A Jack Screw is simply a 3/16” Hex, 4-40 Male-Female Standoff, that is 3/16” in length. What separates these is that you can choose the male-thread length that will best fit your application. These are also called Female Screw-Locks and are most commonly used in mounting D-Sub Connectors. Each Jack Screw is available as a stand-alone screw, but visit the Jackscrew Assembly and Jack Screw Bulk Kit Sections to purchase the complete set of mounting hardware. The hex shape allows for greater torquing as the flat sides allow for wrench tightening. Steel is inexpensive, easy to achieve finer surface quality requirements and provides relatively high strength properties. Multiple plating options are available to increase the material's corrosion resistance and alter its appearance.
| Items |
 ST9419-34 |
ST9439-34 |
STXBLK-00016-34 |
STXBLK-00018-34 |
STXBLK-00019-34 |
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| Material | Steel | |||||||||
| Length | 3/4" | 3/4" | 1/8" | 7/8" | 1" | |||||
| Shape | Hex | |||||||||
| OD | 3/16 | |||||||||
| ID Code | 4-40 | |||||||||
| Part Description | (10 EA/Pk) Hex Jack 4-40 Screw Only, Zinc-Plated Steel, 3/4" Length Male Thread | (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 | (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 | (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 | (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 | |||||
| Product Additional Information | ||||||||||
| About OneMonroe | VMI - Custom Manufacturing, Technical Guides - Quality - Company Overview | |||||||||
| Item Notes | Product image(s) are representational. Please see manufacturer specification or contact a Sales Engineer for more information. Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm. | |||||||||
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