STRUT Channel & Mounting Systems
Anchors
Bolts
Screws
Nuts
Ground Anchors
Clamps
Rivets
Wire Ropes & Cables
Mounting Hardware
Brackets
Cable Brackets & Mounts
Other
Cable Trays & Accessories
Mounting Supports
Mounting Plates
Mounting Frames
Spacers
Mounting Rails
Staples
Mounting Connectors
Fastening Angles
Wood Screws
产品 — 紧固件与五金
Semi-Countersunk Head Bolts OST 1 31195-80, OST 1 31196-80, OST 1 31198-80, OST 1 31200-80, OST 1 31202-80
¥0.22-4.32
AVIASERVIS LLC 🇷🇺
Bolt OST 1 31185-80, OST 1 31186-80, OST 1 31188-80, OST 1 31189-80, OST 1 31190-80, OST 1 31192-80, OST 1 31193-80.
¥0.22-4.32
AVIASERVIS LLC 🇷🇺
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常见问题
•Can Russian plants manufacture fasteners to my drawings or to DIN and ISO standards?
Yes. Most factories in this section run CNC and cold-heading equipment and regularly produce against customer drawings or DIN, ISO and ANSI references alongside native GOST and OST series. You supply the drawing or standard number with material and coating requirements; the plant confirms feasibility, tooling cost if any, and a unit price tied to batch size.
•What does material traceability look like for alloy-steel fasteners?
For structural and aviation-grade items, suppliers issue batch certificates referencing the steel grade, heat number and mechanical test results — tensile strength, hardness and, where required, impact toughness. This level of documentation matters for rail, energy and aerospace maintenance buyers, and it comes from the plant laboratory rather than a trading intermediary.
•Are samples available before a production order?
Routinely, yes. For catalogue items, plants send sample packs by courier free or at cost. For drawing-based parts, a paid pilot batch of 50–200 pieces is the usual route: you verify fit and coating on your side, then release the serial order against the approved sample.
•What are realistic lead times for mixed hardware orders?
Stock catalogue positions ship in 5–10 working days. Made-to-order brackets, plates and special fasteners typically need 20–40 days depending on heat treatment and coating queues. Distributors usually place consolidated quarterly orders so that long-lead items and stock lines arrive in one container.
•Which corrosion protection options are offered?
Standard options are electro-zinc plating for indoor use, hot-dip galvanising for outdoor structural hardware, and zinc-flake or special coatings for higher salt-spray requirements. State the target service environment or the salt-spray hours you need, and the plant will recommend a coating with supporting test data.