.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 (CAD) 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 WITH NYL PATCH STAINLESS
Datasheet
9,163In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew Nylon, Steel
Keystone Electronics Screws & Fasteners Jack Screw .187 Yellow 4-40
Datasheet
60In Stock
500Expected 2026-08-24
Min.: 1
Mult.: 1

Screws Jackscrew 4-40 Steel Zinc, Yellow Chromate Hex
Keystone Electronics Screws & Fasteners JCK POST .25"
Datasheet
30,806In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 0.25 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW
Datasheet
39,950In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 0.25 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JK SCREW .25" W/HDWR
Datasheet
6,116In Stock
Min.: 1
Mult.: 1

Kits Hex Jackscrew 4-40 0.25 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW .312
Datasheet
20,412In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 0.312 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW .312
Datasheet
62,724In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 0.312 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW W/HWD.312
Datasheet
21,966In Stock
16,200Expected 2026-07-06
Min.: 1
Mult.: 1

Kits Hex Jackscrew 4-40 0.312 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners SEMS JACK SCREW
Datasheet
35,348In Stock
Min.: 1
Mult.: 1

Screws Jackscrew 4-40 0.285 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners .347 JACK SCREW
Datasheet
17,315In Stock
Min.: 1
Mult.: 1

Screws Jackscrew 4-40 0.347 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW
Datasheet
6,880In Stock
3,800Expected 2026-07-06
Min.: 1
Mult.: 1

Screws Jackscrew 4-40 4.75 mm Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW KIT
Datasheet
9,155In Stock
Min.: 1
Mult.: 1

Kits Jackscrew 4-40 12.7 mm Steel Zinc Hex
Keystone Electronics Screws & Fasteners .250 Jack Screw Stainless
Datasheet
6,464In Stock
5,000Expected 2026-08-17
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 4.75 mm Stainless Steel Hex
Keystone Electronics Screws & Fasteners JACK SCREW STNLESS STEEL .312
Datasheet
8,456In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 12.7 mm Stainless Steel Hex
Keystone Electronics Screws & Fasteners Hex Jack Screw 0.625 w/hdwr SS 4-40
Datasheet
2,874In Stock
Min.: 1
Mult.: 1

Jack Screw Kit Hex Jack Screw 4-40 15.8 mm Stainless Steel Hex
Keystone Electronics Screws & Fasteners JACK SCREW WITH NYL PATCH STAINLESS
Datasheet
17,128In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 6.4 mm Nylon, Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW WITH NYL PATCH STAINLESS
Datasheet
13,491In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 11.2 mm Stainless Steel Hex
Keystone Electronics Screws & Fasteners JACK SCREW W/HWD.312
Datasheet
24,764In Stock
Min.: 1
Mult.: 1

Kits Hex Jackscrew 4-40 0.312 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW .625
Datasheet
4,773In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 0.625 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners Jack Screw .187 w/hdwr Steel 4-40
Datasheet
174In Stock
Min.: 1
Mult.: 1

Screws Jackscrew 4-40 Zinc, Yellow Chromate Hex
Keystone Electronics Screws & Fasteners JK SCR .250" W/HRDWR
Datasheet
1,880In Stock
Min.: 1
Mult.: 1

Kits Hex Jackscrew 4-40 0.25 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW .625
Datasheet
1,097In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 0.625 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW W/HWD.625
Datasheet
105In Stock
500Expected 2026-06-29
Min.: 1
Mult.: 1

Kits Hex Jackscrew 4-40 0.625 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW W/HWD.625
Datasheet
1,271In Stock
5,000Expected 2026-06-22
Min.: 1
Mult.: 1

Kits Hex Jackscrew 4-40 0.625 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW KIT 4-40
Datasheet
2,335In Stock
Min.: 1
Mult.: 1

Kits Jackscrew 4-40 0.285 in Steel Zinc Hex