Keystone螺丝Jack Screws：
For "D" Subminiature Connectors
Jack Screws
These Jack Screws are used as mounting screws for "D" subminiature connectors. They are equivalent to AMP, CANNON & TRW Jack Screws.
Standard Jack Screws are available with a 4-40 Thread, in lengths of .250 (6.35), .312 (7.92), and .625 (15.88). Other sizes available upon request. Manufactured in Steel with either Clear Zinc Finish and Yellow Chromate Finish or in Stainless Steel. They are furnished individually, in bulk, or as a kit with (2) flat washers, (1) lockwasher, and (1) hex nut, supplied unassembled.
"Sems" Jack Screws
They are available in lengths of .285 (7.24), .347 (8.81) and .660 (16.76). Other sizes available upon request.
These "Sems" Screws are manufactured from Steel with Zinc plate and Clear Chromate finish. They feature captivated helical spring lockwashers that speed and simplify use. They are furnished individually, in bulk or as a kit with (2) flat washers (1) lock washer and (1) hex nut, supplied unassembled.
Other styles of Jack Screws include:
Slotted Head in bulk or as a kit with (2) flat washers, (1) lockwasher, and (1) hex nut, supplied unassembled.
Jack Screw with Nylon Patch are ideal for applications that require thread locking.
Knurled Turnable types in direct access, straight knurl and slim line configurations
Availability is from stock through Keystone's Global Distributor Network. Application engineering services are available to meet special customer requirements.
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