SS 304 & SS 316
Wedge Anchor Bolts
Heavy-duty mechanical expansion anchors for fixing base plates, steelwork, machinery, supports and other fixtures to concrete. This page brings the dimensional standard table, test evidence, installation guidance and direct online purchasing into one technical reference.
SS 304 & SS 316 Wedge Anchors — Buy Online
Direct links to the Aanuraj ecommerce catalogue. Online prices and pack quantities can change; the Buy Online button opens the live product page.
| Size × Length | Grade | Live Product | Reference Rate | Pack |
|---|---|---|---|---|
| M8 × 75 | SS 304 | BUY ONLINE ↗ | ₹24 | 1 set |
| M8 × 75 | SS 316 | BUY ONLINE ↗ | ₹33 | 1 set |
| M8 × 100 | SS 304 | BUY ONLINE ↗ | ₹27 | 1 set |
| M8 × 100 | SS 316 | BUY ONLINE ↗ | ₹38 | 1 set |
| M10 × 75 | SS 304 | BUY ONLINE ↗ | ₹33 | 1 set |
| M10 × 75 | SS 316 | BUY ONLINE ↗ | ₹48 | 1 set |
| M10 × 100 | SS 304 | BUY ONLINE ↗ | ₹38 | 1 set |
| M10 × 100 | SS 316 | BUY ONLINE ↗ | ₹56 | 1 set |
| M10 × 125 | SS 304 | BUY ONLINE ↗ | ₹42 | 1 set |
| M10 × 125 | SS 316 | BUY ONLINE ↗ | ₹750 | 12 sets |
| M10 × 150 | SS 304 | BUY ONLINE ↗ | ₹46 | 1 set |
| M10 × 150 | SS 316 | BUY ONLINE ↗ | ₹70 | 1 set |
| M12 × 75 | SS 304 | BUY ONLINE ↗ | ₹44 | 1 set |
| M12 × 75 | SS 316 | BUY ONLINE ↗ | ₹394 | 6 sets |
| M12 × 100 | SS 304 | BUY ONLINE ↗ | ₹51 | 1 set |
| M12 × 100 | SS 316 | BUY ONLINE ↗ | ₹465 | 6 sets |
| M12 × 125 | SS 304 | — | — | Not listed |
| M12 × 125 | SS 316 | BUY ONLINE ↗ | ₹80 | 1 set |
| M12 × 150 | SS 304 | BUY ONLINE ↗ | ₹63 | 1 set |
| M12 × 150 | SS 316 | BUY ONLINE ↗ | ₹99 | 1 set |
| M12 × 200 | SS 304 | BUY ONLINE ↗ | ₹76 | 1 set |
| M12 × 200 | SS 316 | BUY ONLINE ↗ | ₹1,340 | 12 sets |
Engineering Overview
The wedge anchor uses mechanical expansion: tightening the nut draws the anchor assembly so the expansion components grip the concrete. Correct hole diameter, hole depth, effective embedment, edge distance, spacing and installation procedure are essential to performance.
Stainless Steel 304
General-purpose corrosion-resistant stainless steel for industrial, structural and indoor/outdoor fixing applications.
Stainless Steel 316
Higher resistance to chloride-containing and marine environments compared with SS 304, subject to the application conditions.
Mechanical Expansion
Through-fixing installation: drill, clean, insert, seat and tighten to activate the expansion mechanism.
Typical applications
- Base plates and structural steel supports
- Machinery and equipment fixing
- Handrails, guardrails and barriers
- Pipe supports, brackets and cable trays
- Industrial plants, warehouses and infrastructure
- Marine and corrosion-sensitive installations where SS 316 is specified
What determines anchor capacity?
- Anchor diameter and steel strength
- Effective embedment depth
- Concrete strength and condition
- Edge distance and anchor spacing
- Installation quality and tightening
- Load direction: tension/pull-out versus shear
Technical Data
Core product and installation parameters for the catalogue range. Final installation design should use the approved product drawing and project-specific structural calculations.
Product specification
| Parameter | Catalogue value |
|---|---|
| Product | Stainless Steel Wedge Anchor Bolt with Nut & Washer |
| Material | SS 304 / SS 316 |
| Nominal range | M6–M20 in DIN 529 reference table |
| Anchor length | 50–200 mm in DIN 529 reference table |
| Installation | Pre-drilled hole + mechanical expansion |
| Assembly | Anchor + hex nut + flat washer |
Important design note
Published load figures are not automatically allowable design loads. Test results are specific to the tested anchor, concrete, embedment and test setup. For critical structural applications, use project design calculations and site testing where required.
DIN 529 Wedge Type Anchor Fasteners — Dimensions
Reference dimensional table used on the Aanuraj ecommerce product pages. All dimensions are in mm unless stated otherwise.
| Thread d | Drill d0 | Anchor L | Embedment hef | Thread lt | Washer OD | Nut AF |
|---|---|---|---|---|---|---|
| M6 | 8 | 50–200 | 40 | 25–50 | 12 | 10 |
| M8 | 10 | 50–200 | 50 | 25–50 | 17 | 13 |
| M10 | 12 | 50–200 | 60 | 30–60 | 21 | 17 |
| M12 | 14 | 50–200 | 70 | 30–70 | 24 | 19 |
| M16 | 18 | 50–200 | 80 | 40–80 | 30 | 24 |
| M20 | 24 | 50–200 | 90 | 40–90 | 37 | 30 |
Aanuraj Dimension Drawing — Reference
Reference drawing supplied by Aanuraj. Dimensions shown are in mm; use the approved product drawing and installation specification for the actual supplied anchor.
Dimensional & Indicative Load Data
A separate technical reference table combines dimensional parameters with indicative minimum pull-out and shear values shown in the Aanuraj wedge-anchor technical cheatsheet. These values are stated as indicative for C25/30 concrete and are not a substitute for project-specific design or site testing.
| Size | Anchor L | Drill d0 | Min. hole h1 | Min. embedment hef | Max. fixture tfix | Spanner S | Min. Pull-out Load (kN) | Min. Shear Load (kN) | ||
|---|---|---|---|---|---|---|---|---|---|---|
| SS 304 | SS 316 | SS 304 | SS 316 | |||||||
| M6 | 45 | 6 | 45 | 35 | 5 | 10 | 6.5 | 7.5 | 9.0 | 10.5 |
| M8 | 60 | 8 | 55 | 40 | 10 | 13 | 9.0 | 10.5 | 12.5 | 14.5 |
| M10 | 75 | 10 | 65 | 50 | 15 | 17 | 12.5 | 14.5 | 16.5 | 19.0 |
| M12 | 90 | 12 | 80 | 60 | 20 | 19 | 18.0 | 21.0 | 24.0 | 27.5 |
| M16 | 110 | 16 | 95 | 70 | 25 | 24 | 26.0 | 30.0 | 35.5 | 41.0 |
| M20 | 130 | 20 | 120 | 90 | 30 | 30 | 33.5 | 39.0 | 46.0 | 53.0 |
| M24 | 150 | 24 | 140 | 100 | 35 | 36 | 42.5 | 50.0 | 58.0 | 67.0 |
Pull-out / Tension Test — Report Evidence
A laboratory pull-out test measures the resistance of the anchor to an axial tensile load that tends to pull the anchor out of the concrete. The tested failure mode and the concrete/anchor setup are critical when interpreting the result.
M10 × 110 mm Wedge Anchor — Pull-out Test
| Test parameter | Recorded condition |
|---|---|
| Sample | Wedge anchor bolt / nut / washer, M10 × 110 mm |
| Concrete | Concrete cube, Grade M-30 |
| Hole depth | 80 mm |
| Anchorage depth | 75 mm |
| Failure | Anchor bolt pulled out |
| Laboratory observation | Three specimens tested; report notes that the minimum result is to be considered when applying IS 11309 clause 6.8. |
Additional SS 316 pull-out evidence — M8 × 130 mm
Vasai Lab (Test) · Report VST-34682-TR-863856 · issue date 13/03/2026 · test method IS 11309:2023 · M30 concrete.
The report covers three specimens of an AISI 316 wedge anchor bolt M8 × 130 mm. The first specimen reached 9.891 kN in the reported load sequence and the test report contains the remaining specimen records. The complete laboratory report should be used for any project qualification or acceptance decision.
View product range ↗Shear Strength — Technical Test Report
Shear testing applies a transverse load to the anchor. Failure can occur through anchor steel shear, concrete breakout, pry-out or other mechanisms depending on the test configuration. Therefore, a measured laboratory shear load must be tied to the exact tested assembly and concrete condition.
M10 × 110 mm Wedge Anchor — Shear Test
| Parameter | Report value |
|---|---|
| Sample | Wedge anchor bolt / nut / washer, M10 × 110 mm |
| Anchor / hole diameter | 10 mm / 10 mm |
| Hole depth | 80 mm |
| Anchorage depth | 75 mm |
| Maximum applied load | 26.42 kN |
| Failure mode | Anchor sheared |
| Observation | Anchor sheared at maximum applied load |
Installation — 5 Controlled Steps
A mechanically anchored wedge system depends on proper drilling and cleaning as much as the anchor itself. Follow the approved product installation specification for the exact size.
Request a Technical Quote
Send your requirement
Share size, length, SS 304/SS 316 grade, quantity, drawing/BOQ and application. Aanuraj can review the requirement and provide the appropriate commercial and technical response.
WhatsApp +91 90227 02227Technical documentation
For project qualification, request the applicable product drawing, material documentation, inspection/test reports and installation information relevant to the supplied anchor.
Email sales@aanuraj.com