Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Screws
Origin	-
Material	304 Stainless Steel
Head Style	Socket Head (Allen Drive)
Point Type	Concave Point
Thread Size Options	M3, M4, M5, M6, M8
Drive Type	Hex Socket
Finish	Plain / Unplated
Package Type	Bulk Pack Assortment
Application	Machine Assembly, Fixtures, Jigs
Corrosion Resistance	High (Suitable for Indoor/Damp Environments)
Standard	DIN 913 / ISO 4027 Compatible

6 reviews

Anonymous

Mar 30, 2026

Rating: 4/5

Great assortment

Very convenient to have all these sizes in one box. The stainless steel is high quality. Just wish there were slightly more M4 screws as I use those most often, but overall a great purchase.

Anonymous

Mar 25, 2026

Rating: 5/5

Excellent corrosion resistance

Used these in a humid environment for a custom fixture build. No signs of rust after three months. The concave point provides great grip on the shaft without damaging it excessively.

Anonymous

Mar 24, 2026

Rating: 5/5

Perfect for my workshop needs

This bulk pack has everything I needed for various machine repairs. The 304 stainless steel feels solid and the concave point seats perfectly without slipping. Great value for the quantity provided.

Anonymous

Mar 24, 2026

Rating: 5/5

Professional grade fasteners

As a mechanical engineer, I appreciate having a reliable source for metric set screws. The tolerances seem spot on for M3 through M8 sizes. Will definitely reorder when this box runs dry.

Anonymous

Mar 24, 2026

Rating: 4/5

Good quality, mixed sizes useful

The screws are well-made and the hex sockets are clean, making them easy to drive. I deducted one star only because the packaging was a bit messy upon arrival, but the product itself is excellent.

Anonymous

Mar 13, 2026

Rating: 5/5

Solid hardware

No stripped heads so far, which is common with cheaper sets. The concave point design works exactly as intended for securing collars and gears. Highly recommended for DIYers and pros alike.

5 FAQ

Q: What is the thread pitch for the M6 size in this pack?

A: The M6 screws in this assortment feature the standard coarse thread pitch of 1.0mm, unless otherwise specified in specific sub-product listings.

Q: Can these be used outdoors?

A: Yes, 304 Stainless Steel offers good corrosion resistance for outdoor applications in normal environments. However, for coastal areas with high salt exposure, 316 Stainless Steel would be a more durable choice.

Q: Are these screws magnetic?

A: 304 Stainless Steel is generally non-magnetic or very weakly magnetic. While they may show slight attraction to strong magnets due to the manufacturing process, they are not considered magnetic fasteners.

Q: Is the concave point suitable for hardened steel shafts?

A: The concave point is designed to seat securely on shafts. While effective for general machinery, for extremely hardened shafts under high torque, you might consider a cup point for deeper engagement, though these work well for most standard applications.

Q: Does this pack include an Allen key for installation?

A: No, this bulk pack contains only the set screws. You will need to use your own metric hex keys or Allen wrenches suitable for M3-M8 sizes.

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