Stainless Steel Fasteners Manufacturer
Factory-Direct Stainless Fasteners

Custom Stainless Steel Screws & Hardware

OEM factory · 201/304/316 · Save 10–30% · 3–7-day samples · Flexible MOQ

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Custom Stainless Steel Fasteners

201 / 304 / 316 materials, CNC turning & milling, thread standards Metric / UNC / UNF. Send your drawing or sample — we deliver precise fit and quick sampling.

CHANG KUAN Custom SS non-standard fasteners (201/304/316)

Custom SS Non-standard Fasteners

  • SS 201 / 304 / 316, corrosion-resistant
  • By drawing/sample — CNC turning & milling, tol. ≤ ±0.01 mm
  • Metric / UNC / UNF; studs, sleeves, spacers, inserts, nuts
  • Finish: passivation / polish / sandblast; RoHS/REACH; samples 3–7 days
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CHANG KUAN 304 stainless steel hex socket / Phillips machine screws

304 SS Hex-Socket / Phillips Screws

  • A2-304 stainless, corrosion-resistant
  • Sizes: M3–M12, L 6–80 mm (UNC/UNF on request)
  • Precision: thread 6g, machining ≤ ±0.01 mm
  • Finish: passivation / polish; RoHS & REACH
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CHANG KUAN 304 stainless steel bow/D shackles with screw pin or bolt-nut type

304 SS Bow / D Shackles

  • Marine-grade A2-304, mirror-polished, corrosion-resistant
  • Types: bow & D shackles; screw-pin / bolt-nut-cotter
  • Sizes: M5–M20 (3/16″–3/4″), WLL marked, safety factor 4:1
  • Applications: rigging, lifting, sailing; custom logo/packaging
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CHANG KUAN 201/304 stainless steel wing nuts (DIN 315) – butterfly nuts

201/304 SS Wing Nuts (DIN 315)

  • Corrosion-resistant; tool-free tightening
  • Standard: DIN 315; sizes M4–M12 (UNC #8–1/2 on request)
  • Threads: Metric / UNC / UNF; round or flat wings
  • Finish: passivation / polish; RoHS/REACH compliant
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CHANG KUAN 304 stainless steel key stock — parallel (DIN 6885) & Woodruff (DIN 6888) keys

304 SS Parallel & Woodruff Keys

  • Material: A2-304 stainless, corrosion-resistant
  • Types: parallel/square (A-type chamfered/rounded), Woodruff (semi-circular)
  • Sizes: 3×3–20×12 mm, length 10–100 mm; custom sizes available
  • Standards/tolerance: DIN 6885 / DIN 6888, deburred & polished
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CHANG KUAN 304 stainless steel flat washers DIN 125 / ISO 7089

304 SS Flat Washers (DIN 125 / ISO 7089)

  • A2-304 stainless, corrosion-resistant
  • Standard: DIN 125 / ISO 7089 (Form A plain / Form B chamfered)
  • Sizes: M3–M36; ID/OD/thickness per spec (ISO 7090 on request)
  • Finish: passivation / polish; deburred edges; RoHS/REACH
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CHANG KUAN 304 stainless steel blind (POP) rivets — open-end, dome/flat/countersunk heads

304 SS Blind (POP) Rivets

  • A2-304 body & mandrel, corrosion-resistant
  • Types: open-end; dome / flat / countersunk heads
  • Sizes: Ø2.4–6.4 mm (3/32″–1/4″); grip 0.5–12.7 mm
  • One-side riveting for sheet metal & enclosures; RoHS/REACH
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CHANG KUAN 304 stainless steel wire rope clips (U-bolt clamps) DIN 741

304 SS Wire Rope Clips (DIN 741)

  • A2-304 stainless; U-bolt + saddle + hex nuts
  • For wire Ø1.5–16 mm (1/16″–5/8″)
  • Use: rigging & rope eye splicing (2–3 clips per eye)
  • Finish: polish/passivation; galvanized carbon steel optional
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Customize Your Fastener
Stainless nut
WHY CHOOSE US

Why Customers Choose Our Stainless Steel Fasteners

For 201 / 304 / 316 applications, we deliver consistent, corrosion-resistant fastening solutions. Custom manufacturing from drawings/samples and global delivery are available.

Full Material Coverage: 201 / 304 / 316

Material & surface-finish options for outdoor, marine and food-grade uses—balanced cost and corrosion resistance.

Precision Machining & High Consistency

Automated processes with in-process QC (thread gauges, hardness, dimensions) for stable lots and smooth assembly.

Rigorous Quality Validation

Salt-spray, tensile and dimensional reports available with shipments; pre-production samples for peace of mind.

Custom from Drawing / Sample

Special heads, threads and lengths; non-standard parts; quick prototyping and small batches supported.

On-time Delivery & Export-ready Packing

Stock on standards & transparent scheduling; custom labels, barcodes and pallet reinforcement for global logistics.

Certifications & Compliance

ISO 9001 QMS; RoHS / REACH compliance; third-party testing available on request.

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Customize Your Fastener
Factory & quality — Hebei Changkuan
Products & application — Hebei Changkuan

ABOUT US

Engineering-grade fit, proven in production

Hebei Changkuan Metal Products Co., Ltd. focuses on stainless-steel fasteners and matched screw/barrel parts. Combining reverse engineering with custom manufacturing, we provide stable, reliable solutions for retrofits, spare parts replacement and new line ramp-ups.

  • • 20+ years of reverse-engineering know-how; 100+ models covered.
  • • Build-to-print / build-to-sample, accuracy up to ±0.01 mm.
  • • Full outgoing checks on dimensions, fit and heat treatment.
  • • Long-term customers across 80+ countries and regions.

201 / 304 / 316 Material Coverage

Corrosion-resistant stainless steels for outdoor, marine and food-grade environments—balanced cost and durability.

Built to Drawing / Sample

Screws, bolts, nuts and hardware to spec—tolerances and surface finishes selectable to your application.

Scalable Delivery & Stable Supply

Stock on standards + fast prototyping for specials; transparent lead times and export-ready packing.

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Define Objectives

We clarify performance, assembly and commercial targets—drawings or samples, packaging & labeling, and delivery requirements.

Request Engineering Support

Quality Control & Certifications

Material Traceability PMI/spectro verification for inbound lots (201 / 304 / 316), with heat & batch traceability.
Salt Spray Test Neutral Salt Spray (NSS) per common standards (e.g., ASTM B117 / ISO 9227). Reports available on request.
Dimensional Inspection GO/NO-GO thread gauges, optical projector, calipers/height gauge for critical dimensions.
Mechanical Strength Hardness / tensile / torque testing to specification; validation before mass production.
ISO 9001 RoHS / REACH PPAP / CoC Full Inspection Optional
Request Test Reports / Compliance

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