Recent News


January 22, 2021

Volume 9 | January 2021
Innovative Keystone Product Spotlights
Low Profile 20700 & 21700 Lithium-Ion Battery Holders
New series of low profile, SMT and THM Lithium-Ion holders for 20700 & 21700 batteries to meet increased demands for higher energy, light weight, rechargeable batteries for new generations of electronic products.
Ruggedly built and durable, these compact holders feature low profile, heat resistant UL 94 V-0 Rated Nylon housings with Stainless Steel contacts that are Tin-Nickel Plated. Holders are ideally suited for use in high energy portable medical devices, smokeless vaporizers, consumer and industrial electronic products. Versatile design accommodates lead free solder and traditional reflow processes. Will accept all major manufacturers’ of 20700 or 21700 batteries. 
THM Holders
Cat. # 1121 - For Single Cell Applications
Cat. # 1123 - For Dual Cell Applications
SMT Holders
Cat. # 1122 - For Single Cell Applications
Cat. # 1124 - For Dual Cell Applications
Jack Screws / D-Sub Connector Hardware
Keystone offers a broad assortment of Steel and Stainless Steel Jack Screws primarily used to secure D-Subminiature connectors in computer cables and other electronic equipment.
Standard hex head designs are manufactured with a 4-40 thread and available with a Clear or Yellow Chromate Finish (Steel Versions)  
Supplied in bulk or as a kit with flat washers, lockwashers and hex nuts. Ideal for use in OEM or replacement hardware applications
Other Jack Screw styles available include:
Sems Jack Screws - Feature captivated helical spring lockwashers that speed and simplify use.
Knurled Turnable Jack Screws - Direct access, straight knurl and slim line configurations.
Slotted Jack Screws - Slot Provides ability to install jack with a screwdriver
Jack Screws with Nylon Patch - Ideal for high vibration applications 
Recent Newsletters
Latest Blog Posts
Latest Products