Brand New 5/16-18 X 3/4″ Thumb Screws Shoulder Head Knurled Drive Full Thread Steel Zinc Plated (500 / Pkg.)

Thumb screws with a shoulder head and knurled drive provide tool-free, hand-tightened fastening for enclosures, fixtures, and assemblies. Steel construction with zinc plating offers solid strength and corrosion resistance. Sold in a bulk 500 count package.

Specs

Size: 5/16-18 UNC

Length: 3/4 inch

Head type: Shoulder head

Drive type: Knurled

Thread: Full thread

Material: Steel

Finish: Zinc plated

Package quantity: 500 per package

Features

Knurled drive enables hand tightening with consistent grip, reducing tool requirements

Shoulder head provides a stable seating surface and even load distribution across joined parts

Full thread offers maximum engagement along the screw length for secure fastening

Steel construction delivers reliable strength for metal and hard plastic components

Zinc plating provides basic corrosion resistance in typical workshop environments

Bulk packaging supports inventory stocking and large-scale projects

Physical

Head: Shoulder

Drive: Knurled

Material: Steel with zinc plating

Thread: Full length

Package: 500 pieces per package

Industry Used In

Electronics enclosures, cabinets, and chassis assemblies

Machinery and equipment fixtures requiring hand-tightened fasteners

Cabinetry, woodworking, and shop fixtures

Prototype development, test rigs, and temporary assemblies

Automotive interior mounting and panel assembly