Self-Tapping Screws (Sheet Metal Screws) Type A, AB, B & High-Low

Self-Tapping Sheet Metal Screw Specifications & Types We Carry

Screw Type	Thread Design	Material Suitability	Penetration	Holding Strength	Typical Use	Point Type
High-Low	Alternating high/low threads for better grip	Thin metals and softer materials	Fast; less driving torque required	Good; reduces stripping in soft metals	Sheet metal, thin panels	Sharp, pointed
Type A	Coarse threads with sharp point	Wood, plastics, aluminum	Quick penetration in soft material	Moderate	Wood, plastic, aluminum	Sharp
Type B	Finer threads; blunt tip	Harder metals (e.g., steel)	Slower; more torque needed	High in harder metals	Hard metal fastening	Blunt / slight radius
Type AB	Hybrid of Type A & Type B	Versatile: soft and hard materials	Moderate; balanced torque	Moderate to high	General-purpose, mixed-material fastening	Sharp / hybrid

Why Customers Choose Springs Fastener for Self-Tapping Screws

• Over 50,000 fasteners in-stock (including over 3,000 self-tapping screw SKUs)
• Nationwide shipping with most orders shipped within 24 hours
• Tiered pricing for bulk orders
• 40+ years of supplying fasteners across the country in individual quantities and large-scale orders

Order Self-Tapping Screws in Bulk

Springs Fastener supplies self-tapping screws in bulk to meet the demands of projects across industries. Whether you need standard or specialized sizes, we provide reliable fasteners with the quantities and quality you require. Our team is committed to fast turnaround, competitive pricing, and dependable service. Request a quote today to learn more about bulk ordering options for self-tapping screws.

Self-Tapping Screws Frequently Asked Questions (FAQs)

• What are self-tapping screws?
  • Self-tapping screws have sharp points and hardened threads that cut into the material as they are driven into a pre-drilled hole. Learn more about self-tapping screws.
• How are self-tapping screws different from self-drilling screws?
  • Self-tapping screws require pre-drilled holes for installation, while self-drilling screws feature built-in drill tips that allow them to drill their own hole. Learn more about the differences between self-tapping screws and self-drilling screws.