Reference illustration — produced to your drawing
Anchors
Retrofit Anchor Bolts
A threaded rod or headed bolt installed into an existing concrete element with adhesive or a mechanical fit. It adds a post-installed anchor point to concrete that was not cast with one.
Used for seismic retrofit, structural reinforcement, and adding new connections to existing concrete. Bought by engineers and contractors for strengthening and repair work.
Standard
To your drawing
Size range
M10 – M30 · 3/8 – 1-1/4 in
MOQ
From 50 pcs
Lead time
Samples 5–10 days
What we produce
- Carbon steel, stainless 304/316L, or alloy steel
- Metric coarse or UNC thread
- Installed with adhesive or mechanical set
- Zinc plated or plain finish
Specification notes
- Diameter, embedment, and projection quoted per drawing
- Headed and non-headed styles available
- MOQ from 50 pieces
Specifications
Every line below is a starting point, not a limit. Non-standard sizes, special threads and unusual materials are what we do — send the drawing and we confirm what fits.
| Size range | M10 – M30 · 3/8 – 1-1/4 in |
|---|---|
| Threads | Metric coarse · UNC |
| Head / geometry | Threaded rod or headed bolt set into a drilled hole; no drive recess on the anchor |
| Materials | Stainless steel 301 / 303 / 304 / 304L / 316 / 316L / 410 / 416 / 17-4PH · carbon steel 1045 / 1215 / 12L14 · alloy steel 4130 / 4140 · aluminium 2024 / 5052 / 6061 / 7075 · brass · bronze · copper · titanium |
| Finishes | As machined · black oxide · zinc plating · nickel plating · chrome plating · anodizing · passivation (through our vetted partner network) |
| Precision | ±0.01 mm on features that locate, seal or fit; ISO 2768-m for general dimensions |
| Marking | Head marking, grade marking or your own identification mark per drawing |
| Documents | Material certificate (MTR) with every batch, plus pre-shipment photos before dispatch |
| MOQ | From 50 pieces per type and material · samples from 1 piece |
| Sample lead time | 5–10 days |
| Production lead time | 25–35 days after sample approval |
| Quote | Within 24 hours, with DFM feedback |
Other anchors we manufacture
See all 179 part types →
Send us the drawing
We reply within 24 hours with DFM feedback, a process route and a price. Samples from 1 piece, production from 50 pieces, shipped from Qidong City, Jiangsu Province, China.
Request a quote