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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1731120310
FCT SPRING CLIP W/SCREW
CWN-HK-02
HARDWARE MOUNTING KIT 4-40
289-015-A
CONNECTOR
687-423N-1
PROTECTIVE COVER
687-422M092
PROTECTIVE COVER
687-164-02V
PROTECTIVE COVER
5747971-2
CONN D-SUB 2MOUNT SCREW #4-40
687-347NF27-3
PROTECTIVE COVER
160-000-001R032
SCREWLOCK W/RET 4-40 MALE NICKEL
C115419-0101
D115419-0101-FR022
D20419-18
JACK SCREW MALE W/ CLIP 4-40
1731120597
FCT SCREW SET 4-40/4-40 12.9
687-152-03
PROTECTIVE COVER
687-347NF12-2
PROTECTIVE COVER
09670029091
D SUB SHORT MOUNTING SCREW FOR F
C115419-0103
D115419-0103-FR022
HD-LN(08)
LOCKING DEVICE FOR D-SUB
687-347M30-5
PROTECTIVE COVER
1731140042
FCT SCREW SET 4-40UNC 12.7 NM
687-402H02
PROTECTIVE COVER