5/16 Concrete Screws & 5/8 Concrete Screw Anchor | Wholesale
Wholesale 5/16 Concrete Screws & 5/8 Concrete Screw Anchor — Engineered for Tough Jobs
⚙️ Cut procurement costs by 27–35% with zero compromise on holding strength. Trusted by contractors & procurement teams across 30+ countries for consistent quality, on-time delivery, and full traceability.
✅ ISO 9001 · CE · RoHS · Free samples available · MOQ from 1,000 pcs
⚠️ The Real Cost of a Failed Concrete Anchor
Every year, over 15% of on-site rework in commercial construction stems from fastener failure. If you're sourcing 5/16 concrete screws or 5/8 concrete screw anchor components purely on price, you're likely facing:
Pull-out Failures
Substandard thread geometry leads to 40% lower pull-out resistance in concrete block. That means costly re-anchoring and project delays.
Inconsistent Torque Values
Batch-to-batch hardness variation causes unpredictable drive-in — stripping heads or breaking bits on site.
Corrosion & Rust Claims
Inadequate plating (under 8µm) leads to red rust in less than 72 hours in humid environments. Warranty claims eat your margin.
Hidden Logistics Costs
Split shipments, delayed customs documentation, and mixed-grade batches add 12–18% in hidden overhead to your procurement.
👉 You don't need a cheaper anchor — you need a reliable, traceable supply partner.
🏆 Why Boen Fasteners — Engineered Reliability
We don't just make 5/16 concrete screws and 5/8 concrete screw anchor products — we engineer them for consistent performance across every batch. Here's what sets us apart:
Factory-Direct Power
Own production lines in Handan, China. Eliminate middlemen — save 27–35% vs. branded distributors.
Full Material Traceability
Every batch of 5/16 concrete screws comes with a mill certificate. Carbon steel, 304/316 stainless, or hot-dip galvanized.
High-Speed Delivery
20–30 days for standard orders. Express line available for urgent projects — we've shipped to 30+ countries without delay.
📊 Technical Specifications — 5/16 Concrete Screws & 5/8 Concrete Screw Anchor
All dimensions in inches (") and millimeters (mm). Tested per ASTM E488 / ETAG 001 standards.
| Parameter | 5/16 Concrete Screw | 5/8 Concrete Screw Anchor |
|---|---|---|
| Thread Diameter | 5/16" (7.94 mm) | 5/8" (15.88 mm) |
| Length Range | 1-1/4" – 4" (32 – 102 mm) | 2" – 8" (51 – 203 mm) |
| Material Grades | Carbon Steel (C1022), 304 SS, 316 SS | Carbon Steel (C1045), 304 SS, 316 SS |
| Hardness (Core) | HRC 38 – 42 | HRC 40 – 45 |
| Plating / Coating | Zinc-plated (8–12µm), Hot-dip galvanized, or plain | Zinc-plated (10–15µm), HDG, or Dacromet |
| Pull-out Resistance (4000 psi concrete) | 1,850 lbf (8.2 kN) | 4,700 lbf (20.9 kN) |
| Recommended Hole Size | 5/16" (7.94 mm) – drill bit | 5/8" (15.88 mm) – drill bit |
| Embedment Depth | 1" – 1-1/2" (25 – 38 mm) | 1-3/4" – 3" (44 – 76 mm) |
🔬 Data based on internal lab tests (2025). Performance may vary with concrete grade and installation method. Request full test report →
🏗️ Where to Use 5/16 & 5/8 Anchors
Steel-to-Concrete Connections
Ideal for securing columns, handrails, and heavy machinery bases. 5/8 concrete screw anchor rated for 4,700 lbf pull-out.
Concrete Block & Brick
5/16 concrete screws excel in 8" CMU and brick veneer. Self-tapping design reduces spalling — FAST install with no sleeve.
Industrial Racking & Mezzanines
Heavy-duty racking requires 5/8 anchor reliability. Our anchors meet FEMA 356 seismic criteria for storage systems.
Residential & Light Commercial
Deck ledgers, sill plates, and overhead doors. 5/16 concrete screws in 304 SS for corrosion-free coastal projects.
⭐ Real Reviews from Global Buyers
We let our 5/16 concrete screws and 5/8 concrete screw anchor quality speak for itself.
Procurement Manager, Germany
“We switched to Boen for our 5/8 concrete screw anchor supply. Pull-out test results were 12% above specification. Delivery was 4 days early. We've placed 3 repeat orders.”
Operations Director, Singapore
“The 5/16 concrete screws in 316 SS are perfect for our marine infrastructure projects. Corrosion resistance is outstanding — zero rust after 6 months in coastal exposure.”
Construction Lead, Ireland
“We tested 3 suppliers for 5/8 concrete screw anchor. Boen had the best consistency in thread formation and plating thickness. Now our standard spec.”
Supply Chain Manager, UAE
“Fastest turnaround from a Chinese supplier — 18 days from PO to Dubai port. The 5/16 concrete screws passed our third-party lab inspection with flying colors.”
Technical Director, Netherlands
“We needed a custom length for a seismic retrofit. Boen's team designed a 5/8 concrete screw anchor with extra thread length. Perfect engineering support.”
💬 Real Conversations with Our Clients
📱 Direct WhatsApp communication — fast response, real support.
❓ Frequently Asked Questions
🔹 What is the difference between a 5/16 concrete screw and a 5/8 concrete screw anchor?
The 5/16 concrete screw is designed for lighter to medium-duty applications like handrails, shelving, and light fixtures. The 5/8 concrete screw anchor is a heavy-duty anchor for structural connections, racking, and machinery — with 2.5x the pull-out resistance.
🔹 Can I get custom lengths for 5/8 concrete screw anchor?
Yes. We offer OEM/ODM custom lengths from 2" to 12" for the 5/8 anchor. Minimum order quantity for custom lengths is typically 5,000 pcs. Contact our engineering team for a quote.
🔹 What certifications do Boen 5/16 concrete screws carry?
Our products are ISO 9001:2015 certified, CE-marked under EN 14592, and comply with RoHS and REACH. We also provide mill certificates and third-party test reports upon request.
🔹 What is the MOQ for wholesale orders?
Standard MOQ is 5,000 pcs per size for stock items. For mixed sizes or custom specs, we can negotiate based on total order value. Free samples are available for qualified buyers.
🔹 How do you handle shipping and logistics?
We ship via sea freight (FOB Tianjin/CIF) for bulk orders, and air express (DHL/FedEx/UPS) for samples and small orders. Typical lead time: 20–30 days for sea, 5–7 days for air. We provide full tracking and customs documentation.
🔹 Can I get a sample before placing a bulk order?
Absolutely. We offer free samples (you pay shipping) for up to 10 pcs of either 5/16 concrete screws or 5/8 concrete screw anchor. Just email us your delivery address and preferred specification.
🔹 What payment terms do you accept?
We accept T/T (30% deposit, 70% before shipment), L/C at sight, and Western Union for small orders. For established clients, we can discuss net 30 terms on a case-by-case basis.
David Liang
Senior Fastener Engineer · 14 years in industrial fasteners · Handan Boen Fastener Manufacturing Co., Ltd. David oversees product development and quality assurance for concrete anchoring systems. He has helped 200+ B2B clients in 30+ countries select the right anchor for their applications. Reach him at shuan@fastenboen.com.
Ready to Secure Your 5/16 & 5/8 Anchor Supply?
✅ Free samples for qualified buyers · ✅ Factory-direct pricing · ✅ 24h quote turnaround · ✅ Full traceability & certification
📧 shuan@fastenboen.com · 📞 +86 15630072814 · 🌐 www.boenfasteners.com
🏢 Hanguang Industrial Park, Yongnian District, Handan City, Hebei Province, China · Daily 09:00 – 17:00
🏭 Trusted by Engineers & Procurement Teams Worldwide
10+ years of export expertise · 30+ countries · 200+ B2B clients
Automated cold-forging & heat-treat lines with real-time hardness testing.
Salt spray, torque, and pull-out tests performed every batch. ISO 9001 certified.