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28 Sep , 2025
Oil & Gas Anchor Bolts (M16–M36) — Grade 8.8
We manufacture high-strength Oil & Gas anchor bolts with HDG (hot-dip galvanized) and SS316 options for corrosion resistance. Standard sizes M16–M36, Grade 8.8, quick BOQ review in 24 hours, and PAN-India dispatch.
Why it solves your problem: Refinery and terminal environments are harsh—chlorides, humidity, vibration, and chemical splash. The right material/coating and correct embedment stop failures, cut rework, and keep shutdown windows on schedule.
Anchor bolts fix equipment and steel structures to concrete foundations in refineries, terminals, and utility/process areas. Common forms include J-bolts, L-bolts, studs with base plates, U-bolts, and template bolt assemblies used for cast-in accuracy.
Typical applications
What you get
Order checklist
Choose by environment:
Best practices
Update values with your project spec; these help earn featured snippets.
| Bolt Size | Typical Type | Drill Ø (mm)* | Embedment (mm)** | Coating | Typical Use |
|---|---|---|---|---|---|
| M16 | J / L | 18–20 | 160–200 | HDG / SS316 | trays, small pumps |
| M20 | J / L | 22–24 | 200–240 | HDG / SS316 | pipe racks, platforms |
| M24 | J / L | 26–28 | 240–300 | HDG / SS316 | exchangers, compressors |
| M30 | J + plate | 32–34 | 300–360 | HDG / SS316 | heavy skids |
| M36 | J + plate | 38–40 | 360–430 | HDG / SS316 | large pedestals |
* For post-installed mechanical/chemical anchors. Cast-in uses templates (no drilling).
** Rule-of-thumb only; finalize per consultant design & site tests.
| Factor | HDG (Hot-Dip Galvanized) | SS316 (Stainless Steel) |
|---|---|---|
| Corrosion resistance | High (industrial outdoor) | Very high (chlorides/chemical splash, coastal) |
| Cost | Lower | Higher |
| Maintenance | Periodic inspection | Low, still inspect |
| Best for | Pipe racks, platforms, general outdoor | Splash zones, coastal plants, critical assets |
Tip: Share BOQ + drawings for a precise quote in 24 hours.
1) Should I choose SS316 or HDG in a refinery?
Pick SS316 for chloride/chemical splash and coastal areas. Choose HDG for general outdoor industrial zones. Confirm with the project’s environment class (C1–C5).
2) What embedment depth is safe for M20/M24 bolts?
Use 10–12 × diameter as a starting rule (e.g., M20 ≈ 200–240 mm). Finalize per structural design and site tests.
3) Can we retrofit anchors during operations?
Often, yes—use post-installed chemical anchors in controlled windows. Coordinate drilling/curing with safety and structural teams.
4) How do I prevent loosening on vibrating equipment?
Use the double-nut method, spring/nyloc washers, correct torque, and a re-torque plan after initial run-in.
5) What documents will you provide?
Packing list, heat numbers, HDG/SS certificates, and torque/pull-out test reports (as scoped). Project labels on cartons aid site distribution
.
6) Do you supply template plates and markings?
Yes. We supply templates/jigs with stamped markings for cast-in accuracy and can kit/label per equipment tag.
7) Are zinc-plated anchors okay indoors?
Yes, for dry indoor, non-corrosive rooms. Avoid zinc-plated in humid, chemical, or chloride-rich areas.
Selecting the right anchor bolts for Oil & Gas means matching material (HDG/SS316), grade (8.8), and embedment to your load and environment. We help with sizing, templates, testing, and fast dispatch to meet shutdown targets.
👉 Upload your BOQ/drawings—get a detailed quote in 24 hours.
WhatsApp for quick pricing • Download Spec Sheet (PDF)
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Since the inception, Ferry International is offering the huge range of the anchors, screws, nut and bolts, clamps, and pipes, wire mesh, etc. With the experience of more than six decades in the field of manufacturing industrial fasteners to the meet the demand of every industry, we are world class Nut Bolt manufacturers, suppliers, and exporters.
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