Countersunk Bolt Types & Countersunk Huck Bolt | Factory
Countersunk Bolt Types & Countersunk Huck Bolt — Factory Direct Pricing
🔧 Eliminate supply chain risk, reduce TCO by up to 28%, and get certified fasteners engineered for automotive, agri-machinery & construction.
⚙️ 100,000+ sqm production base
🚨 Why Procurement Managers Are Losing Sleep Over Fasteners
You're not alone. 73% of industrial buyers say fastener inconsistency is their top quality headache. But there is a better way.
✅ Our Solution — Precision Countersunk Bolt Types & Countersunk Huck Bolt
Handan Boen Fastener Mfg. Co., Ltd. (est. 2010) delivers factory-direct fasteners to 30+ countries. Every countersunk bolt type and countersunk huck bolt is produced under ISO 9001, with full traceability.
10+ Years Export
30+ countries, 500+ B2B clients
Full Material Lab
Chemical analysis, hardness, tensile testing
Mixed SKU Consolidation
One box, one invoice, one tracking number
15–25 Day Lead Time
Rush orders available (7–10 days)
📊 Technical Specifications — Countersunk Bolt Types & Countersunk Huck Bolt
| Parameter | Countersunk Bolt (Flat Head) | Countersunk Huck Bolt | Standard / Grade |
|---|---|---|---|
| Head Angle | 82° / 90° / 100° | 90° / 100° (flush fit) | ANSI B18.6.3 / DIN 963 |
| Material Grades | Carbon steel 4.8/8.8/10.9, SS304/316, Alloy | Alloy steel 10.9/12.9, SS316, A286 | ISO 898-1 / ASTM A193 |
| Diameter Range | M3 – M24 (1/4″ – 1″) | M6 – M20 (3/8″ – 3/4″) | Metric & UNC/UNF |
| Tensile Strength | Up to 1,200 MPa (10.9 grade) | Up to 1,400 MPa (12.9 grade) | ASTM F568 / ISO 898 |
| Coating / Plating | Zinc (clear/yellow), HDG, Dacromet, ZnNi | ZnNi, Dacromet, PTFE, Xylan | RoHS / ELV compliant |
| Salt Spray Resistance | 72–720 hrs (depending on coating) | 240–1,000 hrs (ZnNi / Dacromet) | ISO 9227 / ASTM B117 |
🔍 Note: Custom head angles, drive types (Phillips, Torx, Hex), and thread forms are available for OEM/ODM orders.
Countersunk huck bolt used in harvester frames — 40% fewer loosening incidents.
Flat-head countersunk bolt types for steel decking — 0.2mm flush tolerance.
10.9 grade countersunk bolts for chassis brackets — 100% batch tested.
Mixed SKU kits reduce assembly line downtime by 22%.
🏆 Trusted by Global Industry Leaders
+ 50 more OEM partners
RoHS, REACH, PAHs
"We switched to Boen for countersunk huck bolt supply. Downtime from fastener failure dropped 63%. Their batch traceability is best-in-class."
"Consolidating 12 countersunk bolt types into one monthly shipment saved us 31% on logistics. The quality docs are always on point."
"Their 10.9 grade countersunk bolts passed our 500-hour salt spray test on the first try. No other supplier hit that mark."
❓ Frequently Asked Questions
We produce flat head 82°/90°/100°, bugle head, and undercut countersunk bolts in metric and inch sizes. Our countersunk huck bolt range covers 90° and 100° flush-fit for structural applications.
A countersunk huck bolt uses a swaged-on collar instead of a nut, providing higher clamp load and vibration resistance. Standard countersunk bolts rely on threaded engagement — both are available from our factory.
Yes. We can customize head angle, drive type, thread length, material grade, and coating. Minimum order quantity for OEM is 5,000 pieces per SKU.
All our products are ISO 9001:2015 certified. Countersunk huck bolt lines carry CE, RoHS, and REACH compliance. UL and FCC certificates are available on request.
Standard lead time is 15–25 working days. Rush orders (7–10 days) available at 5% surcharge. Payment: T/T, L/C, PayPal (for samples). We also offer free samples for qualified buyers.
Every batch undergoes dimensional inspection, hardness test, tensile test, and salt spray test. We provide mill test certificates and full traceability from raw material to final pack.
We accept LCL (less than container load) from 2 tons. Mixed SKU consolidation is one of our core strengths — you can combine countersunk huck bolt, flat head bolts, washers, and nuts in one shipment.
Use the CTA form below, email us at shuan@fastenboen.com, or call/WhatsApp +86 15630072814. We typically respond within 4 hours during business hours (09:00–17:00 CST).
⭐ Real Reviews from Global Buyers
"We use their countersunk huck bolt for our wind tower platforms. The vibration resistance is unmatched. Delivery was 3 days early."
"The technical data sheet for each countersunk bolt type saved us weeks of validation. Great partner for our ISO audit."
"Consolidated 8 SKUs into one LCL shipment. Saved $2,800 on freight. The quality is consistent — batch after batch."
"Their factory-direct pricing on countersunk huck bolt is 18% lower than our previous supplier. No compromise on specs."
James is a senior industrial fastener engineer with 14 years of experience in cold forming, heat treatment, and supply chain quality. He leads technical sales at Boen Fastener and has consulted for automotive and construction OEMs across Europe and North America.
📞 Ready to Secure Your Fastener Supply Chain?
Get factory-direct pricing, full certifications, and delivery in 15–25 days.
⏳ Limited-time offer: Free samples + 5% discount on first container order. 🔒 100% quality guarantee or full refund.
📍 Hanguang Industrial Park, Yongnian District, Handan, Hebei, China
