Even 1/8″ lag screws (well down into “numbered” screw sizes) will have a shear strength of over 3,000 pounds….How much weight can a lag bolt in a stud hold?

3/8 510 830

## How do you calculate the shear strength of a bolt?

1. Shear Stress Equation Single Shear. Shear Stress Average = Applied Force / Area. or. Shear Stress ave.= F/( π r 2)
2. Bearing Area Stress Equation for Plate and Bolt or Pin. Bt= F / (t d) Where:
3. Factor of Safety. Factor of Safety = F.S = ultimate stress / allowable stress. Therefore:

## What are lag screws for?

Lag screws are also known as lag bolts, and have a reputation for being one of the toughest types of fasteners in many industries. Since they are very sturdy, they are usually used to fasten items that are subjected to huge forces, such as lumber.

## What is the shear strength of a 16d nail?

Is there a difference in strength?

SHEAR
* 16d common nail .162” 138 lb.
* 16d sinker .148” 115 lb.
* 16d box (nail gun) .131” 95 lb.
* #6 screw .138 71 lb.

## What size is 8d common nail?

Table 1 – Nail Sizes (Common Nails)

Nail Size Shank Diameter
8d 10 0.134
10d 9 0.148
12d 9 0.148
16d 8 0.165

## How big is a 16 gauge nail?

The 16-Gauge Nailer is Versatile 16-gauge nailers shoot nails that are a little thinner than the 15 gauge and have a smaller head. Depending on the brand, these shoot nails from 3/4” to 2-1/2” inches long. They have good holding power and are a good general use gun.