Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material Grade	304 Stainless Steel
Head Style	Round Head with Integrated Washer
Drive Type	Phillips Cross
Thread Diameter	M4.2 / M4.8
Surface Finish	Polished Silver
Point Type	Self-Drilling Drill Point
Package Quantity	100 Pieces
Corrosion Resistance	High (Rust Proof)
Application Scenario	Metal-to-Metal Fastening
Industry Standard	ISO Compliant

5 reviews

Anonymous

Apr 14, 2026

Rating: 5/5

Excellent Quality

These screws are solid. Used them for a metal roof repair and they drilled through easily without pre-drilling.

Anonymous

Mar 30, 2026

Rating: 5/5

Great value

Good count for the price. Will buy again for future workshops.

Anonymous

Feb 18, 2026

Rating: 5/5

Rust resistant

Been outside for months exposed to rain, no rust yet. True 304 steel.

Anonymous

Feb 14, 2026

Rating: 4/5

Good but hard

Quality is good but required a strong drill to drive them into thicker steel plates.

Anonymous

Jan 22, 2026

Rating: 5/5

Perfect fit

Exactly what I needed for my HVAC project. The washer head provides a nice seal.

5 FAQ

Q: What bit size do I need?

A: A PH2 Phillips driver bit is recommended for these screws.

Q: Is this truly 304 steel?

A: Yes, these are certified 304 stainless steel screws.

Q: What is the max metal thickness?

A: They work best on metal sheets up to 3mm thick.

Q: How many screws in a pack?

A: The standard pack contains 100 pieces, but bulk options are available.

Q: Are these suitable for outdoors?

A: Yes, the stainless steel material is resistant to weather and corrosion.

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