Nuts & Washers · Factory Direct Export

Precision Nuts & Washers, Engineered to Standard

DIN, ISO and ASTM standard fasteners from a single ISO 9001 certified factory — metric and inch ranges from M2 to M100, carbon steel to A4-80 stainless, delivered with EN 10204 3.1 mill certificates.

18+
Years of Manufacturing
40+
Export Countries
12,000t
Annual Capacity
24h
RFQ Response Time
Product Range

Two Focused Product Lines

We do two things and do them well: nuts and washers. Every product line is covered by DIN / ISO / ASTM standards with full dimensional control.

Why SFB

Built for Professional Buyers

Procurement teams choose us for the things that reduce their risk — consistent standards, traceable materials and predictable lead times.

Certified Quality System

ISO 9001:2015 production, 100% thread gauging on CNC tapping lines, EN 10204 3.1 mill test certificates with heat-number traceability.

Full Standard Coverage

DIN, ISO, ASTM/ASME and EN standards in both metric and inch series — cross-reference support when your drawing specifies a different system.

Reliable Lead Times

12,000 t annual capacity with buffer stock on fast-moving sizes. Standard lines ship in 15–25 days; project volumes planned with firm schedules.

Export-Ready Service

Export packing to EN standards, FOB / CIF / DDP terms, RoHS & REACH documentation, and samples from stock before you commit to volume.

Best Sellers

Frequently Ordered Lines

The fasteners our distribution partners reorder most — ready for sampling from stock.

View Full Catalogue →

Send Us Your Specification

Standard sizes, a competitor part number or a drawing — we reply with price, MOQ and lead time within 24 hours.

Start an RFQ →