5/16-24 Bolt & 5/16 Bolt 5/16 Fine Thread Bolt | Buy
5/16-24 Bolt & 5/16 Fine Thread Bolt โ Precision-Grade Fasteners for Industrial & OEM Applications
โก Factory-direct 5/16 bolt with full traceability, ISO 9001 certification, and lead times as fast as 7โ12 days. Cut TCO by up to 32% without compromising on strength or coating performance.
โ 5/16-24 bolt in stock ยท 5/16 fine thread bolt ready for export ยท 30+ countries served since 2010
โ๏ธ Hanguang Industrial Park โ 10,000+ mยฒ facility
๐ด The Real Cost of a โCheapโ 5/16 Bolt
When 5/16-24 bolt or 5/16 fine thread bolt fail in the field, the damage goes far beyond the part price. Here are the six most expensive pain points we hear from procurement and engineering teams every week:
TCO Trap โ 23% Higher Hidden Costs
Off-spec 5/16 bolt leads to rework, field failures, and warranty claims. Our buyers report 23โ37% total cost reduction after switching to certified Boen fasteners.
Lead Time Nightmares โ 45+ Days Delays
Slow suppliers push 5/16-24 bolt delivery to 8โ12 weeks. We ship from stock in 7โ15 days with real-time tracking.
Inconsistent Heat Treatment
A 5/16 fine thread bolt with improper hardening causes shear failures. Every Boen lot is hardness-tested and certified.
Compliance Gaps โ Rejected at Customs
Missing CE, RoHS, or FCC certifications for 5/16 bolt can hold shipments for weeks. We provide full documentation upfront.
High Shipping Cost per Unit
Oversized packaging inflates freight. Our optimized 5/16-24 bolt packing reduces dimensional weight by 18% vs. industry average.
Thread Galling & Installation Downtime
Poor thread finish on 5/16 fine thread bolt causes galling. Our controlled thread geometry reduces installation torque variance by 40%.
๐ You donโt need a cheaper bolt. You need a predictable, certified, and factory-direct supply partner.
โ Engineered for Reliability: The Boen 5/16-24 Bolt & 5/16 Fine Thread Bolt Range
Every 5/16 bolt leaving our factory in Handan is produced under ISO 9001:2015, with full material traceability from melt to finished part. Hereโs what makes our 5/16-24 bolt and 5/16 fine thread bolt different from commodity imports:
Factory-Direct Power
10+ years of export expertise ยท 30+ countries ยท 12,000+ tons annual capacity for 5/16-24 bolt and custom sizes.
Material & Coating Integrity
Carbon steel, alloy steel, SS304/316. Hot-dip galvanized, zinc-plated, Dacromet, and HDG for 5/16 fine thread bolt corrosion resistance.
Precision Thread Geometry
UNF/UNC threads per ASME B1.1. 5/16-24 bolt (24 TPI) and 5/16 bolt (18 TPI) with controlled pitch diameter tolerance.
High-Speed Delivery
Stock 5/16-24 bolt ships in 7โ12 days. OEM/ODM custom runs in 18โ25 days. FOB Tianjin or CIF your port.
Full Compliance Pack
CE, RoHS, ISO 9001, FCC, and REACH. Mill certs, test reports, and COO included with every 5/16 bolt order.
One-Story Service
From material selection to logistics tracking โ dedicated account manager for every 5/16 fine thread bolt inquiry.
๐ Technical Specifications โ 5/16-24 Bolt & 5/16 Fine Thread Bolt
All data valid for 5/16 bolt (nominal diameter 5/16โณ | 7.9375 mm). Tolerances per ASME B18.2.1.
๐ Custom lengths, drive types (hex, socket, flange), and packaging (bulk, poly-bag, barcode-labeled) available for 5/16-24 bolt and 5/16 fine thread bolt orders.
๐๏ธ Where Boen 5/16 Bolt & 5/16 Fine Thread Bolt Are Used
Agricultural Machinery
5/16-24 bolt for disc harrows, balers, and tractor attachments. High vibration resistance.
Automotive & Trailer
5/16 fine thread bolt used in brake assemblies, suspension links, and frame brackets.
Construction & Structural
5/16 bolt for steel-to-steel connections, handrails, and heavy shelving systems.
Energy & Solar
Galvanized 5/16-24 bolt for solar tracker frames and wind turbine access platforms.
๐ก Need a custom length or special coating for your 5/16 bolt application? Tell us your specs โ
๐ Trusted by 300+ Industrial Buyers Across 30+ Countries
+ many more
โWe replaced our previous 5/16-24 bolt supplier with Boen. Lead time dropped from 52 to 14 days, and we saved โฌ0.08 per unit on a 500k order.โ
โThe 5/16 fine thread bolt samples passed our vibration test with zero failures. Full traceability and fast technical support.โ
โBoenโs factory-direct pricing on 5/16 bolt cut our TCO by 31%. The QC documentation is thorough and easy to audit.โ
๐ฌ Real Conversations with Our Clients
๐ฑ WhatsApp & email support in English, Spanish, and Chinese โ response within 2 hours during business hours.
โ Frequently Asked Questions โ 5/16-24 Bolt & 5/16 Fine Thread Bolt
๐น What is the difference between a 5/16-24 bolt and a 5/16 fine thread bolt?
They are the same thread specification. 5/16-24 bolt means 5/16โณ nominal diameter with 24 threads per inch (UNF). 5/16 fine thread bolt is the common name for UNF threads. The standard UNC 5/16 bolt has 18 TPI. Fine threads offer higher tensile strength and better vibration resistance.
๐น What grades are available for 5/16 bolt from Boen?
We stock Grade 2, Grade 5, Grade 8 (SAE J429), and Class 8.8/10.9 (ISO 898-1). For 5/16-24 bolt we recommend Grade 8 or 10.9 for maximum strength. Custom grades available for OEM orders.
๐น Do you offer samples of 5/16 fine thread bolt before bulk order?
Yes. Free samples (up to 10 pieces) for qualified B2B inquiries. You pay only shipping. Weโll provide full dimensional and hardness test report with the sample.
๐น What is the minimum order quantity (MOQ) for 5/16-24 bolt?
Stock sizes: MOQ 5,000 pieces. Custom lengths or coatings: MOQ 20,000 pieces. We offer tiered pricing for 50k, 100k, and 500k+ quantities.
๐น Which certifications do you provide for 5/16 bolt exports?
ISO 9001, CE, RoHS, FCC, and REACH. We also provide mill test reports, heat treatment certificates, and coating thickness reports per ASTM A153 / A123.
๐น How do you handle logistics for 5/16-24 bolt shipments to the USA?
We ship FOB Tianjin, CIF Los Angeles / New York, or DDP your door. Average transit: 25โ32 days by sea. Air freight available for urgent 5/16 fine thread bolt orders.
๐น Can I get custom packaging for my 5/16 bolt order?
Absolutely. Bulk poly bags, barcode-labeled boxes, or heat-sealed kits. We also offer private labeling for OEM distributors.
โญ What Our Clients Say About Our 5/16-24 Bolt & 5/16 Fine Thread Bolt
โWeโve been using Boenโs 5/16-24 bolt for our agricultural line for 18 months. Zero field failures. The cost savings of 28% vs. our previous supplier was just the beginning.โ
โThe 5/16 fine thread bolt samples exceeded our tensile requirements. The team helped us choose the right coating for coastal environment. Highly responsive.โ
โWe needed a reliable 5/16 bolt supplier for our construction projects. Boenโs ISO 9001 certification and fast delivery made the decision easy. Highly recommended.โ
โ๏ธ About the Author โ Liu Wei, Senior Fastener Engineer
With 14 years of experience in industrial fastener design and quality management at Boen Fastener, Liu Wei has overseen the production of over 200 million bolts for global clients. He specializes in thread engineering, coating selection, and cost-optimized B2B supply solutions. His technical insights have helped procurement teams across 30+ countries reduce TCO while maintaining ISO-grade quality.
๐ Ready to Secure Your 5/16-24 Bolt & 5/16 Fine Thread Bolt Supply?
Get factory-direct pricing, full compliance documentation, and delivery in as fast as 7 days.
โ Free samples for qualified buyers ยท โ 100% traceable materials ยท โ Dedicated account manager
๐ง shuan@fastenboen.com ยท mary@fastenboen.com ยท ๐ +86 15630072814 ยท โฐ Daily 09:00โ17:00 (GMT+8)
๐ Your data is protected. We never share your information with third parties. Privacy Policy
