2BA Socket Head Cap Screws & 316 Stainless Steel Screws | Buy

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2BA Socket Head Cap Screws & 316 Stainless Steel Socket Head Cap Screws

⚙️ Factory-direct precision fasteners for OEMs, distributors & contractors — slash lead times, guarantee corrosion resistance & cut procurement costs by up to 32%.

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✓ ISO 9001:2015 ✓ CE ✓ RoHS ✓ 10+ years export expertise

📑 Contents | Pain Points Solutions Specs Proof FAQ Reviews CTA

😤 Tired of expensive, slow, or unreliable fastener supply?

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Price Volatility

Stainless steel surcharges erode margins — our factory pricing locks in 15–20% savings vs. distributors.

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Lead Time Nightmares

Average 8–12 weeks from traditional mills — we ship 70% of orders within 15 days.

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Inconsistent Quality

Mixed batches cause field failures — we test every lot with certified traceability.

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Shipping Complexity

High freight + hidden duties — we offer DDP & consolidated LCL to keep costs down.

⬆️ 76% of procurement managers report that fastener quality failures cause production line stoppages. Don't let cheap screws cost you thousands.

✅ Why Boen Fasteners delivers what others can't

Direct from our Handan factory — 35,000m², 200+ machines, 10+ years of export excellence.

🏭 In-House Production — full control from raw material to final threading, ISO 9001:2015 certified.
🔩 2BA & 316 SS Expertise — we specialize in British Association threads and marine-grade stainless, with full material certs (EN 10204 3.1).
⚡ High-Speed Delivery — stock program for popular sizes, 7–15 days for standard orders, 30 days for OEM.
📐 OEM/ODM Customization — drive types, coatings (Zn, PTFE, Dacromet), head markings, and packaging.
📦 One-Stop Service — from material selection to logistics tracking, including DDP / FOB / CIF options.

📋 Technical Specifications — 2BA Socket Head Cap Screws & 316 Stainless Steel

Parameter	2BA Socket Head Cap Screw	316 SS Socket Head Cap Screw
Thread Standard	BS 84:1956 — 2BA (55° thread angle)	ISO 898-1 / ASTM F593 (60° metric & imperial)
Material	Carbon steel 10.9 / alloy steel 12.9	AISI 316 (UNS S31600) — Mo-bearing austenitic
Corrosion Resistance	Zinc / ZnNi / Dacromet (200–800h SST)	Excellent — resists chlorides, acids, marine environments
Tensile Strength	1,000–1,200 MPa (10.9/12.9)	700–850 MPa (solution annealed)
Temperature Range	-40°C to +150°C (coating dependent)	-200°C to +800°C (intermittent)
Certifications	ISO 9001, CE, RoHS, REACH	ISO 9001, CE, RoHS, EN 10204 3.1, FDA (food contact)
Common Sizes	#2BA x 3/8" to 2" (also M4–M12 equivalent)	M3–M20, 1/4"–3/4" UNC/UNF, #4–#10

📌 All dimensions and performance data per ASTM F593 / BS 84. Custom sizes available on request.

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Marine & Offshore

316 SS screws for deck fittings, hatch covers, and engine components — 10x longer life in salt spray.

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Construction & Structural

2BA screws for steel framing, curtain wall, and high-tension joints — 12.9 grade certified.

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Agricultural Machinery

Corrosion-resistant fasteners for harvesters, sprayers, and irrigation — zero field failures in 3 years.

🌍 Trusted by 30+ countries — from OEMs to distributors

+ 25 more

"We switched to Boen's 316 SS socket head cap screws for our offshore platforms. Corrosion failures dropped by 87% and we saved 22% on annual fastener spend."

— Lars J., Senior Procurement Manager, Norway

"Boen's 2BA socket head cap screws are the only ones that meet our 12.9 grade spec consistently. On-time delivery >98% over 2 years."

— Maria C., Supply Chain Director, Germany

❓ Frequently Asked Questions

🔹 What is a 2BA thread, and where is it used?

2BA (British Association) is a 55° thread form per BS 84, commonly used in legacy British equipment, precision instruments, and some automotive applications. We produce 2BA socket head cap screws in grade 10.9 and 12.9, fully interchangeable with original specs.

🔹 Are 316 stainless steel socket head cap screws suitable for food processing?

Yes. AISI 316 (1.4401) is FDA-compliant for food contact, and our 316 stainless steel socket head cap screws are passivated per ASTM A967, ensuring no contamination.

🔹 What is the minimum order quantity (MOQ)?

Standard stock sizes: MOQ 500 pcs per size. For OEM custom orders, MOQ is 2,000 pcs. We also offer sample packs (50 pcs) for qualification.

🔹 How do you handle shipping and customs?

We offer FOB, CIF, and DDP terms. For DDP, we handle all duties and taxes — you receive a delivered price with no surprises. Typical transit: 12–20 days by sea, 5–8 days by air.

🔹 Can you provide material certificates?

Absolutely. Every batch of 2BA socket head cap screws and 316 SS screws comes with EN 10204 3.1 mill test reports, plus coating thickness and hardness data upon request.

🔹 What payment methods do you accept?

T/T (30% deposit, 70% before shipment), L/C at sight, and for established customers, net 30 terms available. We also accept PayPal for sample orders.

🔹 How long does a custom OEM order take?

Tooling 5–7 days, production 15–20 days, plus shipping. We've delivered OEM orders in 22 days to European clients. Urgent? Ask about our express service.

⭐ Real reviews from global buyers

Antonio R.

"We tested 5 suppliers for 2BA socket head cap screws. Boen was the only one that passed our 200h salt spray test. Now our sole supplier."

Elena V.

"The 316 stainless steel socket head cap screws are flawless. Zero rejects in our 50,000 pcs order. Highly recommend."

David K.

"Fastest delivery I've ever experienced from a Chinese fastener factory. 12 days from order to Rotterdam. Great communication."

💬 Real conversations with our team

✍️ Written by Michael Tang — Senior Fastener Engineer, Boen Fasteners

Michael has 14 years of experience in precision threading and material science, overseeing QC for 2,000+ export batches. He regularly speaks at Fastener Technology International and holds three patents in corrosion-resistant coatings.