Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Screws
Origin	-
Material	304 Stainless Steel
Head Type	Headless (Set Screw)
Drive Style	Internal Hex (Allen)
Point Style	Concave Cup Point
Available Sizes	M1.6, M2, M3, M4 to M16
Thread Type	Metric Coarse Thread
Finish	Polished Silver
Application	Machine Assembly & Fixing
Corrosion Resistance	High (Indoor/Outdoor)
Package Content	Assorted Kit (100 Pieces)

6 reviews

Anonymous

Mar 30, 2026

Rating: 4/5

Solid construction

Very sturdy screws. The only reason for 4 stars is that the packaging was slightly damaged upon arrival, but the screws themselves were fine.

Anonymous

Mar 22, 2026

Rating: 5/5

Fast delivery and great product

Arrived quickly and exactly as described. These are now my go-to set screws for all my mechanical repairs.

Anonymous

Mar 12, 2026

Rating: 4/5

Good quality steel

The 304 stainless steel feels durable and resists rust well. I used them in a humid environment and they still look new after three months.

Anonymous

Mar 10, 2026

Rating: 5/5

Perfect fit for my machinery

These headless screws are exactly what I needed for securing pulleys on my lathe. The internal hex drive is precise and didn't strip even under high torque.

Anonymous

Mar 08, 2026

Rating: 5/5

Great variety pack

Having multiple sizes in one order saved me a lot of time. The concave end grips the shaft securely without slipping.

Anonymous

Mar 01, 2026

Rating: 5/5

Excellent for DIY projects

I used the M4 and M5 sizes for a custom 3D printer build. They hold components tightly and the finish matches the rest of my hardware perfectly.

5 FAQ

Q: Are these screws suitable for outdoor use?

A: Yes, being made of 304 stainless steel, they offer excellent corrosion resistance for most outdoor applications.

Q: Does this kit include a storage box?

A: Yes, the assorted kit comes in a durable plastic compartmentalized box for easy organization.

Q: Can these be used on aluminum shafts?

A: Yes, the concave cup point is designed to grip shafts securely, including aluminum, without causing excessive damage.

Q: Is there a bulk discount for ordering more than 10 kits?

A: Yes, please contact our sales team directly for volume pricing on orders exceeding 10 units.

Q: What size Allen key do I need for the M6 screw?

A: For an M6 internal hex set screw, you typically need a 3mm Allen key.

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