Concrete blue screws with irregular thread

Our Services

Concrete Self Tapping Screws

3 1/4, 2 1/4, 2 3/4, 1 1/4, 1 3/4 x 3/16 Inch
3 1/4, 3 3/4, 1 3/4 x 1/4 Inch

Concrete Screws Philip Hexagon

3 1/4, 2 1/4, 2 3/4, 1 1/4, 1 3/4 x 3/16 Inch
3 1/4, 3 3/4, 1 3/4 x 1/4 Inch

Concrete Screw Irregular Thread

3 1/4, 2 1/4, 2 3/4, 1 1/4, 1 3/4 x 3/16 Inch
3 1/4, 3 3/4, 1 3/4 x 1/4 Inch

Hexagon Self Drilling Tapping LS

Hex-head Self-Drilling Tapping Screws (Long/Short):
Available in long and short variants, these screws combine a hexagonal head for high-torque driving with a self-drilling tip to penetrate and thread metal, wood, or plastic without pre-drilling. Ideal for varied material thicknesses and tight-space applications.

Self Drilling Tapping in LD Thread

Self-Drilling Tapping Screw with Anti-Loosening Dense Thread:Features tightly spaced threads to enhance grip and resist vibration-induced loosening, while the self-drilling tip eliminates pre-drilling in metal, wood, or composite materials. Ideal for high-stress or dynamic load applications,a good option for you to choose.

Self Tapping w Plastic Washer

Hex-head Self-Tapping Screw with Plastic Washer:
Combines a hexagonal head for torque-driven installation, self-tapping threads for material penetration, and a plastic washer to seal gaps, prevent loosening, or protect surfaces. Ideal for securing panels, roofing, or outdoor fixtures in metal, wood, or plastic.

Why us?

High Quality

high-quality fasteners, non-standard, special-shaped products. Steel Structure, General Fastener, Construction Accessories , Self-Drilling Screws, Anchor Bolts, Non-Standard Fasteners.

National Standard Compliance

Adhere to national standards, guaranteeing quality and reliability for customers in the general industry。

Competitive Pricing

We maintain competitive pricing through lean manufacturing and bulk sourcing.

Service Philosophy

One-stop technical support: From CAD design reviews to on-site installation guidance.

Customization

Tailored solutions: Support non-standard sizes, coatings (e.g., hot-dip galvanized, dacromet), and packaging.

Production Scale & Capacity

State-of-the-art 10,000㎡ facility with an annual output of 50M+ fasteners.