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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687-340-20
PROTECTIVE COVER
687-185-08
PROTECTIVE COVER
863009ATLF
DSUB MALE SCREW LOCK
4-40THMB-1
HARDWARE THUMB SCREW 4-40
687-402F01
PROTECTIVE COVER
1731120586
FCT SCREW SET M3/4-40 12.7 TIN P
687-178P
PROTECTIVE COVER
687-213B06
PROTECTIVE COVER
687-405B
PROTECTIVE COVER
687-340-12F
PROTECTIVE COVER
D20419-218
DSUB MALE SCREW LOCK ROHS X2
687-236JH
PROTECTIVE COVER
687-393E2
PROTECTIVE COVER
176152-3
SCREWLOCK KIT FOR AMPLIMITE
2-1393561-7
D-SUB ACCS
2076
JACK SCREW
C115418-1000
D115418-1000-FR022
687-152-01B
PROTECTIVE COVER
173112-0256
FCT THMB SCREW 4-40UNC 27.3
687-422M262
PROTECTIVE COVER