M3.5 Socket Head Cap Screws

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55 Products

Steel Socket Head Screws

Fully Threaded

Made of alloy steel, these screws are the standard for high-strength fastening. Use them in high-load applications such as dies, presses, and heavy equipment. The deep, six-point socket keeps the hex key from slipping out and damaging the drive.

Length is measured from under the head.

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

		Head, mm
	Lg., mm	Dia.	Ht.	Threading	Thread Spacing	Tensile Strength, psi	Fastener Strength Grade/Class	Pkg. Qty.		Pkg.
Black-Oxide Alloy Steel







				M3.5 × 0.6 mm

				6	6	3.5	Fully Threaded	Coarse	170,000	Class 12.9	5	91290A304	00000


				8	6.2	3.5	Fully Threaded	Coarse	170,000	Class 12.9	10	91290A381	00000
				10	6.2	3.5	Fully Threaded	Coarse	170,000	Class 12.9	10	91290A382	00000
				12	6.2	3.5	Fully Threaded	Coarse	170,000	Class 12.9	10	91290A383	00000
				16	6	3.5	Fully Threaded	Coarse	170,000	Class 12.9	5	91290A305	0000
				20	6.2	3.5	Fully Threaded	Coarse	170,000	Class 12.9	10	91290A384	00000
				25	6.2	3.5	Fully Threaded	Coarse	170,000	Class 12.9	10	91290A385	00000

Stainless Steel Socket Head Screws

Fully Threaded

These screws won't rust or corrode when exposed to moisture and chemicals. Their deep, six-point socket keeps hex keys from slipping out and damaging the drive.

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 screws can.

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

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







				M3.5 × 0.6 mm

				6	6.3	3.5	Fully Threaded	Coarse	70,000	5	91292A347	000000


				8	6.3	3.5	Fully Threaded	Coarse	70,000	5	91292A348	00000
				10	6.3	3.5	Fully Threaded	Coarse	70,000	5	91292A349	00000
				12	6.3	3.5	Fully Threaded	Coarse	70,000	5	91292A350	00000
				14	6.3	3.5	Fully Threaded	Coarse	70,000	5	91292A351	00000
				16	6.3	3.5	Fully Threaded	Coarse	70,000	5	91292A352	00000
				20	6.2	3.5	Fully Threaded	Coarse	70,000	10	91292A841	00000
				25	6.3	3.5	Fully Threaded	Coarse	70,000	5	91292A353	00000


				Highly Corrosion-Resistant 316 Stainless Steel







								M3.5 × 0.6 mm

								6	6.3	3.5	Fully Threaded	Coarse	70,000	5	92290A860	00000


								8	6.3	3.5	Fully Threaded	Coarse	70,000	5	92290A861	00000
								10	6.3	3.5	Fully Threaded	Coarse	70,000	5	92290A862	00000
								12	6.3	3.5	Fully Threaded	Coarse	70,000	5	92290A863	00000
								14	6.3	3.5	Fully Threaded	Coarse	70,000	5	92290A864	00000

Stainless Steel Button Head Hex-Drive Screws

These button head screws won't corrode from moisture and chemicals, but they aren't as strong as alloy steel screws. The button head looks similar to a pan head, but it's lower and more compact, taking up less space. With six contact points, the hex drive withstands more torque than slotted and Phillips to securely grip your driver.

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







				M3.5 × 0.6 mm

				6	5.7	1.65	Fully Threaded	70,000	ISO 7380	100	92095A159	00000


				8	5.7	1.65	Fully Threaded	70,000	ISO 7380	100	92095A160	0000
				10	5.7	1.65	Fully Threaded	70,000	ISO 7380	100	92095A161	0000
				14	5.7	1.65	Fully Threaded	70,000	ISO 7380	100	92095A124	0000


				Highly Corrosion-Resistant 316 Stainless Steel







								M3.5 × 0.6 mm

								6	5.7	1.65	Fully Threaded	70,000	ISO 7380	100	94500A277	0000


								8	5.7	1.65	Fully Threaded	70,000	ISO 7380	100	94500A278	0000
								10	5.7	1.65	Fully Threaded	70,000	ISO 7380	100	94500A279	0000

Stainless Steel Hex-Drive Flat Head Screws

The most corrosion-resistant hex-drive flat head screws we offer. Made of stainless steel, they won't rust or corrode when exposed to moisture and chemicals, but they're not as strong as alloy steel. With six contact points, the hex drive withstands more torque than slotted and Phillips to securely grip your driver without slipping and stripping the drive.

Length is measured from the top of 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.

Standard Profile—Standard-profile heads are the most common choice for flat head screws.

				Head, mm
	Lg., mm	Countersink Angle	Flat Head Profile	Dia.	Ht.	Threading	Tensile Strength, psi	Specs. Met	Certificate Type	Pkg. Qty.		Pkg.
18-8 Stainless Steel







				M3.5 × 0.6 mm

				6	90°	Standard	7	2	Fully Threaded	70,000	DIN 7991, ISO 10642	—	1	92125A543	00000


				8	90°	Standard	7	2	Fully Threaded	70,000	DIN 7991, ISO 10642	—	1	92125A546	0000
				10	90°	Standard	7	2	Fully Threaded	70,000	DIN 7991, ISO 10642	Material Certificate	1	92125A549	0000

Stainless Steel Pan Head Torx Screws

The most corrosion-resistant pan head Torx screws we offer. Pan heads have a moderate height and width profile, offering a middle ground between narrower button heads and wider truss heads. With a deep six-lobe opening, the Torx drive prevents your driver from slipping and stripping the drive. Also known as star drives, they withstand more torque than slotted, Phillips, and hex drives.

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







				M3.5 × 0.6 mm

				6	7	2.6	Fully Threaded	70,000	ISO 14583	Material Certificate	100	90362A158	000000


				8	7	2.6	Fully Threaded	70,000	ISO 14583	Material Certificate	100	90362A159	00000
				10	7	2.6	Fully Threaded	70,000	ISO 14583	Material Certificate	100	90362A161	0000
				12	7	2.6	Fully Threaded	70,000	ISO 14583	—	100	90362A162	00000
				16	7	2.6	Fully Threaded	70,000	ISO 14583	—	50	90362A163	0000
				20	7	2.6	Fully Threaded	70,000	ISO 14583	—	50	90362A164	0000
				25	7	2.6	Fully Threaded	70,000	ISO 14583	—	50	90362A165	0000
				30	7	2.6	Fully Threaded	70,000	ISO 14583	—	50	90362A166	00000

Ultra-Low-Profile Steel Socket Head Screws

Our lowest-profile socket head screws. At about one-third the height of standard ones, these fit in the tightest spaces and shallowest holes, reducing the risk of snagging. However, they aren't as strong as screws with larger heads. Tighten with a hex key.

Length is measured from under the head.

		Head, mm
	Lg., mm	Dia.	Ht.	Threading	Thread Spacing	Tensile Strength, psi		Each
Black-Oxide Alloy Steel







				M3.5 × 0.6 mm

				6	6	1	Fully Threaded	Coarse	140,000	90358A121	00000


				8	6	1	Fully Threaded	Coarse	140,000	90358A122	0000
				10	6	1	Fully Threaded	Coarse	140,000	90358A123	0000
				12	6	1	Fully Threaded	Coarse	140,000	90358A124	0000
				14	6	1	Fully Threaded	Coarse	140,000	90358A125	0000

Tamper-Resistant Torx Stainless Steel Flat Head Screws

These screws hold up against corrosion, deter unauthorized access, and prevent your driver from slipping. With a security pin in the drive, you can only turn them with a tamper-resistant Torx driver. Also known as pin-in-Torx, the drive has a deep six-lobe opening that withstands high torque without slipping and stripping the drive. Made of stainless steel, they won't rust or corrode when exposed to moisture and chemicals, but they're not as strong as alloy steel.

Length is measured from the top of 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.

Standard Profile—Standard-profile heads are the most common choice for flat head screws.

L-Keys—Turn screws by hand for more control and less chance of overtightening compared to power tools.

Power Tool Bits—Pair these bits with your power tools to turn screws more quickly than manual tools.

	Screws											L-Keys		Power Tool Bits
				Head, mm
	Lg., mm	Countersink Angle	Flat Head Profile	Dia.	Ht.	Threading	Tensile Strength, psi	Specs. Met	Pkg. Qty.		Pkg.		Each		Each
18-8 Stainless Steel







				M3.5 × 0.6 mm

				6	90°	Standard	8.20	2.30	Fully Threaded	80,000	ASTM F879M	25	91870A420	00000	55525A26	00000	7233A64	00000


				8	90°	Standard	8.20	2.30	Fully Threaded	80,000	ASTM F879M	25	91870A430	0000	55525A26	0000	7233A64	0000
				10	90°	Standard	8.20	2.30	Fully Threaded	80,000	ASTM F879M	25	91870A362	0000	55525A26	0000	7233A64	0000
				12	90°	Standard	8.20	2.30	Fully Threaded	80,000	ASTM F879M	25	91870A364	0000	55525A26	0000	7233A64	0000
				20	90°	Standard	8.20	2.30	Fully Threaded	80,000	ASTM F879M	25	91870A370	0000	55525A26	0000	7233A64	0000
				25	90°	Standard	8.20	2.30	Fully Threaded	80,000	ASTM F879M	25	91870A111	0000	55525A26	0000	7233A64	0000
				30	90°	Standard	8.20	2.30	Fully Threaded	80,000	ASTM F879M	25	91870A380	0000	55525A26	0000	7233A64	0000

Stainless Steel Button Head Torx Screws

Our most corrosion-resistant button head Torx screws. The button head looks similar to a pan head, but it's lower and more compact, taking up less space. With a deep six-lobe opening, the Torx drive prevents your driver from slipping and stripping the drive. Also known as star drives, they withstand more torque than slotted, Phillips, and hex drives.

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







				M3.5 × 0.6 mm

				6	5.7	1.65	Fully Threaded	100,000	ISO 7380	100	90991A116	00000


				8	5.7	1.65	Fully Threaded	100,000	ISO 7380	100	90991A117	0000
				10	5.7	1.65	Fully Threaded	100,000	ISO 7380	100	90991A118	0000