1/4" x 4-1/2", Silicon bronze

US Fasteners, 1/4" x 4-1/2", Silicon bronze
Machine screws Screws with machine threads for use with a nut or in a tapped hole.	Carriage bolts & Plow bolts Bolts with no drive and machine threads for use with a nut.
Lag bolts Large wood screws technically called lag screws.

US Fasteners, 1/4" x 4-1/2", Silicon bronze

Screws with machine threads for use with a nut or in a tapped hole.

Bolts with no drive and machine threads for use with a nut.

Large wood screws technically called lag screws.