# A2-A4.ru - Оптовые поставки крепежа и метизов.

> Wholesale fastener supplier offering stainless steel, brass, and galvanized hardware for industrial use.

Russian company A2-A4 specializes in bulk distribution of corrosion-resistant fastening products and metal fittings across Russia and CIS regions.

## Main

- [Нержавеющий крепеж](https://a2-a4.ru/nerzhaveyushchij-krepezh): Stainless steel fasteners and fittings catalog with subcategories and bulk pricing.
- [Болты](https://a2-a4.ru/nerzhaveyushchie-bolty): Stainless steel bolts of various types and standards with wholesale pricing options.
- [DIN 444](https://a2-a4.ru/din-444-bolt-nerzhaveyushchiy-otkidnoy-tip-b): DIN 444 stainless steel toggle bolts with quick-release eye loop design.
- [DIN 580](https://a2-a4.ru/din-580-rym-bolt-nerzhaveyushchiy-obshchego-naznacheniya-kovannyy): DIN 580 forged stainless steel eye bolts for general rigging applications.
- [DIN 603](https://a2-a4.ru/din-603-bolt-nerzhaveyushchiy-s-kvadratnym-podgolovkom): DIN 603 furniture bolts with partial threading and round heads in stainless steel.
- [DIN 931](https://a2-a4.ru/din-931-bolt-nerzhaveyushchiy-nepolnaya-rezba-s-shestigrannoy-golovkoy): DIN 931 hex head bolts with partial threads for construction and machinery assembly.
- [DIN 933](https://a2-a4.ru/din-933-bolt-nerzhaveyushchiy-s-shestigrannoy-golovkoy-i-polnoy-rezboy): DIN 933 hex head bolts with full threading for equipment and structural fastening.
- [DIN 961](https://a2-a4.ru/din-961-bolt-s-polnoy-rezboy-i-shestigrannoy-golovkoy): DIN 961 fine-pitch metric hex bolts with complete threading in stainless steel.
- [DIN 6921](https://a2-a4.ru/din-6921-bolt-nerzhaveyushchiy-s-flantsem-i-shestigrannoy-golovkoy): DIN 6921 flanged hex bolts with flat washers integral to bolt head.
- [ISO 3266](https://a2-a4.ru/iso-3266-rym-bolt-nerzhaveyushchiy-litoy-obshchego-naznacheniya): ISO 3266 cast stainless steel eye bolts for rigging and lifting applications.
- [ISO 4014](https://a2-a4.ru/iso-4014-bolt-nerzhaveyushchiy-s-shestigrannoy-golovoy-nepolnaya-rezba): ISO 4014 hex head bolts with partial threading equivalent to DIN 931.
- [ISO 4017](https://a2-a4.ru/iso-4017-bolt-nerzhaveyushchiy-s-shestigrannoy-golovoy-polnaya-rezba): ISO 4017 hex head bolts with full threading equivalent to DIN 933.
- [ISO 13918](https://a2-a4.ru/iso-13918-bolty-nerzhaveyushchiye-shpilki-vinty-privarnyye): ISO 13918 weldable stud bolts for creating threaded connection points on flat surfaces.
- [Art. 3570](https://a2-a4.ru/art.-3570-bolt-skoba-nerzhaveyushchaya-u-obraznoy-formy-tip-a): U-shaped pipe clamps and bracket bolts for securing tubing and beams in stainless steel.
- [Art. 9038](https://a2-a4.ru/art.-9038-bolt-s-kvadratnoy-golovoy-nerzhaveyushchiy): Square head bolts in stainless steel for industrial fastening applications.