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D-Sub, D-Shaped Connectors - Accessories - Jackscrews
D-Sub, D-Shaped Connectors - Accessories - Jackscrews

D-Sub, D-Shaped Connectors Accessories Jackscrews

Definition & Purpose
Jackscrews are essential hardware accessories designed for D-Sub (D-Shaped) connectors, a widely used interconnect solution in electronics and industrial applications. These small yet critical components ensure secure mating and strain relief between connector pairs, preventing accidental disconnections due to vibration or mechanical stress. Typically made from durable metals like steel or brass (often with plating for corrosion resistance), jackscrews enhance the stability and longevity of D-Sub connections.

Types & Variations
Jackscrews for D-Sub connectors come in multiple configurations to match industry standards:
- Thread Size & Pitch: Common options include 4-40, M3, or M2.5 threads.
- Head Styles: Hexagonal, knurled, or slotted heads for tool-driven or manual tightening.
- Material Finishes: Zinc-plated, nickel-plated, or stainless steel for environmental resilience.
- Gender Compatibility: Male (external thread) or female (internal thread) variants to suit connector housings.

Selection Guide
When sourcing jackscrews for D-Sub applications, consider:
1. Thread Compatibility: Verify the screw thread matches the connector s threaded inserts (e.g., 4-40 for standard DB connectors).
2. Length & Engagement: Ensure adequate screw length to fully secure the mated connectors without over-torquing.
3. Environmental Needs: Opt for corrosion-resistant plating (e.g., nickel) in humid or harsh conditions.
4. Tooling Requirements: Hex-head screws may require wrenches, while knurled heads allow hand-tightening.

Why It Matters
Jackscrews may seem minor, but they play a vital role in maintaining signal integrity and mechanical stability in data communication, industrial controls, and aerospace systems. Investing in high-quality jackscrews minimizes downtime and ensures reliable performance in critical interconnect setups.

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5207882-2

CONN JACKSCREW SCKT M3 AMPLIMITE


1731121262

FCT SCREW SET


D20419-16R

DSUB SCREW LOCK


C115420-0100

D115420-0100-FR022


86551301100LF

DSUB ACCY


687-442-20-29

PROTECTIVE COVER


687-178M

PROTECTIVE COVER


687-394-2

PROTECTIVE COVER


687-235-19

PROTECTIVE COVER


1731120649

FCT SCREW M3/M3 16.7 TIN PLATED


1731121004

FCT SCREW SET 4-40/4-40 20.6 ZIN


1731121097

FCT SCREW 4-40/4-40 12.9 TIN PLA


863003LF

DSUB MALE SCREW LOCK


1731120659

FCT SCREW SET 4-40/4-40 20.6 ZIN


D20420-100

DSUB MALE SCREW LOCK X2


687-348Z3-12-10

PROTECTIVE COVER


687-194-356

PROTECTIVE COVER


687-348Z2-16-20

PROTECTIVE COVER


687-261B20

PROTECTIVE COVER


250-8501-009

DSUB EXT'D J/S M3 BRASS/NICKEL


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