Premium Round Head Socket Screw & Screw On Buttons — Direct Factory Supplier

⚙️ Cut fastener costs by 27–40% without compromising on ISO-grade quality. Serving OEM buyers, procurement managers & technical directors in automotive, agriculture & construction across 30+ countries.

✅ 10+ years export expertise | ✅ ISO 9001 certified | ✅ Free samples available

🏭 Handan, China — Production Base

“Prices keep rising, but my budget is fixed.”

Global steel volatility + shipping surcharges = 22% higher TCO than 2023. Procurement managers need stable pricing.

“Threads strip, heads snap — rejects pile up.”

A 2025 industry survey found 13% of imported fasteners fail basic torque tests. Downtime costs you $2,800+/hour.

“Lead times blow past 10 weeks — again.”

Supply chain disruptions mean 1 in 3 shipments arrives late. Operations managers can’t afford idle lines.

“Certifications? Missing or faked.”

Without ISO, CE, RoHS — you risk compliance audits and rejected shipments. Trust is hard to verify.

Powerful Factory — Direct Control

We own the production line: 40+ CNC machines, 12 automated cold-forging presses, and in-house heat treatment. No middlemen, 27% lower cost than distributors.

Quality Assurance — ISO 9001 + 3-Stage QC

Every batch of round head socket screw and screw on buttons goes through: incoming raw material testing → in-process dimensional check → final torque & hardness test. Reject rate <0.3%.

High-Speed Delivery — 12–25 Days

Stock items ship within 7 days. Custom OEM orders: 15–25 days from PO to port. We use smart logistics to cut freight costs by 18% vs. market average.

OEM/ODM Design — Your Spec, Our Precision

Need a custom head profile, thread pitch, or material grade? We support full custom design — from 4.8 to 12.9 grade, carbon steel, stainless steel 304/316, brass, and alloy. Free design review within 48h.

Agricultural Machinery

Tractor attachment points, harvester blade fasteners. Result: 34% longer service life vs. standard bolts (customer data from Germany).

Automotive Assembly

Engine bracket bolts, interior trim screw-on buttons. Torque consistency within ±3% — passed Ford Q1 audit.

Construction & Structural Steel

Steel beam connections, scaffolding clamps. Load capacity: 120 kN for M20 12.9 grade. 25% faster installation with our hex drive design.

Industrial Equipment

Conveyor system fasteners, machine guard screw-on buttons. Zero loosening after 500,000 vibration cycles (test report available).

Q1: What is the MOQ for round head socket screw and screw on buttons?

A: Standard sizes: 5,000 pcs per item. For custom OEM orders: 10,000 pcs. We also offer sample orders (100–500 pcs) for testing — free samples available for qualified buyers.

Q2: How do you ensure quality consistency for large volumes?

A: We follow ISO 9001:2015 with 3-stage QC: incoming material inspection → in-process SPC monitoring → final random sampling (AQL 0.65). Each batch gets a unique traceability code.

Q3: What is the typical lead time for screw on buttons?

A: Stock items: 5–7 days. Custom orders: 15–25 days after sample approval. Express shipping (DHL/FedEx) available for urgent needs.

Q4: Do you provide OEM/ODM design support?

A: Yes. Send us your drawing, sample, or sketch. Our engineering team provides free DFM feedback within 48h. We handle tooling, prototyping, and mass production.

Q5: What payment terms do you accept?

A: T/T (30% deposit, 70% before shipment), L/C at sight, PayPal (for samples). For long-term contracts, net 30/60 terms available after credit evaluation.

Q6: How do you handle shipping costs and logistics?

A: We work with Maersk, MSC, and COSCO for sea freight, and DHL/UPS/FedEx for air. Our logistics team consolidates orders to reduce per-unit freight by 15–22%. FOB, CIF, DDP all supported.

Q7: Can I visit your factory in Handan, China?

A: Absolutely! We welcome factory audits. Located in Hanguang Industrial Park, Yongnian District, Handan. We can arrange airport pickup from Beijing or Zhengzhou. Virtual tours also available via video call.

Q8: What after-sales support do you offer?

A: 12-month warranty against manufacturing defects. Dedicated account manager + online tracking. 48h response time for any quality claim. Replacement or refund issued promptly.