Square head set screws or Jack bolts, are a fully threaded external fastener with a square head, (available in cup point or dog point). Ideal for applications requiring tension to hold a part in place for precision and recessed assemblies.

• Material: Available in alloy and stainless steel.
• Size range: From 1/4-20 to 1 1/2″ diameter, metric to custom
• Finishes: plain, plated, or custom
• Thread: American Standard (Coarse and fine), Metric, Custom and Specialty