A Simple Machine for making large (2 1/2″) diameter wooden screws

Structural wood screws Lag Screws at

How to Choose the Correct Size Wood Screws

A Simple Machine to make large diameter wooden screws – cont'd

wooden screws, A Woodworker's Musings

What kind of screws for wood? Choosing the best wood screw for

Screws HowStuffWorks

Material: High quality 304 (18-8) stainless steel, perfect strength and good corrosion resistance Thread Diameter: #4; Screw Length: 1/2 Package

100PCS #4 x 1/2 Truss Head Sheet Metal Screws Phillips Drive Wood Screws, 304 Stainless Steel 18-8, Self Tapping

CONFAST 1/2 x 2-3/4 Wedge Anchor Zinc Plated (Box of 25) WA12234

wooden screws, A Woodworker's Musings

Roubo workbench, A Woodworker's Musings

Machine screws are fully threaded fasteners with a uniform diameter the entire length of the shaft. They are primarily used to fasten metal parts

1/4 in.-20 x 1/2 in. Phillips Flat Head Brass Machine Screw (25-Pack)

Material: High quality 304 (18-8) stainless steel, perfect strength and good corrosion resistance Thread Diameter: #4; Screw Length: 1/2 Package

100PCS #4 x 1/2 Truss Head Sheet Metal Screws Phillips Drive Wood Screws, 304 Stainless Steel 18-8, Self Tapping

A Simple Machine for making large (2 1/2″) diameter wooden screws