Zinc Plated Carbon Steel Hex Bolt Set with Nuts (GB 30, Grade 4.8) M5-M30
Carbon steel hex bolts (Q235, property class 4.8) with matching nuts,
zinc plated, supplied to the GB 30 series. Thirteen sizes from M5 to M30,
with lengths supplied across the stated range. Standard general-purpose
fastening for building works, general machinery, solar mounting frames and
vehicle maintenance.
Note on standard: the GB 30 series uses across-flats 1 mm larger than
ISO 4014 / DIN 933 for M8-M14 (e.g. M8 = 14 mm vs ISO 13 mm). Tell us which
you need - we source to the standard you specify.
Why buy from us
- Sourced from the source factory (9 years, five-star supply chain) -
price, lead time and quality approved at source - Small MOQ and mixed-SKU consolidation: bolts, nuts, screws, anchors and
other items loaded in one shipment to cut your logistics cost - Neutral packing or OEM labelling to your requirements
- Export experience to Southeast Asia and other markets
Ordering information
Please state: size and length list, ISO or GB-series across-flats, set
composition needed, destination country and port, packaging requirements.
We will quote FOB / CFR / CIF.
