Reference illustration — produced to your drawing
Anchors
Machine Screw Anchors
An expansion anchor with an internal thread that accepts a machine screw. Turning the screw draws a cone or sleeve outward to expand the body against the masonry.
Used to attach fixtures, cabinets, and brackets to concrete, block, and brick with removable machine screws. Bought by contractors for medium-duty fixing.
Standard
To your drawing
Size range
M4 – M12 · #6 – 1/2 in
MOQ
From 50 pcs
Lead time
Samples 5–10 days
What we produce
- Zinc alloy or steel body
- Internal thread matched to machine screws
- Expands as the screw is tightened
- Zinc plated finish
Specification notes
- Matched machine screw supplied separately
- Thread size and embedment depth per order
- 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 | M4 – M12 · #6 – 1/2 in |
|---|---|
| Threads | Internal thread matched to a machine screw |
| Head / geometry | Cylindrical expansion body set in a drilled hole; no drive recess, machine screw threads in |
| 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