3/8-16 X 3 1/4″ Thumb Screws Shoulder Head Knurled Drive Full Thread Steel Zinc Plated (200 / Pkg.) Professional Grade

Specs

Thread size: 3/8 inch-16

Length: 3 and 1/4 inches

Thread length: Full thread

Drive type: Knurled drive

Head style: Shoulder head

Material: Steel

Finish: Zinc plated

Package quantity: 200 pieces per package

Features

Knurled drive enables hand tightening with added grip for quick adjustments

Shoulder head design minimizes surface marring while seating

Full thread provides strong engagement across mounting holes

Steel construction paired with zinc plating offers durable, corrosion-resistant performance

Bulk pack supports repetitive installations in workshop, fabrication, and assembly settings

Physical

Shank diameter: 3/8 inch

Overall length: 3 and 1/4 inches

Head: Shoulder head with knurled drive

Finish: Zinc plated

Thread length: Full thread

Quantity per package: 200 pieces

Industry Used In

General manufacturing and workshop assemblies

Furniture and cabinetry mounting where quick, tool-free adjustments are beneficial

Electronics enclosures and panel mounting

Fixtures, stands, and instrumentation mounts requiring repeated hand adjustments

Prototype development and small-batch fabrication environments