1/4-20 Socket Head Cap Screw & 1/4-20 Socket Head Screw | Buy
Premium 1/4-20 Socket Head Cap Screw & 1/4-20 Socket Head Screw – Factory Direct, Engineered for Reliability
🛠️ Stop overpaying for inconsistent fasteners. Get ISO‑9001 certified 1/4‑20 socket head cap screws with full traceability, competitive pricing, and 10‑day lead times – built for buyers who demand quality without the premium markup.
📥 Get Free Quote in 24h✓ Free samples available ✓ OEM/ODM supported ✓ Shipped to 30+ countries
⚙️ 10+ years export expertise – Handan, China
😤 Are These Fastener Headaches Costing You Time & Money?
Every day you rely on socket head cap screws, small failures can ripple into big losses. Here’s what we hear from buyers like you:
High Price, Low Consistency
“We were paying $0.35/piece for 1/4‑20 socket head cap screws, but 12% failed torque testing. That’s $4,200 scrap per batch.”
Shipping Delays & Stockouts
Lead times of 6‑8 weeks forced you to air‑freight urgent orders – tripling your logistics cost and angering your own customers.
Inconsistent Thread Quality
Galling, burrs, and off‑spec threads caused assembly line stoppages. 47 minutes of downtime per incident – at $180/min, that hurts.
Compliance Headaches
No clear CE, RoHS, or ISO documentation meant your QA team rejected entire shipments – wasting weeks of procurement effort.
👉 You deserve a supplier that eliminates these risks – not adds to them.
✅ Why Boen Fastener’s 1/4‑20 Socket Head Cap Screw Is the Smart Choice
Engineered for performance, backed by factory‑direct economics.
Powerful Factory – Direct to You
10+ years of export experience, 30+ countries served. No middlemen, no markups.
Quality Assurance You Can Trust
ISO 9001, CE, RoHS compliant. Every batch is tested for hardness, tensile strength, and thread fit.
High‑Speed Delivery
Standard lead time 10–15 days for 1/4‑20 socket head cap screws. Expedited options available.
OEM/ODM Design Flexibility
Custom head markings, coatings (zinc, black oxide, Dacromet), and packaging to your specs.
📋 Technical Specifications – 1/4‑20 Socket Head Cap Screw
| Thread Size | 1/4‑20 UNC |
| Head Type | Socket head cap (hex socket) |
| Material Grades | Alloy steel 10.9 / 12.9, stainless steel 304 / 316, carbon steel 4.8 / 8.8 |
| Surface Finish | Plain, zinc plated, hot‑dip galvanized, black oxide, Dacromet |
| Length Range | 3/8″ to 6″ (custom lengths available) |
| Drive Size | 3/16″ hex (standard) / 5/32″ hex (for smaller sizes) |
| Tensile Strength | Up to 170,000 psi (grade 12.9) |
| Certifications | ISO 9001, CE, RoHS, FCC, REACH |
| Packaging | Bulk (25kg bag), box, custom labeling, OEM kits |
* Full engineering drawings and 3D models available on request.
🔧 Where the 1/4‑20 Socket Head Screw Delivers Real Value
🌍 Trusted by Engineers & Procurement Teams Worldwide
Real results from real partners – because your reputation depends on what you fasten.
🏢 Supplied to leading brands & OEMs across industries
+ 20 more global partners
✅ RoHS · REACH · ISO 9001 · CE · FCC
Procurement Manager, Nordic Agri AB
“We switched to Boen for our 1/4‑20 socket head cap screws. 15% cost reduction and zero thread defects in 6 months. Their traceability reports save us hours of QA paperwork.”
Supply Chain Lead, Apex Robotics
“Consistent quality and 12‑day delivery from China to our Texas warehouse. We’ve cut inventory buffer by 40% because we trust their lead times.”
Technical Director, EuroStruct GmbH
“The OEM coating options are excellent. We use black oxide 1/4‑20 socket head screws for our outdoor solar trackers – no corrosion after 18 months.”
💬 Real conversations with our clients – fast response, clear communication.
❓ Frequently Asked Questions about 1/4‑20 Socket Head Cap Screws
🔹 What is the difference between a 1/4‑20 socket head cap screw and a regular hex bolt?
A socket head cap screw has a cylindrical head with a hex socket drive, allowing higher torque and a cleaner appearance. It’s ideal for tight spaces and applications where a low profile is needed. The 1/4‑20 thread is UNC coarse, offering excellent grip in most materials.
🔹 What grades do you offer for 1/4‑20 socket head screws?
We stock alloy steel grades 10.9 and 12.9, stainless steel 304 & 316, and carbon steel 4.8/8.8. Grade 12.9 provides the highest tensile strength (up to 170,000 psi) for demanding structural applications.
🔹 Can you provide custom packaging or OEM labeling?
Absolutely. We offer OEM/ODM services including custom head markings, private labeling, barcode stickers, and bulk or kit packaging. Just share your specs and we’ll tailor the solution.
🔹 What are your typical lead times and shipping costs?
Standard lead time is 10–15 working days for 1/4‑20 socket head cap screws. Express production (5–7 days) is available for urgent orders. Shipping costs depend on quantity and destination – we offer FOB, CIF, and DDP terms to simplify your logistics.
🔹 Do you provide free samples for evaluation?
Yes! We offer free samples (qty up to 10 pieces) for qualified B2B buyers. You only pay shipping. Contact us with your requirements and we’ll arrange a sample kit with full test reports.
🔹 What certifications do you have for the US and EU markets?
Our factory is ISO 9001:2015 certified. Our products comply with CE, RoHS, REACH, and FCC standards. We also provide material test certificates and traceability documentation per EN 10204.
🔹 How do I place an order and what payment methods do you accept?
Simply email us or use the contact form below. We accept TT, L/C, PayPal (for samples), and Western Union. Minimum order quantity (MOQ) is typically 5,000 pieces for standard sizes, but we can be flexible for first-time trials.
🚀 Ready to Secure Reliable 1/4‑20 Socket Head Cap Screws?
Get a free quote within 24 hours. Request samples, check stock, or discuss your custom requirements – no pressure, just solutions.
⏳ Limited‑time offer: free sample pack (10 pcs) for first‑time B2B orders. | ✅ 30‑day money‑back guarantee on quality
✍️ About the Author – David Chen
David Chen is a senior fastener engineer and export manager at Handan Boen Fastener Manufacturing Co., Ltd. With 14 years of experience in the industrial fasteners industry, he has helped over 200 B2B clients in 30+ countries select the right socket head cap screws, bolts, and anchoring solutions. He is passionate about helping buyers reduce costs without compromising on safety or performance.
