M1.6 Set Screws | McMaster-Carr

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19 Products

Stainless Steel Flat-Tip Set Screws

These corrosion-resistant screws spread out holding power and protect surfaces from damage. Made of stainless steel, they won't rust, but they're not as strong as alloy steel. Unlike cup and cone tips, the flat tip distributes pressure evenly, reducing marring but not holding as tightly. They're a good choice for repositioning parts frequently on jigs, fixtures, and other applications where the tip presses against a flat surface.

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







	M1.6 × 0.35 mm

	2	0.7	Not Rated	DIN 913, ISO 4026	50	000000000	000000


	2.5	0.7	Not Rated	DIN 913, ISO 4026	25	000000000	00000
	3	0.7	Not Rated	DIN 913, ISO 4026	25	000000000	0000
	4	0.7	Not Rated	DIN 913, ISO 4026	25	000000000	00000
	5	0.7	Not Rated	DIN 913, ISO 4026	25	000000000	00000
	6	0.7	Not Rated	DIN 913, ISO 4026	25	000000000	00000

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







	M1.6 × 0.35 mm

	2.5	0.7	Not Rated	DIN 916, ISO 4029	5	000000000	00000


	3	0.7	Not Rated	DIN 916, ISO 4029	10	000000000	0000
	4	0.7	Not Rated	DIN 916, ISO 4029	10	000000000	0000
	5	0.7	Not Rated	DIN 916, ISO 4029	10	000000000	00000
	6	0.7	Not Rated	DIN 916, ISO 4029	10	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.

	Specs. Met	Pkg. Qty.		Pkg.
Alloy Steel







	M1.6 × 0.35 mm

	3	0.7	Rockwell C45	DIN 916, ISO 4029	1	000000000	00000


	4	0.7	Rockwell C45	DIN 916, ISO 4029	1	000000000	0000
	5	0.7	Rockwell C45	DIN 916, ISO 4029	1	000000000	0000

Steel Flat-Tip Set Screws

Spread out holding power and protect surfaces from damage. Unlike cup and cone tip screws, the flat tip on these distributes pressure evenly, reducing marring but not holding as tightly. They're a good choice for repositioning parts frequently on jigs, fixtures, and other applications where the tip presses against a flat surface. Made of alloy steel, these screws are strong enough to hold components without wearing down.

	Specs. Met	Pkg. Qty.		Pkg.
Alloy Steel







	M1.6 × 0.35 mm

	3	0.7	Rockwell C45	DIN 913, ISO 4026	1	000000000	00000


	4	0.7	Rockwell C45	DIN 913, ISO 4026	1	000000000	0000
	5	0.7	Rockwell C45	DIN 913, ISO 4026	1	000000000	0000
	6	0.7	Rockwell C45	DIN 913, ISO 4026	1	000000000	0000

Extended-Tip Steel Slotted Flat Head Screws

The tip on the end of the shaft guides these screws into holes, keeping the screw straight and threads aligned. Like a dowel, you can also fit the tip into mating holes to keep parts aligned or hold them together, such as on shafts and other moving parts. The slotted drive is the most basic drive style and can't withstand much torque, so it's best to hand-tighten them instead of using power tools. Also known as full dog point screws.

Length is measured from the top of the head.

Black-Oxide 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.

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

				Head, mm		Tip, mm
	Lg., mm	Countersink Angle	Flat Head Profile	Dia.	Ht.	Dia.	Lg.	Threading	Tensile Strength, psi	Specs. Met	Pkg. Qty.		Pkg.
Black-Oxide Steel







				M1.6 × 0.35 mm

				2.5	90°	Standard	3.00	0.96	0.8	1.6	Fully Threaded	60,000	DIN 925	1	000000000	000000