.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 (CLP) 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
$809
$619
$505
$457
Min.: 1
Mult.: 1
Screws Hex Jackscrew Nylon, Steel
Keystone Electronics Screws & Fasteners Jack Screw .187 Yellow 4-40 392In Stock
$661
$531
$484
$395
Min.: 1
Mult.: 1
Screws Jackscrew 4-40 Steel Zinc, Yellow Chromate Hex
Keystone Electronics Screws & Fasteners JCK POST .25" 55.816In Stock
$467
$401
$357
$289
Min.: 1
Mult.: 1
Screws Hex Jackscrew 4-40 0.25 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW 26.375In Stock
$467
$433
$352
$298
Min.: 1
Mult.: 1
Screws Hex Jackscrew 4-40 0.25 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW .312 85.984In Stock
$342
$288
$263
$215
Min.: 1
Mult.: 1
Screws Hex Jackscrew 4-40 0.312 in Steel Zinc Hex


Keystone Electronics Screws & Fasteners JACK SCREW W/HWD.312 49.843In Stock
$478
$441
$360
$309
Min.: 1
Mult.: 1
Kits Hex Jackscrew 4-40 0.312 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW W/HWD.312 37.026In Stock
$490
$450
$368
$314
Min.: 1
Mult.: 1
Kits Hex Jackscrew 4-40 0.312 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW .625 3.756In Stock
6.150Expected 11/27/2026
$1.356
$1.071
$1.016
$910
Min.: 1
Mult.: 1
Screws Hex Jackscrew 4-40 0.625 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW W/HWD.625 2.905In Stock
$1.549
$1.208
$1.033
$1.012
Min.: 1
Mult.: 1
Kits Hex Jackscrew 4-40 0.625 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners .347 JACK SCREW 14.798In Stock
$467
$362
$324
$288
Min.: 1
Mult.: 1
Screws Jackscrew 4-40 0.347 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW 9.165In Stock
$649
$493
$442
$374
Min.: 1
Mult.: 1
Screws Jackscrew 4-40 4.75 mm Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW KIT 9.594In Stock
$797
$610
$550
$467
Min.: 1
Mult.: 1
Kits Jackscrew 4-40 12.7 mm Steel Zinc Hex
Keystone Electronics Screws & Fasteners .250 Jack Screw Stainless 6.937In Stock
7.600Expected 11/9/2026
$854
$758
$719
$644
Min.: 1
Mult.: 1
Screws Hex Jackscrew 4-40 4.75 mm Stainless Steel Hex
Keystone Electronics Screws & Fasteners JACK SCREW STNLESS STEEL .312 10.687In Stock
$900
$767
$727
$651
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 3.344In Stock
$3.087
$2.358
$2.153
$1.903
Min.: 1
Mult.: 1
Jackscrews Hex Jack Screw 4-40 15.8 mm Stainless Steel Hex
Keystone Electronics Screws & Fasteners JACK SCREW WITH NYL PATCH STAINLESS 21.258In Stock
20.700Expected 11/23/2026
$570
$437
$392
$332
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 11/16/2026
$1.413
$1.079
$992
$972
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
$615
$466
$417
$353
Min.: 1
Mult.: 1
Screws Hex Jackscrew 4-40 13 mm Nylon, Steel Zinc
Keystone Electronics Screws & Fasteners SEMS JACK SCREW 8.311In Stock
72.600On Order
$535
$471
$428
$351
Min.: 1
Mult.: 1
Screws Jackscrew 4-40 0.285 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW KIT STAINLESS 3.277In Stock
$2.233
$1.720
$1.549
$1.322
Min.: 1
Mult.: 1
Kits Jackscrew Steel
Keystone Electronics Screws & Fasteners JK SCR .250" W/HRDWR 5.076In Stock
$706
$543
$515
$461
Min.: 1
Mult.: 1
Kits Hex Jackscrew 4-40 0.25 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JK SCREW .25" W/HDWR 4.337In Stock
$729
$620
$531
$475
Min.: 1
Mult.: 1
Kits Hex Jackscrew 4-40 0.25 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW .312 10.188In Stock
25.000Expected 11/23/2026
$433
$357
$328
$267
Min.: 1
Mult.: 1
Screws Hex Jackscrew 4-40 0.312 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW .625 101In Stock
$1.356
$1.072
$1.017
$910
Min.: 1
Mult.: 1
Screws Hex Jackscrew 4-40 0.625 in Steel Zinc Hex
Keystone Electronics Screws & Fasteners JACK SCREW W/HWD.625 2.098In Stock
50On Order
$1.504
$1.139
$1.052
$1.042
Min.: 1
Mult.: 1
Kits Hex Jackscrew 4-40 0.625 in Steel Zinc Hex