.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 (EUR) 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 SLOTTED
Datasheet
1 108In Stock
Min.: 1
Mult.: 1

Kits Slotted Jackscrew 4-40 12.7 mm
Keystone Electronics Screws & Fasteners Jack Screw .187 Yellow 4-40
Datasheet
560In Stock
Min.: 1
Mult.: 1

Screws Jackscrew 4-40 Steel Zinc, Yellow Chromate Hex
Keystone Electronics Screws & Fasteners JCK POST .25"
Datasheet
22 486In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 0.25 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW
Datasheet
21 713In Stock
24 555Expected 06/04/2026
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 0.25 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW .312
Datasheet
27 345In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 0.312 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW .312
Datasheet
28 833In Stock
49 360Expected 30/03/2026
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
11 997In Stock
11 000Expected 30/03/2026
Min.: 1
Mult.: 1

Kits Hex Jackscrew 4-40 0.312 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW .625
Datasheet
6 273In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 0.625 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners SEMS JACK SCREW
Datasheet
30 364In Stock
Min.: 1
Mult.: 1

Screws Jackscrew 4-40 0.285 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners .250 Jack Screw Stainless
Datasheet
5 052In Stock
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
15 144In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 12.7 mm Stainless Steel Hex
Keystone Electronics Screws & Fasteners JACK SCREW KIT STAINLESS
Datasheet
1 505In Stock
Min.: 1
Mult.: 1

Kits Jackscrew 4-40 12.7 mm Stainless Steel Hex
Keystone Electronics Screws & Fasteners JACK SCREW WITH NYL PATCH STAINLESS
Datasheet
24 355In 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
12 511In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew 4-40 11.2 mm Stainless Steel Hex
Keystone Electronics Screws & Fasteners JACK SCREW WITH NYL PATCH STAINLESS
Datasheet
9 281In Stock
Min.: 1
Mult.: 1

Screws Hex Jackscrew Nylon, Steel
Keystone Electronics Screws & Fasteners JACK SCREW W/HWD.312
Datasheet
35 166In Stock
Min.: 1
Mult.: 1

Kits Hex Jackscrew 4-40 0.312 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 930In Stock
Min.: 1
Mult.: 1

Kits Hex Jackscrew 4-40 0.25 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JK SCREW .25" W/HDWR
Datasheet
1 899In 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
559In Stock
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 847In Stock
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 341In Stock
Min.: 1
Mult.: 1

Kits Jackscrew 4-40 0.285 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners .347 JACK SCREW
Datasheet
5 635In Stock
25 000Expected 30/03/2026
Min.: 1
Mult.: 1

Screws Jackscrew 4-40 0.347 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners .347 SEMS Jack w/hardware
Datasheet
690In Stock
Min.: 1
Mult.: 1

Kits Jackscrew 4-40 8.8 mm Steel Zinc Hex