Gibraltar 677023-G Bullet Straight Locating Pin Steel

Product Description

The GIBRALTAR 677023-G is a bullet straight locating pin machined from steel, used to precisely position and register workpieces in fixtures, jigs, and tooling setups. The nose features a bullet profile measuring 0.7498 inches in diameter and 9/16 inches in length, which guides the workpiece smoothly onto the pin during loading. The tail diameter is 1.0018 inches with a 3/4-inch tail length, and the overall assembly length is 1-7/16 inches. The pin is not relieved, and tolerance is held at plus 0.0000 inches, making it a positive-tolerance fit suitable for controlled locating applications. Machinists and toolmakers install this type of pin in production fixtures where repeatable part placement is critical.

This locating pin is suited for use in manufacturing and machining environments where workpiece registration accuracy directly affects part quality. It is commonly pressed or fitted into fixture plates, tombstones, and modular tooling bases in both job-shop and production settings. Applications include milling fixtures, drilling jigs, inspection fixtures, and assembly aids where a bullet-nose entry geometry reduces loading effort while maintaining tight positional control.

Key Features

• Bullet nose profile at 0.7498 inches diameter eases workpiece entry and reduces loading force
• Nose length of 9/16 inches provides sufficient engagement depth for guided registration
• Tail diameter of 1.0018 inches for secure press or slip fit into fixture plates
• Non-relieved body retains full contact along the tail for maximum stability
• Positive tolerance of plus 0.0000 inches ensures controlled fit without undersize variation
• Steel construction for durability in repeated-use production fixture applications

Compatibility

Designed as a direct-fit locating pin for use in standard fixture plates and modular tooling systems that accept a 1.0018-inch tail diameter bore.

Installation Notes

Installation is typically performed by toolmakers or machinist technicians using a press or mallet with a soft-face driver to seat the tail into the receiver bore. Ensure the receiving bore is clean and deburred before installation to avoid damaging the pin or fixture. Verify bore diameter and tolerance stack-up against the pin tail specs before pressing to confirm the intended fit class. Always follow applicable shop safety procedures when pressing components under load.