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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828347-1
CONN D-SUB FEM SCREW LOCK KIT
3341-32KIT
CONN JACKSOCKET #4-40 0.50"
3-1393560-1
D-SUB ACCS
687-417-01
PROTECTIVE COVER
D20418-83
DSUB FEMALE SCREW LOCK ZINC
687-25228
PROTECTIVE COVER
09670029101
D SUB KNURL. SCREW M3 F. HOOD SE
174028-2
HARDWARE SCREW LOCK KIT
5205979-4
SCREW HEAD 4-40 6.3MM ZINC
687-348Z4-16-20
PROTECTIVE COVER
687-404J
PROTECTIVE COVER
1495164-1
CONN LOCKSCREW ASSY 1/16"
687-348Z2-12-20
PROTECTIVE COVER
1-1393560-9
D-SUB ACCS
687-340-16
PROTECTIVE COVER
687-235-21
PROTECTIVE COVER
1731120381
FCT SCREW SET 4-40/M3 11.2 ZINC
687-347M12-4
PROTECTIVE COVER
5552562-2
KIT,HDW,BAIL LOCK,VERT MTG
1731121170
FCT SCREW SET