Timber Connection Design: sinker_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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| sinker_nail | sk_dfl_16d | 1 | 0.75 | 1 | 1 | 0 | 0 | 4,637 | 0 | 103 | 0.74 | 2.52 | 0.67 | 90,000 | 0.148 | 16d sinker (3.25 in) | 1.5 | 16d sinker nail D=0.148 in vinyl-coated; Fe=16600*(0.50)^1.84=4637 psi; Fyb=90000 psi per NDS sinker designation (higher yield than common); W=1380*(0.50)^2*0.148=51.1 lb/in; Z=103 lb (slightly lower than common 10d due to mode difference) | 1.48 | 1.78 | Douglas Fir-Larch | 0.5 | 0.83 | 51.1 |
| sinker_nail | sk_sp_16d | 1 | 0.75 | 1 | 1 | 0 | 0 | 5,526 | 0 | 126 | 0.74 | 2.52 | 0.67 | 90,000 | 0.148 | 16d sinker (3.25 in) | 1.5 | 16d sinker nail in Southern Pine; Fyb=90000 psi; Z=126 lb single shear | 1.48 | 1.78 | Southern Pine | 0.55 | 0.83 | 61.8 |
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