Timber Connection Design: box_nail
NDS 2018 (AWC) timber connection design values — dowel bearing strengths, withdrawal design values, and lateral design values (Z) for common nails, box nails, sinker nails, wood screws, lag screws, bolts, split ring connectors, shear plate connectors, and timber rivets by wood species group
| fastener type | record id | CD load duration typical | CM wet service | Cg group action | Ct temperature | Fe parallel psi (psi) | Fe perp psi (psi) | Fe small D psi (psi) | Z double shear lb (lb) | Z single shear lb (lb) | edge distance in (in) | end distance parallel in (in) | end grain factor Ceg (dimensionless) | fastener bending yield Fyb psi (psi) | fastener diameter in (in) | fastener length or size | min member thickness in (in) | notes | penetration depth min in (in) | row spacing in (in) | species group | specific gravity G (dimensionless) | toe nail factor Ctn (dimensionless) | withdrawal W lb per in (lb/in) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| box_nail | bx_dfl_16d | 1 | 0.75 | 1 | 1 | 0 | 0 | 4,637 | 0 | 83 | 0.66 | 2.23 | 0.67 | 80,000 | 0.131 | 16d (3.5 in) | 1.5 | 16d box nail D=0.131 in; Fe=16600*(0.50)^1.84=4637 psi; W=1380*(0.50)^2*0.131=1380*0.25*0.131=45.2 lb/in; Z=83 lb single shear 1.5 in side member; lower than common nail due to reduced diameter | 1.31 | 1.57 | Douglas Fir-Larch | 0.5 | 0.83 | 45.2 |
| box_nail | bx_sp_16d | 1 | 0.75 | 1 | 1 | 0 | 0 | 5,526 | 0 | 99 | 0.66 | 2.23 | 0.67 | 80,000 | 0.131 | 16d (3.5 in) | 1.5 | 16d box nail in Southern Pine; Fe=16600*(0.55)^1.84=5526 psi; W=1380*(0.55)^2*0.131=1380*0.3025*0.131=54.7 lb/in; Z=99 lb single shear | 1.31 | 1.57 | Southern Pine | 0.55 | 0.83 | 54.7 |
This is a sample. Search the full timber connection design dataset and 300+ more by creating a free account and accessing the database.
Get started for FREE