Reference illustration — produced to your drawing
Nails & Spikes
Duplex Nails
Duplex nails have two stacked heads: the lower head seats against the material while the upper head stays exposed for removal. They are designed to be pulled out after temporary work.
Used in temporary concrete formwork, scaffolding, and bracing where the nail must be removed after use. Bought by concrete and general contractors.
Standard
ASTM F1667
Size range
2 – 4 in · 51 – 102 mm
MOQ
From 50 pcs
Lead time
Samples 5–10 days
What we produce
- Double head leaves a grip point for easy removal
- Cold headed from drawn carbon steel wire
- Lower flat head seats flush with the material
- Smooth shank allows repeated driving and pulling
- Diamond point for driving into form lumber
Specification notes
- Common lengths from 2 in to 4 in (51 – 102 mm)
- Custom lengths and head spacing produced per drawing
- Material certificate and pre-shipment photos provided
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.
| Standard | ASTM F1667 |
|---|---|
| Size range | 2 – 4 in · 51 – 102 mm |
| Threads | Not applicable |
| Head / geometry | Double head, smooth shank |
| 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 nails & spikes 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