
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