AndyMark develops, manufactures, and distributes mechanical and electrical parts for the mobile and competitive robotics market, with a focus on robotics education. The AndyMark staff strives to support the FIRST Community and the robotics education market by developing and distributing important components to robot builders and for mobile robotics.
2.5 inch long thread rolling (thread forming) screw
The Hex Washer Head has a flat washer that extends beyond the sides, providing it with a greater bearing surface than a normal hex head fastener. The washer and the Hex Head are bonded together as one piece; this offers greater protection to the mating surface than a standard hex head. The increased bearing area decreases the likeliness of crushing mating surfaces. Trilobe, or Thread Rolling, screws have a blunt tapered point that requires a pre-drilled or punched hole; eliminates chips and permits replacement with standard screw. Zinc plating, retards the corrosion rate in a normal atmosphere.
Specifications:
Material: steel
Length: 2.5 inch
Thread size: 1/4-20
Type: Thread rolling screw, Trilobe
Weight: 0.03 pound
Finish: Zinc
Drive: Hex - unslotted, 3/8" wide across flats
Optimal hole size for thread forming: 0.23 inch diameter
This is a steel bolt, with 1/4-20 threads on one end and a bent shaft on the other. This fastener is used in the 2013 KOP Chassis Kit, as a mounting and belt tensioning device for mounting the Toughbox Mini.
This is a 0.5 in. Hex output shaft with a 57 Sport mounting. We suggest using our red tacky grease, am-2768. We encourage that the user powers the gearbox continuously for 30 minutes without grease to allow the gear teeth to wear in. While we do design with short run times in mind, this 'run in' period for smooth gearbox operation, is recommended. Once this is completed, thoroughly grease the gear teeth periodically to ensure smooth operation.