OneMonroe's Lyn-Tron brand Jack Screws are precision-engineered fasteners designed to provide secure and adjustable spacing in electronic and mechanical assemblies. Manufactured in the USA, these high-quality components are ideal for mounting D-subminiature connectors and other panel hardware where precise alignment and spacing are critical.
Constructed from durable materials such as stainless steel and zinc-plated steel, Lyn-Tron Jack Screws are built to withstand vibration, torque, and frequent adjustments. Each jack screw offers smooth threading and reliable performance in demanding industrial, aerospace, and electronic applications.
Whether you're assembling PCBs, enclosures, or custom equipment, trust Lyn-Tron’s USA-made Jack Screws for consistent fit, finish, and function across every project.
Item # |
Shape |
Material |
OD |
ID Code |
Length |
Part Description |
|---|---|---|---|---|---|---|
| ST9419-34 | Shape N/A Hex | Material N/A Steel | OD N/A 3/16" | ID Code N/A 4-40 | Length N/A 3/4" | Part Description N/A (10 EA/Pk) Hex Jack 4-40 Screw Only, Zinc-Plated Steel, 3/4" Length Male Thread |
| ST9439-34 | Shape N/A Hex | Material N/A Steel | OD N/A 3/16" | ID Code N/A 4-40 | Length N/A 3/4" | Part Description N/A (10 EA/Pk) (with Washers and Nut) Male-Female Thread Hex Standoff (Jack Screw), Zinc Plated Steel, 4-40 Screw Size, 3/4" Length Male Thread |
| STXBLK-00016-34 | Shape N/A Hex | Material N/A Steel | OD N/A 3/16" | ID Code N/A 4-40 | Length N/A 1/8" | Part Description N/A (25 EA/Pk) (with Washers and Nut) Male-Female Thread Hex Standoff (Jack Screw), Zinc Plated Steel, 4-40 Screw Size, 1/8" Length Male Thread |
| STXBLK-00018-34 | Shape N/A Hex | Material N/A Steel | OD N/A 3/16" | ID Code N/A 4-40 | Length N/A 7/8" | Part Description N/A (10 EA/Pk) (with Washers and Nut) Male-Female Thread Hex Standoff (Jack Screw), Zinc Plated Steel, 4-40 Screw Size, 7/8" Length Male Thread |
| STXBLK-00019-34 | Shape N/A Hex | Material N/A Steel | OD N/A 3/16" | ID Code N/A 4-40 | Length N/A 1" | Part Description N/A (10 EA/Pk) (with Washers and Nut) Male-Female Thread Hex Standoff (Jack Screw), Zinc Plated Steel, 4-40 Screw Size, 1" Length Male Thread |
| STXNSL-00004-34 | Shape N/A Hex | Material N/A Steel | OD N/A 3/16" | ID Code N/A 4-40 | Length N/A 1/8" | Part Description N/A (25 EA/Pk) Hex Jack 4-40 Screw Only, Zinc-Plated Steel, 1/8" Length Male Thread |
| STXNSL-00005-34 | Shape N/A Hex | Material N/A Steel | OD N/A 3/16" | ID Code N/A 4-40 | Length N/A 1" | Part Description N/A (10 EA/Pk) Hex Jack 4-40 Screw Only, Zinc-Plated Steel, 1" Length Male Thread |
| STXNSL-00007-34 | Shape N/A Hex | Material N/A Steel | OD N/A 3/16" | ID Code N/A 4-40 | Length N/A 7/8" | Part Description N/A (10 EA/Pk) Hex Jack 4-40 Screw Only, Zinc-Plated Steel, 7/8" Length Male Thread |
