.187 Jack Screws

Keystone Electronics .187 Jack Screws are 4.8mm diameter (.187") screws designed for D-subminiature connectors used in computer cables and other electronic equipment. The product portfolio includes standard jack screws, a sems version with a captivated helical spring-lock washer that simplifies use, a slotted option for installation with a screwdriver, and a screw with a nylon patch that firmly holds the jack in vibration applications. Keystone Electronics .187 Jack Screws feature a 3/16 hex head and 4-40 thread and are offered in stainless steel or with zinc chromate plating in yellow or clear.

Results: 64
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Description Datasheet Availability Pricing (TWD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Type
Thread Size
Length
Material
Plating
Screw Head
Keystone Electronics Screws & Fasteners JACK SCREW KIT 4-40
Datasheet
2,035In Stock
Min.: 1
Mult.: 1

Kits Jackscrew 4-40 0.285 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners SEMS JACK SCREW
Datasheet
188In Stock
Min.: 1
Mult.: 1

Screws Jackscrew 4-40 0.66 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW KIT
Datasheet
485In Stock
Min.: 1
Mult.: 1

Kits Jackscrew
Keystone Electronics Screws & Fasteners JACK SCREW
Datasheet
325In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 4.75 mm Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW
Datasheet
297In Stock
2,000On Order
Min.: 1
Mult.: 1

Screws Hex Jackscrew
Keystone Electronics Screws & Fasteners JACK SCREW KIT
Datasheet
3,285In Stock
4,400Expected 10/26/2026
Min.: 1
Mult.: 1

Kits Jackscrew
Keystone Electronics Screws & Fasteners Hex Jack Screw .187 SS 4-40
Datasheet
2,399In Stock
Min.: 1
Mult.: 1

Jackscrews Hex Jack Screw 4-40 Stainless Steel Hex
Keystone Electronics Screws & Fasteners JACK SCREW KIT STAINLESS
Datasheet
1,028In Stock
Min.: 1
Mult.: 1

Kits Jackscrew Steel
Keystone Electronics Screws & Fasteners JACK SCREW KIT STAINLESS
Datasheet
1,971In Stock
Min.: 1
Mult.: 1

Kits Jackscrew Steel
Keystone Electronics Screws & Fasteners JACK SCREW S/S 4-40 THREAD
Datasheet
1,207In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 14.3 mm Stainless Steel Hex
Keystone Electronics Screws & Fasteners JCK SCRW 12.7MM/.5IN THREADED FEMALE HEX
Datasheet
687In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 17.5 mm Stainless Steel Hex
Keystone Electronics Screws & Fasteners Hex Jack Screw 0.5 w/hdwr SS 4-40
Datasheet
581In Stock
580Expected 9/18/2026
Min.: 1
Mult.: 1

Jackscrews Hex Jack Screw 4-40 12.7 mm Stainless Steel Hex
Keystone Electronics Screws & Fasteners JACK SCREW STAINLESS
Datasheet
60In Stock
500Expected 9/7/2026
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 17.5 mm Stainless Steel Hex
Keystone Electronics Screws & Fasteners JACK SCREW WITH NYL PATCH STAINLESS
Datasheet
1,165In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 12.7 mm Stainless Steel Hex
Keystone Electronics Screws & Fasteners JACK SCREW (SLOTTED)
Datasheet
400In Stock
Min.: 1
Mult.: 1

Screws Slotted Jackscrew Slotted
Keystone Electronics Screws & Fasteners JACK SCREW (SLOTTED)
Datasheet
393In Stock
Min.: 1
Mult.: 1

Screws Slotted Jackscrew 4-40 6.3 mm
Keystone Electronics Screws & Fasteners JACK SCREW (SLOTTED)
Datasheet
366In Stock
Min.: 1
Mult.: 1

Screws Slotted Jackscrew Slotted
Keystone Electronics Screws & Fasteners JACK SCREW (SLOTTED)
Datasheet
338In Stock
Min.: 1
Mult.: 1

Screws Slotted Jackscrew Slotted
Keystone Electronics Screws & Fasteners JACK SCREW (SLOTTED)
Datasheet
355In Stock
Min.: 1
Mult.: 1

Screws Slotted Jackscrew Slotted
Keystone Electronics Screws & Fasteners JACK SCREW KIT SLOTTED
Datasheet
225In Stock
Min.: 1
Mult.: 1

Kits Slotted Jackscrew Slotted
Keystone Electronics Screws & Fasteners JACK SCREW KIT SLOTTED
Datasheet
401In Stock
Min.: 1
Mult.: 1

Kits Slotted Jackscrew Slotted
Keystone Electronics Screws & Fasteners Jack Screw .187 Clear 4-40
Datasheet
3,012In Stock
Min.: 1
Mult.: 1

Screws Jackscrew 4-40 Zinc, Clear Chromate Hex
Keystone Electronics Screws & Fasteners Jack Screw .187 w/hdwr Clear 4-40
Datasheet
732In Stock
Min.: 1
Mult.: 1

Screws Jackscrew 4-40 Steel Zinc, Clear Chromate Hex
Keystone Electronics Screws & Fasteners .347 SEMS Jack w/hardware
Datasheet
560In Stock
Min.: 1
Mult.: 1

Kits Jackscrew 4-40 8.8 mm Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW KIT 4-40
Datasheet
793In Stock
Min.: 1
Mult.: 1

Kits Jackscrew 4-40 0.66 in Steel Zinc Hex