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Timber Wood Screw & Nail Withdrawal & Lateral Load (NDS) Calculator

Easily calculate and compute timber wood screw & nail withdrawal & lateral load (nds) calculator with accurate equations, live formulas, and expert guidance.

Southern Pine ~0.55, Douglas Fir ~0.50, Spruce-Pine-Fir ~0.42.

#10 wood screw = 0.190", #8 = 0.164", 1/4" lag = 0.250".

Calculated Result
203 lbs

Withdrawal Capacity (W)

Withdrawal Capacity (W)

203 lbs

Allowable Withdrawal Capacity Lbs

203

Unit Withdrawal Resistance Lbs Per Inch

135.4

Estimated Lateral Shear Capacity Lbs

105

Nds Design Standard

National Design Specification (NDS) for Wood Construction Table 12.2A

203 — lbs

Calculation Breakdown

  1. Applied FormulaSizes structural wood screw and lag bolt connections determining allowable pull-out withdrawal load and lateral shear resistance according to the National Design Specification (NDS).W_{\text{total}} = (2850 G^2 D) L_p

Wood Fastener Withdrawal Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.051102152203Withdrawal Capacity (W)

What Is the Timber Wood Screw & Nail Withdrawal & Lateral Load (NDS) Calculator?

This tool computes timber wood screw & nail withdrawal & lateral load (nds) calculator with high precision arithmetic.

How Does the Timber Wood Screw & Nail Withdrawal & Lateral Load (NDS) Calculator Work?

Sizes structural wood screw and lag bolt connections determining allowable pull-out withdrawal load and lateral shear resistance according to the National Design Specification (NDS).

Timber Wood Screw & Nail Withdrawal & Lateral Load (NDS) Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

Wtotal=(2850G2D)LpW_{\text{total}} = (2850 G^2 D) L_p

Sizes structural wood screw and lag bolt connections determining allowable pull-out withdrawal load and lateral shear resistance according to the National Design Specification (NDS).

How to Use the Timber Wood Screw & Nail Withdrawal & Lateral Load (NDS) Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Timber Wood Screw & Nail Withdrawal & Lateral Load (NDS) Calculator Example

Input Values:

woodSpecificGravityG:0.5
screwShankDiameterInches:0.19
threadPenetrationLengthInches:1.5
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required lbs.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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