6	Fully Threaded	8	3.1	Not Rated	—	-50 to 300	Clear	10	93140A474	0000


						8	Fully Threaded	8	3.1	Not Rated	—	-50 to 300	Clear	10	93140A496	0000
						10	Fully Threaded	8	3.1	Not Rated	—	-50 to 300	Clear	10	93140A513	0000
						12	Fully Threaded	8	3.1	Not Rated	—	-50 to 300	Clear	10	93140A552	0000
						16	Fully Threaded	8	3.1	Not Rated	—	-50 to 300	Clear	10	93140A586	00000




								M5 × 0.8 mm

								8	Fully Threaded	10	3.8	Not Rated	Material Certificate	-50 to 300	Clear	10	93140A679	00000


								10	Fully Threaded	10	3.8	Not Rated	—	-50 to 300	Clear	10	93140A699	00000
								12	Fully Threaded	10	3.8	Not Rated	—	-50 to 300	Clear	10	93140A713	00000
								16	Fully Threaded	10	3.8	Not Rated	—	-50 to 300	Clear	10	93140A763	00000
								20	Fully Threaded	10	3.8	Not Rated	—	-50 to 300	Clear	10	93140A814	00000




										M6 × 1 mm

										10	Fully Threaded	12	4.6	Not Rated	—	-50 to 300	Clear	10	93140A816	00000


										12	Fully Threaded	12	4.6	Not Rated	—	-50 to 300	Clear	10	93140A855	00000
										16	Fully Threaded	12	4.6	Not Rated	—	-50 to 300	Clear	10	93140A903	00000
										20	Fully Threaded	12	4.6	Not Rated	—	-50 to 300	Clear	5	93140A918	0000
										25	Fully Threaded	12	4.6	Not Rated	—	-50 to 300	Clear	5	93140A947	0000

Stainless Steel Pan Head Phillips Screws with Internal-Tooth Lock Washer

These corrosion-resistant screws have a washer with sharp internal teeth to keep screws in place during vibration. Unlike external-tooth lock washers, their smooth outside edge provides a finished look and won’t snag on surrounding objects. Also known as Sems screws, the washer rotates freely but is permanently attached. These screws have a moderate height and width profile, offering a middle ground between narrower button heads and wider truss heads. The Phillips drive easily aligns with drivers and withstands more torque than slotted drives, but drivers slip when you apply too much force.

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.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

		Head, mm		Washer, mm
	Lg., mm	Dia.	Ht.	OD	Thk.	Threading	Tensile Strength, psi	Certificate Type	Pkg. Qty.		Pkg.
18-8 Stainless Steel







				M3 × 0.5 mm

				6	5.6	2.4	6.68	0.43	Fully Threaded	70,000	Material Certificate	25	90317A112	00000


				8	5.6	2.4	6.68	0.43	Fully Threaded	70,000	Material Certificate	25	90317A115	0000
				10	5.6	2.4	6.68	0.43	Fully Threaded	70,000	Material Certificate	10	90317A118	0000
				12	5.6	2.4	6.68	0.43	Fully Threaded	70,000	Material Certificate	10	90317A121	0000




						M4 × 0.7 mm

						6	8	3.1	8.46	0.51	Fully Threaded	70,000	Material Certificate	10	90317A162	0000


						8	8	3.1	8.46	0.51	Fully Threaded	70,000	Material Certificate	10	90317A165	0000
						10	8	3.1	8.46	0.51	Fully Threaded	70,000	Material Certificate	10	90317A168	0000
						12	8	3.1	8.46	0.51	Fully Threaded	70,000	Material Certificate	5	90317A171	0000

Steel Pan Head Phillips Screws with Internal-Tooth Lock Washer

Sharp internal teeth hold screws in place despite frequent movement and vibration. These screws have a washer with teeth that dig into surfaces to prevent loosening. Unlike external-tooth lock washers, their smooth outside edge provides a finished look and won't snag on surrounding objects. Also known as Sems screws, the washer rotates freely but is permanently attached. These screws have a moderate height and width profile, offering a middle ground between narrower button heads and wider truss heads. The Phillips drive easily aligns with drivers and withstands more torque than slotted drives, but drivers slip when you apply too much force.

Length is measured from under the head.

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

		Head, mm		Washer, mm
	Lg., mm	Dia.	Ht.	OD	Thk.	Threading	Tensile Strength	Certificate Type	Pkg. Qty.		Pkg.
Zinc-Plated Steel







				M3 × 0.5 mm

				5	5.6	2.4	7.35	0.45	Fully Threaded	Not Rated	Material Certificate	50	90403A851	000000


				6	5.6	2.4	7.35	0.45	Fully Threaded	Not Rated	Material Certificate	50	90403A852	0000
				8	5.6	2.4	7.35	0.45	Fully Threaded	Not Rated	—	50	90403A853	00000
				10	5.6	2.4	7.35	0.45	Fully Threaded	Not Rated	Material Certificate	50	90403A854	00000
				12	5.6	2.4	7.35	0.45	Fully Threaded	Not Rated	—	10	90403A855	0000