.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
Select Image Part # Mfr. Description Datasheet Availability Pricing (GBP) 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 8,063In Stock
£0.608
£0.464
£0.379
£0.343
Min.: 1
Mult.: 1
Screws Hex Jackscrew Nylon, Steel
Keystone Electronics Screws & Fasteners Jack Screw .187 Yellow 4-40 392In Stock
£0.496
£0.399
£0.364
£0.297
Min.: 1
Mult.: 1
Screws Jackscrew 4-40 Steel Zinc, Yellow Chromate Hex
Keystone Electronics Screws & Fasteners JCK POST .25" 53,976In Stock
£0.351
£0.301
£0.268
£0.217
Min.: 1
Mult.: 1
Screws Hex Jackscrew 4-40 0.25 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW 29,396In Stock
£0.308
£0.283
£0.23
£0.195
Min.: 1
Mult.: 1
Screws Hex Jackscrew 4-40 0.25 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW .312 27,083In Stock
£0.325
£0.268
£0.246
£0.20
Min.: 1
Mult.: 1
Screws Hex Jackscrew 4-40 0.312 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW .312 87,609In Stock
£0.257
£0.217
£0.197
£0.162
Min.: 1
Mult.: 1
Screws Hex Jackscrew 4-40 0.312 in Steel Zinc Hex


Keystone Electronics Screws & Fasteners JACK SCREW W/HWD.312 51,467In Stock
£0.36
£0.331
£0.271
£0.232
Min.: 1
Mult.: 1
Kits Hex Jackscrew 4-40 0.312 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW W/HWD.312 34,401In Stock
£0.368
£0.338
£0.277
£0.236
Min.: 1
Mult.: 1
Kits Hex Jackscrew 4-40 0.312 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW .625 6,299In Stock
£1.02
£0.804
£0.763
£0.684
Min.: 1
Mult.: 1
Screws Hex Jackscrew 4-40 0.625 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners .347 JACK SCREW 14,798In Stock
£0.351
£0.272
£0.243
£0.217
Min.: 1
Mult.: 1
Screws Jackscrew 4-40 0.347 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW 15,165In Stock
£0.488
£0.37
£0.332
£0.28
Min.: 1
Mult.: 1
Screws Jackscrew 4-40 4.75 mm Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW KIT 9,899In Stock
£0.599
£0.457
£0.413
£0.351
Min.: 1
Mult.: 1
Kits Jackscrew 4-40 12.7 mm Steel Zinc Hex
Keystone Electronics Screws & Fasteners .250 Jack Screw Stainless 7,437In Stock
7,600Expected 02/11/2026
£0.642
£0.569
£0.54
£0.484
Min.: 1
Mult.: 1
Screws Hex Jackscrew 4-40 4.75 mm Stainless Steel Hex
Keystone Electronics Screws & Fasteners JACK SCREW STNLESS STEEL .312 13,187In Stock
£0.676
£0.576
£0.546
£0.489
Min.: 1
Mult.: 1
Screws Hex Jackscrew 4-40 12.7 mm Stainless Steel Hex
Keystone Electronics Screws & Fasteners JACK SCREW KIT STAINLESS 3,277In Stock
£1.68
£1.29
£1.16
£0.995
Min.: 1
Mult.: 1
Kits Jackscrew Steel
Keystone Electronics Screws & Fasteners JACK SCREW WITH NYL PATCH STAINLESS 22,060In Stock
£0.428
£0.328
£0.294
£0.249
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 14,695In Stock
1,850Expected 17/11/2026
£1.07
£0.81
£0.746
£0.73
Min.: 1
Mult.: 1
Screws Hex Jackscrew 4-40 11.2 mm Stainless Steel Hex
Keystone Electronics Screws & Fasteners JACK SCREW WITH NYL PATCH STEEL 13,227In Stock
£0.462
£0.35
£0.313
£0.265
Min.: 1
Mult.: 1
Screws Hex Jackscrew 4-40 13 mm Nylon, Steel Zinc
Keystone Electronics Screws & Fasteners JACK SCREW WITH NYL PATCH STAINLESS 2,431In Stock
£2.01
£1.55
£1.44
£1.32
Min.: 1
Mult.: 1
Screws Hex Jackscrew 4-40 9.5 mm Nylon
Keystone Electronics Screws & Fasteners Jack Screw .187 w/hdwr Steel 4-40 174In Stock
£0.59
£0.45
£0.426
£0.393
Min.: 1
Mult.: 1
Screws Jackscrew 4-40 Zinc, Yellow Chromate Hex
Keystone Electronics Screws & Fasteners JK SCR .250" W/HRDWR 5,150In Stock
£0.531
£0.408
£0.387
£0.347
Min.: 1
Mult.: 1
Kits Hex Jackscrew 4-40 0.25 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JK SCREW .25" W/HDWR 4,442In Stock
£0.547
£0.465
£0.399
£0.357
Min.: 1
Mult.: 1
Kits Hex Jackscrew 4-40 0.25 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW W/HWD.625 2,098In Stock
50On Order
£1.13
£0.856
£0.79
£0.783
Min.: 1
Mult.: 1
Kits Hex Jackscrew 4-40 0.625 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW KIT 4-40 1,185In Stock
£0.616
£0.471
£0.448
£0.423
Min.: 1
Mult.: 1
Kits Jackscrew 4-40 0.285 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW KIT 485In Stock
£0.547
£0.419
£0.398
£0.356
Min.: 1
Mult.: 1
Kits Jackscrew